Bug#1053750: linux-image-6.1.0-13-amd64: "Hardware Error" during shutdown that is not a hardware problem

2023-10-10 Thread Laurent Bonnaud

Package: src:linux
Version: 6.1.55-1
Severity: normal


Dear Maintainer,

each time this system is rebooted, during shutdown, the kernel outputs the 
following error message.

The kernel thinks it encountered a "Hardware Error", but the error is most 
probably not a hardware error, because I also see it on another identical machine (Dell 
PowerEdge R540).

I have seen this error since this system has been upgraded to Debian 12 and 
with all Debian 6.1.x kernels.

Previously the system ran Debian 11 with 5.10.x kernels (and previously Debian 
10) and I never saw this error.

[...]
<30>[109240.369926] systemd-shutdown[1]: All filesystems, swaps, loop devices, 
MD devices and DM devices detached.
<2>[109240.369935] watchdog: watchdog0: watchdog did not stop!
<30>[109240.417270] systemd-shutdown[1]: Syncing filesystems and block devices.
<30>[109240.418636] systemd-shutdown[1]: Rebooting.
<6>[109240.418705] kvm: exiting hardware virtualization
<6>[109240.437954] megaraid_sas :17:00.0: megasas_disable_intr_fusion is 
called outbound_intr_mask:0x4009
<6>[109240.513486] ACPI: PM: Preparing to enter system sleep state S5
<0>[109244.971342] {1}[Hardware Error]: Hardware error from APEI Generic 
Hardware Error Source: 5
<0>[109244.971345] {1}[Hardware Error]: event severity: fatal
<0>[109244.971346] {1}[Hardware Error]:  Error 0, type: fatal
<0>[109244.971348] {1}[Hardware Error]:   section_type: PCIe error
<0>[109244.971349] {1}[Hardware Error]:   port_type: 0, PCIe end point
<0>[109244.971350] {1}[Hardware Error]:   version: 3.0
<0>[109244.971351] {1}[Hardware Error]:   command: 0x0002, status: 0x0010
<0>[109244.971352] {1}[Hardware Error]:   device_id: :01:00.1
<0>[109244.971354] {1}[Hardware Error]:   slot: 6
<0>[109244.971354] {1}[Hardware Error]:   secondary_bus: 0x00
<0>[109244.971355] {1}[Hardware Error]:   vendor_id: 0x8086, device_id: 0x1563
<0>[109244.971356] {1}[Hardware Error]:   class_code: 02
<0>[109244.971357] {1}[Hardware Error]:   aer_uncor_status: 0x0010, 
aer_uncor_mask: 0x00018000
<0>[109244.971358] {1}[Hardware Error]:   aer_uncor_severity: 0x000ef010
<0>[109244.971359] {1}[Hardware Error]:   TLP Header: 4001 010f 
90028090 
<0>[109244.971362] Kernel panic - not syncing: Fatal hardware error!
<4>[109244.971364] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.1.0-13-amd64 #1  
Debian 6.1.55-1
<4>[109244.971367] Hardware name: Dell Inc. PowerEdge R540/0PRWNC, BIOS 2.19.1 
06/12/2023
<4>[109244.971368] Call Trace:
<4>[109244.971370]  
<4>[109244.971372]  dump_stack_lvl+0x44/0x5c
<4>[109244.971379]  panic+0x118/0x2ed
<4>[109244.971386]  __ghes_panic.cold+0x21/0x21
<4>[109244.971391]  ghes_notify_nmi+0x1db/0x370
<4>[109244.971398]  nmi_handle+0x5a/0x120
<4>[109244.971403]  ? mwait_idle_with_hints.constprop.0+0x48/0x90
<4>[109244.971409]  default_do_nmi+0x69/0x170
<4>[109244.971411]  exc_nmi+0x13c/0x170
<4>[109244.971414]  end_repeat_nmi+0x16/0x67
<4>[109244.971419] RIP: 0010:mwait_idle_with_hints.constprop.0+0x48/0x90
<4>[109244.971423] Code: 48 89 d1 65 48 8b 04 25 c0 fb 01 00 0f 01 c8 48 8b 00 a8 08 
75 14 66 90 0f 00 2d df 09 b1 00 b9 01 00 00 00 48 89 f8 0f 01 c9 <65> 48 8b 04 25 c0 
fb 01 00 f0 80 60 02 df f0 83 44 24 fc 00 48 8b
<4>[109244.971425] RSP: 0018:92003e18 EFLAGS: 0046
<4>[109244.971427] RAX: 0020 RBX: c608bf234950 RCX: 
0001
<4>[109244.971429] RDX:  RSI: 9219ee00 RDI: 
0020
<4>[109244.971431] RBP: 0003 R08: 0002 R09: 
3a518aaa
<4>[109244.971432] R10: 0014 R11: 431a R12: 
9219ee00
<4>[109244.971433] R13: 9219ee00 R14: 0003 R15: 

<4>[109244.971438]  ? mwait_idle_with_hints.constprop.0+0x48/0x90
<4>[109244.971442]  ? mwait_idle_with_hints.constprop.0+0x48/0x90
<4>[109244.971445]  
<4>[109244.971445]  
<4>[109244.971446]  intel_idle_ibrs+0x7e/0x90
<4>[109244.971450]  cpuidle_enter_state+0x89/0x420
<4>[109244.971457]  cpuidle_enter+0x29/0x40
<4>[109244.971460]  do_idle+0x20c/0x2b0
<4>[109244.971466]  cpu_startup_entry+0x19/0x20
<4>[109244.971469]  rest_init+0xcb/0xd0
<4>[109244.971472]  arch_call_rest_init+0xa/0x14
<4>[109244.971478]  start_kernel+0x6fe/0x727
<4>[109244.971482]  secondary_startup_64_no_verify+0xe5/0xeb
<4>[109244.971490]  
<0>[109244.971504] Kernel Offset: 0xf60 from 0x8100 (relocation 
range: 0x8000-0xbfff)



-- Package-specific info:
** Version:
Linux version 6.1.0-13-amd64 (debian-kernel@lists.debian.org) (gcc-12 (Debian 
12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40) #1 SMP 
PREEMPT_DYNAMIC Debian 6.1.55-1 (2023-09-29)

** Command line:
BOOT_IMAGE=/boot/vmlinuz-6.1.0-13-amd64 
root=UUID=d4026c7c-61cc-435f-81c5-76194e22454e ro quiet net.ifnames=0

** Not tainted

** Kernel log:
Unable to read kernel log; any relevant messages should be attached

** Model information
sys_vendor: Dell Inc.
product_name: PowerEdge

Bug#1053750: linux-image-6.1.0-13-amd64: "Hardware Error" during shutdown that is not a hardware problem

2023-10-10 Thread Laurent Bonnaud

Hi again,

the error log in my previous message comes from this directory:

  /var/lib/systemd/pstore/7285820828300/

Each time the system reboots, a new directory is created, and 3 files are 
created in it.

For the sake of completeness, here are the 3 files.

Thanks,

--
Laurent.dmesg-erst-7285820828300607490:
Panic#1 Part2
<5>[1.135130] integrity: Loaded X.509 cert 'VMware, Inc.: VMware Secure 
Boot Signing: 04597f3e1ffb240bba0ff0f05d5eb05f3e15f6d7'
<6>[1.136689] ima: No TPM chip found, activating TPM-bypass!
<6>[1.136694] ima: Allocated hash algorithm: sha256
<6>[1.136721] ima: No architecture policies found
<6>[1.136760] evm: Initialising EVM extended attributes:
<6>[1.136762] evm: security.selinux
<6>[1.136766] evm: security.SMACK64 (disabled)
<6>[1.136769] evm: security.SMACK64EXEC (disabled)
<6>[1.136772] evm: security.SMACK64TRANSMUTE (disabled)
<6>[1.136775] evm: security.SMACK64MMAP (disabled)
<6>[1.136778] evm: security.apparmor
<6>[1.136781] evm: security.ima
<6>[1.136783] evm: security.capability
<6>[1.136786] evm: HMAC attrs: 0x1
<6>[1.244727] Freeing unused decrypted memory: 2036K
<6>[1.246191] Freeing unused kernel image (initmem) memory: 2772K
<6>[1.254388] Write protecting the kernel read-only data: 26624k
<6>[1.256215] Freeing unused kernel image (text/rodata gap) memory: 2040K
<6>[1.256858] Freeing unused kernel image (rodata/data gap) memory: 1108K
<6>[1.316031] x86/mm: Checked W+X mappings: passed, no W+X pages found.
<6>[1.316033] x86/mm: Checking user space page tables
<6>[1.362096] x86/mm: Checked W+X mappings: passed, no W+X pages found.
<6>[1.362100] Run /init as init process
<7>[1.362101]   with arguments:
<7>[1.362103] /init
<7>[1.362104]   with environment:
<7>[1.362105] HOME=/
<7>[1.362105] TERM=linux
<7>[1.362106] BOOT_IMAGE=/boot/vmlinuz-6.1.0-13-amd64
<5>[1.646867] lpc_ich :00:1f.0: I/O space for ACPI uninitialized
<4>[1.646872] lpc_ich :00:1f.0: No MFD cells added
<6>[1.650428] dca service started, version 1.12.1
<6>[1.650969] ACPI: bus type USB registered
<6>[1.652413] usbcore: registered new interface driver usbfs
<6>[1.652730] usbcore: registered new interface driver hub
<6>[1.653398] usbcore: registered new device driver usb
<5>[1.653422] SCSI subsystem initialized
<4>[1.663161] wmi_bus wmi_bus-PNP0C14:00: WQBC data block query control 
method not found
<6>[1.668407] megasas: 07.719.03.00-rc1
<6>[1.669160] i801_smbus :00:1f.4: SPD Write Disable is set
<6>[1.669200] i801_smbus :00:1f.4: SMBus using PCI interrupt
<6>[1.669238] pci :00:1f.1: [8086:a1a0] type 00 class 0x058000
<6>[1.669277] pci :00:1f.1: reg 0x10: [mem 0xfd00-0xfdff 64bit]
<6>[1.673812] pci :00:1f.1: Adding to iommu group 70
<6>[1.674001] pci :00:1f.1: Removing from iommu group 70
<7>[1.676560] libata version 3.00 loaded.
<7>[1.695181] megaraid_sas :17:00.0: BAR:0x1  BAR's 
base_addr(phys):0xab10  mapped virt_addr:0xd4ff0abc
<6>[1.695187] megaraid_sas :17:00.0: FW now in Ready state
<6>[1.695190] megaraid_sas :17:00.0: 63 bit DMA mask and 32 bit 
consistent mask
<6>[1.695835] megaraid_sas :17:00.0: firmware supports msix : (96)
<6>[1.696438] megaraid_sas :17:00.0: requested/available msix 11/11 
poll_queue 0
<6>[1.696540] megaraid_sas :17:00.0: current msix/online cpus   : 
(11/10)
<6>[1.696541] megaraid_sas :17:00.0: RDPQ mode  : (disabled)
<6>[1.696544] megaraid_sas :17:00.0: Current firmware supports maximum 
commands: 928 LDIO threshold: 0
<6>[1.701165] megaraid_sas :17:00.0: Performance mode :Latency (latency 
index = 1)
<6>[1.701167] megaraid_sas :17:00.0: FW supports sync cache : No
<6>[1.701170] megaraid_sas :17:00.0: megasas_disable_intr_fusion is 
called outbound_intr_mask:0x4009
<6>[1.706081] ixgbe: Intel(R) 10 Gigabit PCI Express Network Driver
<6>[1.706083] ixgbe: Copyright (c) 1999-2016 Intel Corporation.
<6>[1.707314] tg3 :04:00.0 eth0: Tigon3 [partno(BCM95720) rev 572] 
(PCI Express) MAC address d0:94:66:77:ea:61
<6>[1.707319] tg3 :04:00.0 eth0: attached PHY is 5720C 
(10/100/1000Base-T Ethernet) (WireSpeed[1], EEE[1])
<6>[1.707322] tg3 :04:00.0 eth0: RXcsums[1] LinkChgREG[0] MIirq[0] 
ASF[1] TSOcap[1]
<6>[1.707324] tg3 :04:00.0 eth0: dma_rwctrl[0001] dma_mask[64-bit]
<6>[1.707994] i2c i2c-0: 4/16 memory slots populated (from DMI)
<4>[1.707996] i2c i2c-0: Systems with more than 4 memory slots not 
supported yet, not instantiating SPD
<6>[1.719799] xhci_hcd :00:14.0: xHCI Host Controller
<6>[1.719806] xhci_hcd :00:14.0: new USB bus registered, assigned bus 
number 1
<6>[1.720945] xhci_hcd :00:14.0: hcc params 0x200077c1 hci version 
0x100 quirks 0x0

Bug#1034718: linux-image-6.1.0-7-amd64: error during shutdown

2023-04-22 Thread Laurent Bonnaud

Package: src:linux
Version: 6.1.20-2
Severity: normal


Dear Maintainer,

each time I shutdown this system (a Debian 11 system with the bookworm kernel), 
the Linux kernel outputs the following error message.

This error could have been unnoticed, but:
 - it triggers an alarm in the iDRAC controller
 - it is logged by systemd in /var/lib/systemd/pstore/

This error does not occur with Debian kernels from the 5.10 branch in bullseye.

Linux writes that this is a "harware error", but I see the exact same error on 
2 different physical servers.  Therefore it is very unlikely that the hardware is 
deffective.


<0>[  115.232774] {1}[Hardware Error]: Hardware error from APEI Generic 
Hardware Error Source: 5
<0>[  115.232776] {1}[Hardware Error]: event severity: fatal
<0>[  115.232778] {1}[Hardware Error]:  Error 0, type: fatal
<0>[  115.232779] {1}[Hardware Error]:   section_type: PCIe error
<0>[  115.232780] {1}[Hardware Error]:   port_type: 0, PCIe end point
<0>[  115.232781] {1}[Hardware Error]:   version: 3.0
<0>[  115.232782] {1}[Hardware Error]:   command: 0x0002, status: 0x0010
<0>[  115.232783] {1}[Hardware Error]:   device_id: :01:00.1
<0>[  115.232785] {1}[Hardware Error]:   slot: 6
<0>[  115.232785] {1}[Hardware Error]:   secondary_bus: 0x00
<0>[  115.232786] {1}[Hardware Error]:   vendor_id: 0x8086, device_id: 0x1563
<0>[  115.232787] {1}[Hardware Error]:   class_code: 02
<0>[  115.232788] {1}[Hardware Error]:   aer_uncor_status: 0x0010, 
aer_uncor_mask: 0x00018000
<0>[  115.232789] {1}[Hardware Error]:   aer_uncor_severity: 0x000ef010
<0>[  115.232790] {1}[Hardware Error]:   TLP Header: 4001 030f 90028090 

<0>[  115.232793] Kernel panic - not syncing: Fatal hardware error!
<4>[  115.232795] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.1.0-7-amd64 #1  
Debian 6.1.20-2
<4>[  115.232798] Hardware name: Dell Inc. PowerEdge R540/0PRWNC, BIOS 2.17.1 
11/17/2022
<4>[  115.232799] Call Trace:
<4>[  115.232801]  
<4>[  115.232804]  dump_stack_lvl+0x44/0x5c
<4>[  115.232812]  panic+0x118/0x2ed
<4>[  115.232820]  __ghes_panic.cold+0x21/0x21
<4>[  115.232826]  ghes_notify_nmi+0x1db/0x370
<4>[  115.232832]  nmi_handle+0x5a/0x120
<4>[  115.232836]  ? mwait_idle_with_hints.constprop.0+0x48/0x90
<4>[  115.232841]  default_do_nmi+0x69/0x170
<4>[  115.232844]  exc_nmi+0x13c/0x170
<4>[  115.232847]  end_repeat_nmi+0x16/0x67
<4>[  115.232850] RIP: 0010:mwait_idle_with_hints.constprop.0+0x48/0x90
<4>[  115.232853] Code: 48 89 d1 65 48 8b 04 25 c0 fb 01 00 0f 01 c8 48 8b 00 a8 08 
75 14 66 90 0f 00 2d 2f 50 b1 00 b9 01 00 00 00 48 89 f8 0f 01 c9 <65> 48 8b 04 25 c0 
fb 01 00 f0 80 60 02 df f0 83 44 24 fc 00 48 8b
<4>[  115.232855] RSP: 0018:ae803e18 EFLAGS: 0046
<4>[  115.232857] RAX: 0020 RBX: bf363f234950 RCX: 
0001
<4>[  115.232859] RDX:  RSI: ae99ea20 RDI: 
0020
<4>[  115.232860] RBP: 0003 R08: 0002 R09: 
3a518aaa
<4>[  115.232862] R10: 0018 R11: 8bf6 R12: 
ae99ea20
<4>[  115.232863] R13: ae99ea20 R14: 0003 R15: 

<4>[  115.232867]  ? mwait_idle_with_hints.constprop.0+0x48/0x90
<4>[  115.232871]  ? mwait_idle_with_hints.constprop.0+0x48/0x90
<4>[  115.232873]  
<4>[  115.232874]  
<4>[  115.232875]  intel_idle_ibrs+0x7e/0x90
<4>[  115.232879]  cpuidle_enter_state+0x89/0x420
<4>[  115.232883]  cpuidle_enter+0x29/0x40
<4>[  115.232885]  do_idle+0x20c/0x2b0
<4>[  115.232890]  cpu_startup_entry+0x19/0x20
<4>[  115.232893]  rest_init+0xcb/0xd0
<4>[  115.232897]  arch_call_rest_init+0xa/0x14
<4>[  115.232902]  start_kernel+0x6fe/0x727
<4>[  115.232905]  secondary_startup_64_no_verify+0xe5/0xeb
<4>[  115.232912]  
<0>[  115.232970] Kernel Offset: 0x2bc0 from 0x8100 (relocation 
range: 0x8000-0xbfff)


-- Package-specific info:
** Version:
Linux version 6.1.0-7-amd64 (debian-kernel@lists.debian.org) (gcc-12 (Debian 
12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40) #1 SMP 
PREEMPT_DYNAMIC Debian 6.1.20-2 (2023-04-08)

** Command line:
BOOT_IMAGE=/boot/vmlinuz-6.1.0-7-amd64 
root=UUID=d4026c7c-61cc-435f-81c5-76194e22454e ro quiet

** Not tainted

** Kernel log:
Unable to read kernel log; any relevant messages should be attached

** Model information
sys_vendor: Dell Inc.
product_name: PowerEdge R540
product_version:
chassis_vendor: Dell Inc.
chassis_version:
bios_vendor: Dell Inc.
bios_version: 2.17.1
board_vendor: Dell Inc.
board_name: 0PRWNC
board_version: A07

** Loaded modules:
intel_rapl_msr
intel_rapl_common
intel_uncore_frequency
intel_uncore_frequency_common
isst_if_common
skx_edac
nfit
libnvdimm
x86_pkg_temp_thermal
intel_powerclamp
coretemp
kvm_intel
nls_ascii
nls_cp437
vfat
fat
kvm
irqbypass
ghash_clmulni_intel
sha512_ssse3
sha512_generic
aesni_intel
ipmi_ssif
mgag200
crypto_simd
cryptd
rapl
intel_cstate
mei_me
sg
drm_shmem_helper
iTCO_wdt
dell_smbios
mei
intel_unc

Bug#1008681: linux-image-5.16.0-5-amd64: WARNING: CPU: 1 PID: 1061 at fs/nfsd/nfs4state.c:5891 nfs4_preprocess_stateid_op+0x600/0x690 [nfsd]

2022-12-05 Thread Laurent Bonnaud

On 12/5/22 17:34, Diederik de Haas wrote:


btw: What's the reason for not using a 5.10 kernel on a Stable system?
(Not that I mind, just curious)


Thanks for your interest :>.

I had a NFS problem with the 5.10 kernel and tested a more recent kernel to see 
if this problem had been fixed.

(For the sake of completeness, the problem was running rpc.svcgssd instead of 
gssproxy).


What's the current status wrt this issue?


Since then, I went back to using a 5.10 kernel, where this issue does not show 
up.

I will test again when Debian chooses the kernel branch that will be used for 
Debian 12...

Thanks again,

--
Laurent.



Bug#1008681: linux-image-5.16.0-5-amd64: WARNING: CPU: 1 PID: 1061 at fs/nfsd/nfs4state.c:5891 nfs4_preprocess_stateid_op+0x600/0x690 [nfsd]

2022-12-05 Thread Laurent Bonnaud

On 12/5/22 18:26, Diederik de Haas wrote:


Do you know what the faulty and fixed 5.10 version were/are?


The problem was not really in the kernel, but in rpc.svcgssd that has trouble 
with large Kerberos credentials.

The only problem with 5.10 kernels is that they only display warnings about 
hung rpc.svcgssd processes, instead of this warning message displayed by more 
recent kernels:

./net/sunrpc/auth_gss/svcauth_gss.c:  "RPCSEC/GSS credential too large - 
please use gssproxy\n");

Cheers,

--
Laurent.



Bug#1029138: linux-image-6.1.0-1-amd64: refcount_t: underflow; use-after-free in nfsd on a NFS server

2023-01-18 Thread Laurent Bonnaud

On 1/18/23 16:46, Salvatore Bonaccorso wrote:


Would it be possible to test 6.1.7, which contains related nfs changes
with the nfsd filecache?


Yes, of course, as soon as it is available as a Debian package...

Regards,

--
Laurent.



Bug#805652: linux: please activate CONFIG_CC_STACKPROTECTOR_STRONG

2015-11-20 Thread Laurent Bonnaud
Package: linux
Version: 4.2.6-1
Severity: normal

Hi,

current Linux kernels in Debian are compiled with CONFIG_CC_STACKPROTECTOR but 
not with CONFIG_CC_STACKPROTECTOR_STRONG:

$ grep STACKPROT /boot/config-4.2.0-1-amd64
CONFIG_HAVE_CC_STACKPROTECTOR=y
CONFIG_CC_STACKPROTECTOR=y
# CONFIG_CC_STACKPROTECTOR_NONE is not set
CONFIG_CC_STACKPROTECTOR_REGULAR=y
# CONFIG_CC_STACKPROTECTOR_STRONG is not set

Now that the kernel is compiled with gcc 4.9 (which is required for 
CONFIG_CC_STACKPROTECTOR_STRONG), could you please activate this option ?

-- 
Laurent.



Bug#756898: linux: please protect the kernel against stack attacks

2014-08-03 Thread Laurent Bonnaud
Package: linux
Version: 3.14.13-2
Severity: wishlist


Hi,

the Linux kernel in Debian is currently not protected against stack attacks:

$ grep STACKPROTECTOR /boot/config-3.14-2-amd64
CONFIG_HAVE_CC_STACKPROTECTOR=y
# CONFIG_CC_STACKPROTECTOR is not set
CONFIG_CC_STACKPROTECTOR_NONE=y
# CONFIG_CC_STACKPROTECTOR_REGULAR is not set
# CONFIG_CC_STACKPROTECTOR_STRONG is not set

Here is a good reference on the topic:

  https://lkml.org/lkml/2013/12/20/180

So could you please activate one of those options ?

CONFIG_CC_STACKPROTECTOR_REGULAR can be activated now with gcc 4.8.
CONFIG_CC_STACKPROTECTOR_STRONG can be activated once gcc 4.9 is used
the compile the kernel.

-- 
Laurent.


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Bug#756900: nfs-utils: new upstream versions available

2014-08-03 Thread Laurent Bonnaud
Package: nfs-utils
Version: 1:1.2.8-7
Severity: wishlist


Hi,

a lot of bugs have been fixed upstream, see:

https://www.kernel.org/pub/linux/utils/nfs-utils/1.2.9/1.2.9-Changelog
https://www.kernel.org/pub/linux/utils/nfs-utils/1.3.0/1.3.0-Changelog

So could you please update the nfs-utils package ?


-- 
Laurent.


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Bug#756904: linux: please enable CONFIG_DEBUG_STRICT_USER_COPY_CHECKS

2014-08-03 Thread Laurent Bonnaud
Package: linux
Version: 3.14.13-2
Severity: wishlist


Hi,

the Linux kernel in Debian does currently not use this option:

$ grep CONFIG_DEBUG_STRICT_USER_COPY_CHECKS /boot/config-3.14-*
/boot/config-3.14-2-686-pae:# CONFIG_DEBUG_STRICT_USER_COPY_CHECKS is
not set
/boot/config-3.14-2-amd64:# CONFIG_DEBUG_STRICT_USER_COPY_CHECKS is not set

It is only a compile time check, so it should not have any runtime
impact.  So could you please activate this option ?


-- 
Laurent.


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Bug#756906: nfs-utils: please use more hardening features

2014-08-03 Thread Laurent Bonnaud
Package: nfs-common
Version: 1:1.2.8-7
Severity: wishlist


Hi,

according to the checksec.sh script, binaries provided by nfs-utils 
are not compiled with all available hardening features:

RELRO   STACK CANARY  NXPIE RPATH  
RUNPATH  FILE
No RELRONo canary found   NX enabledNo PIE  No RPATH   No 
RUNPATH   /sbin/rpc.statd
Partial RELRO   No canary found   NX enabledNo PIE  No RPATH   No 
RUNPATH   /usr/sbin/rpc.gssd
No RELRONo canary found   NX enabledNo PIE  No RPATH   No 
RUNPATH   /usr/sbin/rpc.idmapd
Partial RELRO   No canary found   NX enabledNo PIE  No RPATH   No 
RUNPATH   /usr/sbin/rpc.svcgssd

Since those daemons are potentially exposed to untrusted network traffic, 
could you please compile the package with more hardening features ?


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Bug#756900: nfs-utils: new upstream versions available

2014-09-26 Thread Laurent Bonnaud
Hi,

a newer version is available with more fixes:

  https://www.kernel.org/pub/linux/utils/nfs-utils/1.3.1/1.3.1-Changelog

This is good news: you will be able to jump 3 versions ahead with just one 
package upload :>.

-- 
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Bug#616077: "AUTH_GSS upcall timed out" in export with kerberos

2013-07-01 Thread Laurent Bonnaud

Hi,

I also had this problem on a Debian squeeze server.  I upgraded this 
server to wheezy and the problem remains.  Did anyone make progress on 
debugging this ?


--
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http://www.iut2grenoble.com/


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Bug#995109: linux-image-5.14.0-1-amd64: kernel WARNING caused by samba nmbd (and related to Tomoyo)

2021-09-26 Thread Laurent Bonnaud

Hi,

since the backtrace contains functions from Tomoyo, I tried to disable Tomoyo 
with ccsecurity=off on the kernel command line but it does not help.

Any other suggestion ?

Thanks,

--
Laurent.



Bug#995109: linux-image-5.14.0-1-amd64: kernel WARNING caused by samba nmbd (and related to Tomoyo)

2021-09-28 Thread Laurent Bonnaud

On 27/09/2021 21.40, Salvatore Bonaccorso wrote:


I believe this is fixed by
https://salsa.debian.org/kernel-team/linux/-/commit/b7f5082c34ea43622ebd9cd42f5fdd7b5ed49761
pending for the next upload.


Thanks a lot for the quick fix!

--
Laurent.



Bug#995877: linux-image-5.14.0-2-amd64: "pagealloc: memory corruption" during SCSI initialization

2021-10-07 Thread Laurent Bonnaud


Package: src:linux
Version: 5.14.9-2
Severity: important


Dear Maintainer,

I boot this system with the page_poison=1 kernel option and during boot, and 
more precisely during SCSI initialization (for external USB disks), I get this 
scary error dump:

[3.350394] pagealloc: memory corruption
[3.350420] (ptrval): 00 00 00 04 00 80 83 b0
  
[3.350447] CPU: 0 PID: 161 Comm: kworker/u4:5 Not tainted 5.14.0-2-amd64 #1 
 Debian 5.14.9-2
[3.350450] Hardware name: Dell Inc. OptiPlex 7010/0KRC95, BIOS A29 
06/28/2018
[3.350451] Workqueue: events_unbound async_run_entry_fn
[3.350457] Call Trace:
[3.350461]  dump_stack_lvl+0x46/0x5a
[3.350465]  __kernel_unpoison_pages.cold+0x49/0x85
[3.350470]  get_page_from_freelist+0xc61/0xe50
[3.350474]  ? chacha_block_generic+0x6f/0xb0
[3.350476]  __alloc_pages+0x178/0x310
[3.350479]  allocate_slab+0x87/0x490
[3.350482]  ___slab_alloc+0x3eb/0x570
[3.350485]  ? scsi_mq_init_request+0x2e/0xe0 [scsi_mod]
[3.350497]  ? scsi_mq_init_request+0x2e/0xe0 [scsi_mod]
[3.350505]  __slab_alloc+0x1c/0x40
[3.350507]  kmem_cache_alloc_node+0x39c/0x3e0
[3.350510]  scsi_mq_init_request+0x2e/0xe0 [scsi_mod]
[3.350518]  blk_mq_alloc_rqs+0x20e/0x2a0
[3.350522]  blk_mq_init_sched+0xa9/0x350
[3.350524]  elevator_init_mq+0x125/0x160
[3.350527]  __device_add_disk+0x19e/0x2f0
[3.350530]  sd_probe+0x2f0/0x4a0 [sd_mod]
[3.350533]  really_probe+0x1f5/0x3f0
[3.350537]  __driver_probe_device+0xfe/0x180
[3.350539]  driver_probe_device+0x1e/0x90
[3.350541]  __device_attach_driver+0x72/0xe0
[3.350543]  ? driver_allows_async_probing+0x50/0x50
[3.350545]  ? driver_allows_async_probing+0x50/0x50
[3.350547]  bus_for_each_drv+0x7e/0xc0
[3.350549]  __device_attach_async_helper+0x9f/0xe0
[3.350551]  async_run_entry_fn+0x30/0x130
[3.350554]  process_one_work+0x1ec/0x390
[3.350556]  worker_thread+0x53/0x3e0
[3.350558]  ? process_one_work+0x390/0x390
[3.350559]  kthread+0x127/0x150
[3.350562]  ? set_kthread_struct+0x40/0x40
[3.350565]  ret_from_fork+0x22/0x30
[3.350572] page:(ptrval) refcount:1 mapcount:0 
mapping: index:0x0 pfn:0x1165a0
[3.350574] flags: 0x17c000(node=0|zone=2|lastcpupid=0x1f)
[3.350577] raw: 0017c000 dead0100 dead0122 

[3.350579] raw:   0001 

[3.350579] page dumped because: pagealloc: corrupted page details

Note that this error does not always occur.  Sometimes the machine boots with 
no error message.

I also attached a full dmesg output.

Thanks !


-- Package-specific info:
** Version:
Linux version 5.14.0-2-amd64 (debian-kernel@lists.debian.org) (gcc-10 (Debian 
10.3.0-11) 10.3.0, GNU ld (GNU Binutils for Debian) 2.37) #1 SMP Debian 
5.14.9-2 (2021-10-03)

** Command line:
BOOT_IMAGE=/boot/vmlinuz-5.14.0-2-amd64 
root=UUID=c27a1c2e-4689-49ec-ab55-bba0dae046dc ro vsyscall=none 
security=apparmor page_poison=1 quiet

** Tainted: S (4)
 * SMP kernel oops on an officially SMP incapable processor

** Kernel log:
Unable to read kernel log; any relevant messages should be attached

** Model information
sys_vendor: Dell Inc.
product_name: OptiPlex 7010
product_version: 01
chassis_vendor: Dell Inc.
chassis_version:
bios_vendor: Dell Inc.
bios_version: A29
board_vendor: Dell Inc.
board_name: 0KRC95
board_version: A02

** Loaded modules:
crypto_simd
xts
cts
ecb
tun
mei_hdcp
mei_wdt
cpufreq_conservative
cpufreq_userspace
cpufreq_ondemand
cpufreq_powersave
intel_rapl_msr
intel_rapl_common
x86_pkg_temp_thermal
intel_powerclamp
coretemp
snd_hda_codec_hdmi
kvm_intel
snd_hda_codec_realtek
snd_hda_codec_generic
kvm
ledtrig_audio
rfkill
snd_hda_intel
snd_intel_dspcfg
snd_intel_sdw_acpi
snd_hda_codec
irqbypass
rapl
snd_hda_core
intel_cstate
snd_hwdep
intel_uncore
dell_wmi
snd_pcm_oss
sparse_keymap
serio_raw
pcspkr
snd_mixer_oss
dell_smbios
dcdbas
dell_wmi_descriptor
iTCO_wdt
snd_pcm
intel_pmc_bxt
at24
wmi_bmof
sg
iTCO_vendor_support
snd_timer
watchdog
snd
mei_me
soundcore
mei
evdev
msr
drbd
lru_cache
i2c_dev
binfmt_misc
squashfs
loop
dm_crypt
fuse
configfs
ip_tables
x_tables
autofs4
ext4
crc16
mbcache
jbd2
hid_generic
usbhid
hid
btrfs
blake2b_generic
zstd_compress
uas
usb_storage
raid10
raid456
async_raid6_recov
async_memcpy
async_pq
async_xor
async_tx
xor
raid6_pq
libcrc32c
crc32c_generic
raid1
raid0
multipath
linear
md_mod
dm_mirror
dm_region_hash
dm_log
dm_mod
sd_mod
t10_pi
crc_t10dif
crct10dif_generic
i915
crct10dif_pclmul
crct10dif_common
crc32_pclmul
crc32c_intel
ahci
libahci
libata
i2c_algo_bit
ttm
drm_kms_helper
cec
ghash_clmulni_intel
xhci_pci
rc_core
cryptd
xhci_hcd
psmouse
i2c_i801
i2c_smbus
scsi_mod
lpc_ich
ehci_pci
drm
ehci_hcd
e1000e
usbcore
usb_common
ptp
pps_core
wmi
video
button

** PCI devices:
00:00.0 Host bridge [0600]: Intel Corporation Xeon E3-1200 v2

Bug#619838: Please enable CONFIG_DEBUG_SET_MODULE_RONX

2011-03-27 Thread Laurent Bonnaud
Package: linux-2.6
Version: 2.6.38-1
Severity: wishlist


Hi,

the CONFIG_DEBUG_RODATA option is enabled in Debian kernels:

$ grep RODATA /boot/config-2.6.38-1-686 
CONFIG_DEBUG_RODATA=y

which is great.  However, the CONFIG_DEBUG_SET_MODULE_RONX option is
not:

$ grep RONX /boot/config-2.6.38-1-686 
# CONFIG_DEBUG_SET_MODULE_RONX is not set

According to this article:

  http://lwn.net/Articles/422487/

this option would improve the security of the kernel.


-- 
Laurent Bonnaud 




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Bug#628558: Plaease enable

2011-05-30 Thread Laurent Bonnaud
Package: linux-2.6
Version: 2.6.39-1
Severity: wishlist


Hi,

in this documentation file:

  
/usr/share/doc/linux-doc-2.6.39/Documentation/filesystems/caching/fscache.txt.gz

the kernel options

CONFIG_FSCACHE_STATS=y
CONFIG_FSCACHE_HISTOGRAM=y

are suggested to check the efficiency of fscache.  However only the
first one is enabled:

$ grep CONFIG_FSCACHE /boot/config-2.6.39-1-686-pae 
CONFIG_FSCACHE=m
CONFIG_FSCACHE_STATS=y
# CONFIG_FSCACHE_HISTOGRAM is not set
# CONFIG_FSCACHE_DEBUG is not set
# CONFIG_FSCACHE_OBJECT_LIST is not set

So could you please enable CONFIG_FSCACHE_HISTOGRAM ?

-- 
Laurent Bonnaud.
http://www.gipsa-lab.inpg.fr/page_pro.php?vid=96





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Bug#324595: linux-image-2.6.12-1-amd64-k8: GPF in kswapd on AMD64

2005-08-22 Thread Laurent . Bonnaud
Package: kernel
Version: 2.6.12-5
Severity: important


Hi,

I was installing a package with dpkg when the kernel had a GPF.  dpkg
was then stuck and I had to reboot the system.  This is with the
Debian provided linux-image:

$ uname -a
Linux jophur 2.6.12-1-amd64-k8 #1 Thu Aug 18 03:05:27 CEST 2005 x86_64 GNU/Linux

Aug 22 20:27:45 localhost kernel: general protection fault:  [1]
Aug 22 20:27:45 localhost kernel: CPU 0
Aug 22 20:27:45 localhost kernel: Modules linked in: nls_cp437 isofs udf lp 
binfmt_misc thermal fan button ac battery ip_tables af_packet tsdev parp
ort_pc parport floppy pcspkr psmouse ehci_hcd evdev usbhid uhci_hcd bt878 
snd_bt87x eth1394 tuner tvaudio msp3400 bttv video_buf firmware_class i2c_
algo_bit v4l2_common btcx_risc tveeprom videodev snd_ice1724 snd_ice17xx_ak4xxx 
snd_ac97_codec snd_ak4114 snd_pcm_oss snd_mixer_oss snd_pcm snd_time
r snd_page_alloc snd_ak4xxx_adda snd_mpu401_uart snd_rawmidi snd_seq_device snd 
soundcore ohci1394 shpchp pci_hotplug dm_mod sbp2 ieee1394 ide_gener
ic ide_disk ide_cd rtc via82cxxx ide_core w83627hf i2c_sensor i2c_isa i2c_core 
cpufreq_userspace powernow_k8 freq_table processor md5 ipv6 sk98lin e
xt3 jbd mbcache sr_mod cdrom sd_mod sata_via sata_promise libata scsi_mod unix 
fbcon tileblit font bitblit vesafb cfbcopyarea cfbimgblt cfbfillrect
softcursor raid1 md
Aug 22 20:27:45 localhost kernel: Pid: 145, comm: kswapd0 Not tainted 
2.6.12-1-amd64-k8
Aug 22 20:27:45 localhost kernel: RIP: 0010:[iput+24/144] 
{iput+24}
Aug 22 20:27:45 localhost kernel: RSP: 0018:81003faa1dc8  EFLAGS: 00010283
Aug 22 20:27:45 localhost kernel: RAX: 26a7d0001410 RBX: 81002244c100 
RCX: 81002244c130
Aug 22 20:27:45 localhost kernel: RDX: 81002244c130 RSI: 81002244c100 
RDI: 81002244c100
Aug 22 20:27:45 localhost kernel: RBP: 81003b59b560 R08: fffa 
R09: 81003faa1ac0
Aug 22 20:27:45 localhost kernel: R10: 0002 R11: 8018a870 
R12: 0056
Aug 22 20:27:45 localhost kernel: R13: 0080 R14: 0080 
R15: 000368ae
Aug 22 20:27:45 localhost kernel: FS:  2abddad0() 
GS:80417b00() knlGS:555a7fc0
Aug 22 20:27:45 localhost kernel: CS:  0010 DS: 0018 ES: 0018 CR0: 
8005003b
Aug 22 20:27:45 localhost kernel: CR2: 0059b000 CR3: 11c2 
CR4: 06e0
Aug 22 20:27:45 localhost kernel: Process kswapd0 (pid: 145, threadinfo 
81003faa, task 81003fa5c760)
Aug 22 20:27:45 localhost kernel: Stack: 810022449a70 8018877b 
81003faa1dd8 008d
Aug 22 20:27:45 localhost kernel:81003ffa9480 00d0 
000368af 801887c7
Aug 22 20:27:45 localhost kernel:0202 8015c9c1
Aug 22 20:27:45 localhost kernel: Call 
Trace:{prune_dcache+331} 
{shrink_dcache_memory+23}
Aug 22 20:27:45 localhost kernel:{shrink_slab+193} 
{balance_pgdat+623}
Aug 22 20:27:45 localhost kernel:{kswapd+295} 
{autoremove_wake_function+0}
Aug 22 20:27:45 localhost kernel:{child_rip+8} 
{kswapd+0}
Aug 22 20:27:45 localhost kernel:{child_rip+0}
Aug 22 20:27:45 localhost kernel:
Aug 22 20:27:45 localhost kernel: Code: 48 8b 40 40 75 12 0f 0b ba 0d 2e 80 ff 
ff ff ff 46 04 66 66
Aug 22 20:27:45 localhost kernel: RIP {iput+24} RSP 


and a few seconds later:

Aug 22 20:28:50 localhost kernel:  <0>general protection fault:  [2]
Aug 22 20:28:50 localhost kernel: CPU 0
Aug 22 20:28:50 localhost kernel: Modules linked in: nls_cp437 isofs udf lp 
binfmt_misc thermal fan button ac battery ip_tables af_packet tsdev parp
ort_pc parport floppy pcspkr psmouse ehci_hcd evdev usbhid uhci_hcd bt878 
snd_bt87x eth1394 tuner tvaudio msp3400 bttv video_buf firmware_class i2c_
algo_bit v4l2_common btcx_risc tveeprom videodev snd_ice1724 snd_ice17xx_ak4xxx 
snd_ac97_codec snd_ak4114 snd_pcm_oss snd_mixer_oss snd_pcm snd_time
r snd_page_alloc snd_ak4xxx_adda snd_mpu401_uart snd_rawmidi snd_seq_device snd 
soundcore ohci1394 shpchp pci_hotplug dm_mod sbp2 ieee1394 ide_gener
ic ide_disk ide_cd rtc via82cxxx ide_core w83627hf i2c_sensor i2c_isa i2c_core 
cpufreq_userspace powernow_k8 freq_table processor md5 ipv6 sk98lin e
xt3 jbd mbcache sr_mod cdrom sd_mod sata_via sata_promise libata scsi_mod unix 
fbcon tileblit font bitblit vesafb cfbcopyarea cfbimgblt cfbfillrect
softcursor raid1 md
Aug 22 20:28:50 localhost kernel: Pid: 22956, comm: dpkg-query Not tainted 
2.6.12-1-amd64-k8
Aug 22 20:28:50 localhost kernel: RIP: 0010:[find_inode_fast+60/96] 
{find_inode_fast+60}
Aug 22 20:28:50 localhost kernel: RSP: 0018:810023c51c68  EFLAGS: 00010202
Aug 22 20:28:50 localhost kernel: RAX: 26a9b0001410 RBX: 01aed2b2 
RCX: 0011
Aug 22 20:28:50 localhost kernel: RDX: 26a9b0001410 RSI: 81000208e7a8 
RDI: 81003f27d800
Aug 22 20:28:50 localhost kernel: RBP: 81003f27d800 R08: 00090758 
R09: 81000a8ee000
Aug 22 20:2

Bug#302523: kernel-image-2.6.11-9-amd64-k8: module dm_mod locks my IDE disks

2005-08-23 Thread Laurent Bonnaud
Hi,

this bug is still there with kernel 2.6.12.

-- 
Laurent Bonnaud.
http://www.lis.inpg.fr/pages_perso/bonnaud/




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Bug#302523: kernel-image-2.6.11-9-amd64-k8: module dm_mod locks my IDE disks

2005-08-24 Thread Laurent Bonnaud
> Output of dmsetup?

I guess that you are interested in "dmsetup ls", right?  

After I fix my system by removing the dm_mod module and manually
mounting my 2 PATA drives, I get:

# dmsetup ls
/proc/misc: No entry for device-mapper found
Is device-mapper driver missing from kernel?
Failure to communicate with kernel device-mapper driver.
/proc/misc: No entry for device-mapper found
Is device-mapper driver missing from kernel?
Failure to communicate with kernel device-mapper driver.
Incompatible libdevmapper 1.01.04 (2005-08-02)(compat) and kernel driver
Command failed

# modprobe dm_mod
# dmsetup ls
No devices found

In fact I guess that you are interested in the dmsetup output right
after the boot, when the dm_mod module still locks my PATA drives.
Unfortunately I cannot afford to reboot this machine now.  I will do it
when kernel 2.6.13 is out.

-- 
Laurent Bonnaud.
http://www.lis.inpg.fr/pages_perso/bonnaud/




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Bug#302523: kernel-image-2.6.11-9-amd64-k8: module dm_mod locks my IDE disks

2005-09-14 Thread Laurent Bonnaud
Hi,

since kernel 2.6.13 has not appeared in Debian yet (hint, hint !), I had
a chance to reboot my system, so here is the requested info:

# dmsetup ls
hda1(253, 0)
hdb1(253, 1)

# dmsetup info hda1
Name:  hda1
State: ACTIVE
Tables present:LIVE
Open count:0
Event number:  0
Major, minor:  253, 0
Number of targets: 1

# dmsetup info hdb1
Name:  hdb1
State: ACTIVE
Tables present:LIVE
Open count:0
Event number:  0
Major, minor:  253, 1
Number of targets: 1

# dmsetup deps hda1
1 dependencies  : (3, 0)

# dmsetup deps hdb1
1 dependencies  : (3, 64)

# dmsetup status hda1
0 234436482 linear

# dmsetup status hdb1
0 234436482 linear

# dmsetup table hda1
0 234436482 linear 3:0 63

# dmsetup table hdb1
0 234436482 linear 3:64 63

# dmsetup table hda1
0 234436482 linear 3:0 63

# dmsetup table hdb1
0 234436482 linear 3:64 63





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Bug#337479: yaird: should use /usr/bin/perl, not /usr/local/bin/perl

2005-11-04 Thread Laurent Bonnaud
Package: yaird
Version: 0.0.11-11
Severity: normal


Hi,

I have rebuilt yaird from the Debian source package on a system where
/usr/local/bin/perl is a symlink to /usr/bin/perl.  In the resulting binary
package,  /usr/sbin/yaird begins with:

#!/usr/local/bin/perl

whereas in the standard package, it begins with:

#!/usr/bin/perl

Therefore the package does not work on other systems where /usr/local/bin/perl
does not exist.

It would be better if /usr/sbin/yaird did not depend on the perl PATH in the
build system.

I have seen a similar problem in another package that I have rebuilt from
source, so it may be an issue with debhelper or perl itself.


-- System Information:
Debian Release: testing/unstable
  APT prefers unstable
  APT policy: (100, 'unstable'), (99, 'experimental')
Architecture: i386 (i686)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.14-1-686
Locale: [EMAIL PROTECTED], [EMAIL PROTECTED] (charmap=ISO-8859-15)

Versions of packages yaird depends on:
ii  cpio 2.6-9   GNU cpio -- a program to manage ar
ii  dash 0.5.2-8 The Debian Almquist Shell
ii  libc62.3.5-7 GNU C Library: Shared libraries an
ii  libhtml-template-perl2.6-2   HTML::Template : A module for usin
ii  libparse-recdescent-perl 1.94.free-1 Generates recursive-descent parser
ii  perl 5.8.7-7 Larry Wall's Practical Extraction 

yaird recommends no packages.

-- no debconf information


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Bug#337479: yaird: should use /usr/bin/perl, not /usr/local/bin/perl

2005-11-09 Thread Laurent Bonnaud
On sam, 2005-11-05 at 16:31 +0100, Mattia Dongili wrote:

> and you probably have /usr/local/bin before /usr/bin in your path

Yes as on all unmodified Debian systems.

> I'd say this is a problem in the submitter's build host. 

Having a /usr/local/bin/perl symlink is very useful to run many perl
scripts without having to modify them.

> I's like
> configuring a package with silly ./configure options and pretending it
> works everywhere. :)

I did not intervene in the build process.  I used this command:

  apt-get -b source yaird

With this command I expect to get a working package as long as I do not
mess up the system.  And putting files in /usr/local/ is clearly allowed
and does not count as "messing up the system".

-- 
Laurent Bonnaud.
http://www.lis.inpg.fr/pages_perso/bonnaud/




-- 
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Bug#337479: yaird: should use /usr/bin/perl, not /usr/local/bin/perl

2005-11-09 Thread Laurent Bonnaud
> I cannot reproduce. Please describe in detail how you rebuild the
> package.

This is on a sarge system, since I'm doing a backport.  I use this
command:

  fakeroot apt-get -b source yaird

-- 
Laurent Bonnaud.
http://www.lis.inpg.fr/pages_perso/bonnaud/




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Bug#855116: linux-image-4.9.0-1-rt-amd64: error messages on boot about NOHZ and local_softirq_pending

2017-02-14 Thread Laurent Bonnaud
Package: src:linux
Version: 4.9.6-3
Severity: normal


Dear Maintainer,

I see the following error messages on 2 of my test systems:

# journalctl | grep NOHZ
Feb 13 14:12:25 irancy kernel: NOHZ: local_softirq_pending 100
Feb 13 14:12:25 irancy kernel: NOHZ: local_softirq_pending 100
Feb 13 14:12:27 irancy kernel: NOHZ: local_softirq_pending 02
Feb 13 14:12:34 irancy kernel: NOHZ: local_softirq_pending 02
Feb 13 14:12:34 irancy kernel: NOHZ: local_softirq_pending 02
Feb 13 14:12:34 irancy kernel: NOHZ: local_softirq_pending 02
Feb 13 14:12:34 irancy kernel: NOHZ: local_softirq_pending 02
Feb 13 14:12:36 irancy kernel: NOHZ: local_softirq_pending 02
Feb 13 14:12:36 irancy kernel: NOHZ: local_softirq_pending 02
Feb 13 14:12:36 irancy kernel: NOHZ: local_softirq_pending 02

# journalctl | grep NOHZ
févr. 14 10:44:37 jophur kernel: NOHZ: local_softirq_pending 02
févr. 14 10:44:38 jophur kernel: NOHZ: local_softirq_pending 02
févr. 14 10:44:40 jophur kernel: NOHZ: local_softirq_pending 02
févr. 14 10:44:40 jophur kernel: NOHZ: local_softirq_pending 02
févr. 14 10:44:50 jophur kernel: NOHZ: local_softirq_pending 02
févr. 14 10:44:50 jophur kernel: NOHZ: local_softirq_pending 02
févr. 14 10:44:50 jophur kernel: NOHZ: local_softirq_pending 02
févr. 14 10:44:50 jophur kernel: NOHZ: local_softirq_pending 02
févr. 14 10:44:50 jophur kernel: NOHZ: local_softirq_pending 02
févr. 14 10:44:50 jophur kernel: NOHZ: local_softirq_pending 02

I don't know if they are real errors, but they look like errors because they 
are displayed in red both by dmesg and journalctl.  They also appear on the 
screen even if the kernel is booted with the "quiet" option.  The non -rt 
kernel flavor does not output those messages.


-- Package-specific info:
** Version:
Linux version 4.9.0-1-rt-amd64 (debian-kernel@lists.debian.org) (gcc version 
6.3.0 20170124 (Debian 6.3.0-5) ) #1 SMP PREEMP$

** Command line:
BOOT_IMAGE=/boot/vmlinuz-4.9.0-1-rt-amd64 
root=UUID=cfd58a06-e091-4822-88c2-4b93329bb3d0 ro vsyscall=none 
security=apparmor $

** Not tainted

-- 
Laurent.



Bug#855116: linux-image-4.9.0-1-rt-amd64: error messages on boot about NOHZ and local_softirq_pending

2017-02-22 Thread Laurent Bonnaud
On 14/02/2017 13:52, Ben Hutchings wrote:

> I think these errors (at least those with "02" at the end) are fixed by
> "softirq: wake the timer softirq if needed" which will be included in
> the next update (version 4.9.9-1).  Let us know whether that fixes the
> problem for you, once it's available.

I tested with kernel version 4.9.10-1 and indeed the "02" errors are fixed on 
one of my test systems (the other one is not available currently).

I will test again for the "100" errors when my other test system becomes 
available again...

Thanks,

-- 
Laurent.



Bug#855842: linux-image-4.9.0-2-rt-amd64: Xorg freeze with radeon DRM and rt_mutex

2017-02-22 Thread Laurent Bonnaud
Package: src:linux
Version: 4.9.10-1
Severity: important


Dear Maintainer,

I was testing plasma desktop and after a while the graphic session froze.  The 
kernel logged the following traces:

[ 3142.620047] INFO: task Xorg:6067 blocked for more than 120 seconds.
[ 3142.620055]   Not tainted 4.9.0-2-rt-amd64 #1
[ 3142.620058] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this 
message.
[ 3142.620061] XorgD0  6067   6047 0x0044
[ 3142.620067]  8a2395622400 8a239dd73f00 8a23bfc692c0 
8a239dd1e580
[ 3142.620073]  8a237b581d00 b6c744303be8 96817f9f 
00ff8a239dd1e580
[ 3142.620078]  8a23bfc692c0 8a239dd1e580 8a239dd1e580 

[ 3142.620084] Call Trace:
[ 3142.620092]  [] ? __schedule+0x26f/0x5b0
[ 3142.620096]  [] ? schedule+0x43/0xc0
[ 3142.620099]  [] ? __rt_mutex_slowlock+0x83/0x150
[ 3142.620102]  [] ? rt_mutex_slowlock+0x11c/0x2a0
[ 3142.620107]  [] ? rt_down_read+0x24/0x30
[ 3142.620147]  [] ? radeon_gem_create_ioctl+0x37/0x100 
[radeon]
[ 3142.620172]  [] ? drm_ioctl+0x1ea/0x470 [drm]
[ 3142.620200]  [] ? radeon_gem_pwrite_ioctl+0x30/0x30 
[radeon]
[ 3142.620204]  [] ? unpin_current_cpu+0x12/0x70
[ 3142.620225]  [] ? radeon_drm_ioctl+0x49/0x80 [radeon]
[ 3142.620228]  [] ? do_vfs_ioctl+0x9f/0x610
[ 3142.620232]  [] ? __sys_recvmsg+0x7d/0x90
[ 3142.620235]  [] ? SyS_ioctl+0x74/0x80
[ 3142.620239]  [] ? system_call_fast_compare_end+0xc/0x9b
[ 3142.620249] INFO: task kwin_x11:6284 blocked for more than 120 seconds.
[ 3142.620253]   Not tainted 4.9.0-2-rt-amd64 #1
[ 3142.620255] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this 
message.
[ 3142.620258] kwin_x11D0  6284   6268 0x
[ 3142.620262]  8a2349963f00  8a23bfce92c0 
8a2396bfe580
[ 3142.620268]  8a23bcadd700 b6c740f33af0 96817f9f 

[ 3142.620273]  8a23bfce92c0 8a23bd0db680 8a2396bfe580 

[ 3142.620278] Call Trace:
[ 3142.620282]  [] ? __schedule+0x26f/0x5b0
[ 3142.620286]  [] ? schedule+0x43/0xc0
[ 3142.620288]  [] ? __rt_mutex_slowlock+0x83/0x150
[ 3142.620291]  [] ? rt_mutex_slowlock+0x11c/0x2a0
[ 3142.620295]  [] ? rt_down_read+0x24/0x30
[ 3142.620319]  [] ? radeon_bo_create+0x15d/0x280 [radeon]
[ 3142.620347]  [] ? radeon_gem_object_create+0xbe/0x1a0 
[radeon]
[ 3142.620374]  [] ? radeon_gem_create_ioctl+0x69/0x100 
[radeon]
[ 3142.620377]  [] ? pin_current_cpu+0x76/0x1c0
[ 3142.620393]  [] ? drm_ioctl+0x1ea/0x470 [drm]
[ 3142.620421]  [] ? radeon_gem_pwrite_ioctl+0x30/0x30 
[radeon]
[ 3142.620446]  [] ? unpin_current_cpu+0x12/0x70
[ 3142.620467]  [] ? radeon_drm_ioctl+0x49/0x80 [radeon]
[ 3142.620470]  [] ? do_vfs_ioctl+0x9f/0x610
[ 3142.620473]  [] ? SyS_ioctl+0x74/0x80
[ 3142.620476]  [] ? system_call_fast_compare_end+0xc/0x9b


-- Package-specific info:
** Version:
Linux version 4.9.0-2-rt-amd64 (debian-kernel@lists.debian.org) (gcc version 
6.3.0 20170205 (Debian 6.3.0-6) ) #1 SMP PREEMPT RT Debian 4.9.10-1 (2017-02-17)

** Command line:
BOOT_IMAGE=/boot/vmlinuz-4.9.0-2-rt-amd64 
root=UUID=653331ef-773b-4ffe-922e-9098d779bb3d ro quiet

** Not tainted

** Kernel log:
Unable to read kernel log; any relevant messages should be attached

** Model information
sys_vendor: System manufacturer
product_name: System Product Name
product_version: System Version
chassis_vendor: Chassis Manufacture
chassis_version: Chassis Version
bios_vendor: American Megatrends Inc.
bios_version: 0804   
board_vendor: ASUSTeK Computer INC.
board_name: P5B-Deluxe
board_version: Rev 1.xx

** Loaded modules:
fuse
iptable_filter
iTCO_wdt
iTCO_vendor_support
evdev
dvb_pll
cx22702
cx88_dvb
cx88_vp3054_i2c
videobuf2_dvb
coretemp
ir_lirc_codec
lirc_dev
dvb_core
kvm_intel
rc_cinergy_1400
kvm
irqbypass
snd_hda_codec_analog
snd_hda_codec_generic
cx8800
videobuf2_dma_sg
videobuf2_memops
videobuf2_v4l2
cx8802
cx88xx
tveeprom
rc_core
v4l2_common
videobuf2_core
pcspkr
videodev
serio_raw
media
sg
amdkfd
lpc_ich
mfd_core
radeon
snd_hda_codec_hdmi
ttm
snd_hda_intel
drm_kms_helper
snd_hda_codec
snd_hda_core
snd_hwdep
drm
snd_pcm
i2c_algo_bit
snd_timer
snd
soundcore
button
shpchp
asus_atk0110
acpi_cpufreq
tpm_tis
tpm_tis_core
tpm
ip_tables
x_tables
autofs4
btrfs
crc32c_generic
xor
raid6_pq
ata_generic
sd_mod
hid_generic
usbhid
hid
uas
usb_storage
psmouse
i2c_i801
i2c_smbus
skge
ahci
firewire_ohci
libahci
pata_jmicron
sata_sil24
libata
uhci_hcd
ehci_pci
firewire_core
crc_itu_t
scsi_mod
ehci_hcd
usbcore
sky2
usb_common
fjes

** PCI devices:
00:00.0 Host bridge [0600]: Intel Corporation 82P965/G965 Memory Controller Hub 
[8086:29a0] (rev 02)
Subsystem: ASUSTeK Computer Inc. P5B [1043:81ea]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- 

00:01.0 PCI bridge [0604]: Intel Corporation 82P965/G965 PCI Express Root Port 
[8086:29a1] (

Bug#855116: linux-image-4.9.0-1-rt-amd64: error messages on boot about NOHZ and local_softirq_pending

2017-02-27 Thread Laurent Bonnaud
On 22/02/2017 12:38, Laurent Bonnaud wrote:

> I will test again for the "100" errors when my other test system becomes 
> available again...

Those errors are gone, too.  Thanks for the fix!

-- 
Laurent.



Bug#756906: nfs-utils: please use more hardening features

2017-03-06 Thread Laurent Bonnaud
Hi,

with a recent nfs-common package:

Package: nfs-common
Version: 1:1.3.4-2

the hardening situation is still not very good:

# ./hardening-check /usr/sbin/rpc.*
/usr/sbin/rpc.gssd:
 Position Independent Executable: yes
 Stack protected: no, not found!
 Fortify Source functions: yes (some protected functions found)
 Read-only relocations: yes
 Immediate binding: no, not found!
/usr/sbin/rpc.idmapd:
 Position Independent Executable: yes
 Stack protected: no, not found!
 Fortify Source functions: yes (some protected functions found)
 Read-only relocations: yes
 Immediate binding: no, not found!
/usr/sbin/rpc.mountd:
 Position Independent Executable: yes
 Stack protected: no, not found!
 Fortify Source functions: yes (some protected functions found)
 Read-only relocations: yes
 Immediate binding: no, not found!
/usr/sbin/rpc.nfsd:
 Position Independent Executable: yes
 Stack protected: no, not found!
 Fortify Source functions: yes (some protected functions found)
 Read-only relocations: yes
 Immediate binding: no, not found!
/usr/sbin/rpc.rquotad:
 Position Independent Executable: no, normal executable!
 Stack protected: yes
 Fortify Source functions: yes (some protected functions found)
 Read-only relocations: yes
 Immediate binding: no, not found!
/usr/sbin/rpc.statd:
 Position Independent Executable: yes
 Stack protected: no, not found!
 Fortify Source functions: yes (some protected functions found)
 Read-only relocations: yes
 Immediate binding: no, not found!
/usr/sbin/rpc.svcgssd:
 Position Independent Executable: yes
 Stack protected: no, not found!
 Fortify Source functions: yes (some protected functions found)
 Read-only relocations: yes
 Immediate binding: no, not found!

-- 
Laurent.



Bug#857081: linux-image-4.9.0-2-rt-amd64-unsigned: NOHZ: local_softirq_pending 80

2017-03-07 Thread Laurent Bonnaud
Package: src:linux
Version: 4.9.13-1
Severity: normal


Dear Maintainer,

this is a followup to bug #855116, but I prefer to report a new bug because the 
number in the error message is not the same.  So here is the new problem:

# dmesg |grep NOHZ
[408256.268051] NOHZ: local_softirq_pending 80
[595503.460055] NOHZ: local_softirq_pending 80

In my previous bug the error messages appeared during the boot.  Now these 
error messages appear after several days of uptime.

Unfortunately I cannot correlate them to a specific activity on the machine: I 
see nothing relevant in the logs and I don't remember what I was doing at that 
time of this system (I mostly do "apt upgrade" on this test system).


-- Package-specific info:
** Version:
Linux version 4.9.0-2-rt-amd64 (debian-kernel@lists.debian.org) (gcc version 
6.3.0 20170221 (Debian 6.3.0-8) ) #1 SMP PREEMPT RT Debian 4.9.13-1 (2017-02-27)

** Command line:
BOOT_IMAGE=/boot/vmlinuz-4.9.0-2-rt-amd64 
root=UUID=cfd58a06-e091-4822-88c2-4b93329bb3d0 ro vsyscall=none 
security=apparmor quiet

** Tainted: E (8192)
 * Unsigned module has been loaded.

** Kernel log:
Unable to read kernel log; any relevant messages should be attached

** Model information
sys_vendor: Dell Inc.
product_name: OptiPlex 780 
product_version: 
chassis_vendor: Dell Inc.
chassis_version: 
bios_vendor: Dell Inc.
bios_version: A15
board_vendor: Dell Inc.
board_name: 0C27VV
board_version: A03

** Loaded modules:
btrfs(E)
xor(E)
raid6_pq(E)
dm_crypt(E)
dm_mod(E)
ipt_REJECT(E)
nf_reject_ipv4(E)
tcp_diag(E)
inet_diag(E)
ipt_MASQUERADE(E)
nf_nat_masquerade_ipv4(E)
xfrm_algo(E)
iptable_nat(E)
nf_conntrack_ipv4(E)
nf_defrag_ipv4(E)
nf_nat_ipv4(E)
xt_addrtype(E)
xt_conntrack(E)
nf_nat(E)
nf_conntrack(E)
stp(E)
llc(E)
overlay(E)
cpuid(E)
battery(E)
cpufreq_conservative(E)
cpufreq_powersave(E)
cpufreq_userspace(E)
fuse(E)
rfkill(E)
iTCO_wdt(E)
iTCO_vendor_support(E)
dell_wmi(E)
sparse_keymap(E)
dell_smbios(E)
coretemp(E)
dcdbas(E)
kvm_intel(E)
kvm(E)
snd_hda_codec_analog(E)
snd_hda_codec_generic(E)
irqbypass(E)
pcspkr(E)
snd_hda_intel(E)
snd_hda_codec(E)
snd_hda_core(E)
serio_raw(E)
snd_hwdep(E)
snd_pcm_oss(E)
snd_mixer_oss(E)
snd_pcm(E)
snd_timer(E)
snd(E)
soundcore(E)
sg(E)
lpc_ich(E)
mfd_core(E)
shpchp(E)
acpi_cpufreq(E)
evdev(E)
ip6table_filter(E)
ip6_tables(E)
xt_multiport(E)
iptable_filter(E)
binfmt_misc(E)
configfs(E)
lru_cache(E)
loop(E)
ip_tables(E)
x_tables(E)
autofs4(E)
ext4(E)
crc16(E)
jbd2(E)
fscrypto(E)
ecb(E)
glue_helper(E)
lrw(E)
gf128mul(E)
ablk_helper(E)
cryptd(E)
aes_x86_64(E)
mbcache(E)
libcrc32c(E)
crc32c_generic(E)
ses(E)
enclosure(E)
scsi_transport_sas(E)
hid_generic(E)
usbhid(E)
hid(E)
uas(E)
usb_storage(E)
sd_mod(E)
i2c_i801(E)
i2c_smbus(E)
ahci(E)
libahci(E)
i915(E)
ata_generic(E)
video(E)
i2c_algo_bit(E)
wmi(E)
drm_kms_helper(E)
libata(E)
ehci_pci(E)
uhci_hcd(E)
ehci_hcd(E)
usbcore(E)
button(E)
e1000e(E)
usb_common(E)
ptp(E)
drm(E)
pps_core(E)
scsi_mod(E)

** PCI devices:
00:00.0 Host bridge [0600]: Intel Corporation 4 Series Chipset DRAM Controller 
[8086:2e10] (rev 03)
Subsystem: Dell 4 Series Chipset DRAM Controller [1028:0420]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- 

00:02.0 VGA compatible controller [0300]: Intel Corporation 4 Series Chipset 
Integrated Graphics Controller [8086:2e12] (rev 03) (prog-if 00 [VGA 
controller])
Subsystem: Dell 4 Series Chipset Integrated Graphics Controller 
[1028:0420]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- 
Kernel driver in use: i915
Kernel modules: i915

00:02.1 Display controller [0380]: Intel Corporation 4 Series Chipset 
Integrated Graphics Controller [8086:2e13] (rev 03)
Subsystem: Dell 4 Series Chipset Integrated Graphics Controller 
[1028:0420]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- 

00:03.0 Communication controller [0780]: Intel Corporation 4 Series Chipset 
HECI Controller [8086:2e14] (rev 03)
Subsystem: Dell 4 Series Chipset HECI Controller [1028:0420]
Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- 
Kernel modules: mei_me

00:03.2 IDE interface [0101]: Intel Corporation 4 Series Chipset PT IDER 
Controller [8086:2e16] (rev 03) (prog-if 85 [Master SecO PriO])
Subsystem: Dell 4 Series Chipset PT IDER Controller [1028:0420]
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz+ UDF- FastB2B+ P

Bug#857608: linux-image-4.9.0-2-rt-amd64-unsigned: please build with CONFIG_LATENCYTOP

2017-03-13 Thread Laurent Bonnaud
Package: linux-image-4.9.0-2-rt-amd64-unsigned
Version: 4.9.13-1


Dear maintainer,

the Debian kernels are currently built without the CONFIG_LATENCYTOP option:

$ grep LATENCYTOP /boot/config-4.9.0-2-*
/boot/config-4.9.0-2-amd64:# CONFIG_LATENCYTOP is not set
/boot/config-4.9.0-2-rt-amd64:# CONFIG_LATENCYTOP is not set

The result is this:

# latencytop
mount: none is already mounted or /sys/kernel/debug busy
Please enable the CONFIG_LATENCYTOP configuration in your kernel.
Exiting...

So could you please enable this option?

-- 
Laurent.



Bug#857608: closed by Ben Hutchings (Re: Bug#857608: linux-image-4.9.0-2-rt-amd64-unsigned: please build with CONFIG_LATENCYTOP)

2017-03-14 Thread Laurent Bonnaud
> It adds an extra 4K (2K on 32-bit) to the task_struct for every task
> in the system.  This is not an acceptable cost.

OK, I understand that this can be a problem for systems without a lot of RAM.

> Sorry, you'll have to build a custom kernel to enable this feature.

No, problem!

Thanks anyway,

-- 
Laurent.



Bug#858884: nfs-common : mounting is done before network time adjustment

2017-03-28 Thread Laurent Bonnaud
Package: nfs-common
Version: 1:1.3.4-2.1


Dear maintainer,

here is what I see in journalctl (/users is a Kerberos NFS mount point):

Mar 28 09:55:57 file-info2 systemd[1]: Mounted /users.
Mar 28 09:55:57 file-info2 systemd[1]: Started /etc/rc.local Compatibility.
Mar 28 09:55:57 file-info2 systemd[1]: Reached target Remote File Systems.
[...]
Mar 28 09:56:26 file-info2 systemd-timesyncd[293]: Synchronized to time server 
80.74.64.2:123 (2.debian.pool.ntp.or
Mar 28 09:56:26 file-info2 systemd[1]: Time has been changed

When mounting NFS shares with Kerberos, it is important that time is 
synchronized between server and clients.  In this case mounting succeeded 
because the time difference was acceptable.  But it may not always be the same 
(for instance if the client has no battery to maintain time when it is off).  

So how about ordering NFS mounts after time synchronization during boot ?

-- 
Laurent.



Bug#859190: linux-image-4.9.0-2-amd64-unsigned : NFSv4 client error

2017-03-31 Thread Laurent Bonnaud
Package: linux-image-4.9.0-2-amd64-unsigned
Version: 4.9.18-1


Dear maintainer,

here is a warning I observed on a NFSv4+Kerberos client.  

The taint comes from this previous error message:

[0.653706] scsi_mod: module verification failed: signature and/or required 
key missing - tainting kernel

[   20.126226] [ cut here ]
[   20.126245] WARNING: CPU: 3 PID: 2431 at 
/build/linux-9r9Ph5/linux-4.9.18/fs/nfs/nfs4idmap.c:537 
nfs_idmap_legacy_upcall+0x181/0x190 [nfsv4]
[   20.126245] Modules linked in: hmac(E) cbc(E) cts(E) nfsd(E) nfs_acl(E) 
rpcsec_gss_krb5(E) auth_rpcgss(E) nfsv4(E) dns_resolver(E) nfs(E) lockd(E) 
grace(E) sunrpc(E) fscache(E) coretemp(E) crct10dif_pclmul(E) crc32_pclmul(E) 
ghash_clmulni_intel(E) joydev(E) evdev(E) vmw_balloon(E) vmwgfx(E) ppdev(E) 
serio_raw(E) pcspkr(E) ttm(E) acpi_cpufreq(E) tpm_tis(E) tpm_tis_core(E) 
parport_pc(E) sg(E) parport(E) drm_kms_helper(E) drm(E) tpm(E) battery(E) 
vmw_vmci(E) shpchp(E) ac(E) button(E) autofs4(E) ext4(E) crc16(E) jbd2(E) 
fscrypto(E) mbcache(E) sr_mod(E) cdrom(E) sd_mod(E) ata_generic(E) 
crc32c_intel(E) aesni_intel(E) aes_x86_64(E) glue_helper(E) lrw(E) gf128mul(E) 
ablk_helper(E) cryptd(E) psmouse(E) vmxnet3(E) vmw_pvscsi(E) ata_piix(E) 
libata(E) scsi_mod(E)
[   20.126276] CPU: 3 PID: 2431 Comm: apache2 Tainted: GE   
4.9.0-2-amd64 #1 Debian 4.9.18-1
[   20.126277] Hardware name: VMware, Inc. VMware Virtual Platform/440BX 
Desktop Reference Platform, BIOS 6.00 04/14/2014
[   20.126278]   84b28714  

[   20.126279]  84876e9e 916b761fc800 fff5 
916b7570d2c0
[   20.126281]  916b755b8c80 916b761fc830 916b755b8c80 
c06357c1
[   20.126282] Call Trace:
[   20.126288]  [] ? dump_stack+0x5c/0x78
[   20.126291]  [] ? __warn+0xbe/0xe0
[   20.126298]  [] ? nfs_idmap_legacy_upcall+0x181/0x190 
[nfsv4]
[   20.126301]  [] ? request_key_and_link+0x43d/0x520
[   20.126303]  [] ? keyring_alloc+0x80/0x80
[   20.126304]  [] ? key_default_cmp+0x20/0x20
[   20.126305]  [] ? request_key_with_auxdata+0x1a/0x60
[   20.126307]  [] ? mutex_lock+0x1b/0x30
[   20.126313]  [] ? nfs_idmap_get_key+0x195/0x1c0 [nfsv4]
[   20.126319]  [] ? nfs_map_name_to_uid+0x102/0x160 [nfsv4]
[   20.126320]  [] ? memzero_explicit+0xe/0x10
[   20.126326]  [] ? decode_getfattr_attrs+0x11cf/0x1710 
[nfsv4]
[   20.126328]  [] ? crypto_destroy_tfm+0x28/0x80
[   20.126333]  [] ? 
decode_getfattr_generic.constprop.103+0xa1/0x110 [nfsv4]
[   20.126338]  [] ? nfs4_xdr_dec_getattr+0x90/0x90 [nfsv4]
[   20.126343]  [] ? nfs4_xdr_dec_lookup+0xb2/0xc0 [nfsv4]
[   20.126345]  [] ? gss_verify_mic_kerberos+0x25b/0x340 
[rpcsec_gss_krb5]
[   20.126347]  [] ? gss_unwrap_resp+0xc1/0x230 [auth_rpcgss]
[   20.126353]  [] ? nfs4_xdr_dec_getattr+0x90/0x90 [nfsv4]
[   20.126363]  [] ? rpcauth_unwrap_resp+0x60/0xe0 [sunrpc]
[   20.126370]  [] ? __rpc_wait_for_completion_task+0x30/0x30 
[sunrpc]
[   20.126375]  [] ? __rpc_wait_for_completion_task+0x30/0x30 
[sunrpc]
[   20.126381]  [] ? nfs4_xdr_dec_getattr+0x90/0x90 [nfsv4]
[   20.126386]  [] ? call_decode+0x1de/0x810 [sunrpc]
[   20.126388]  [] ? wake_atomic_t_function+0x60/0x60
[   20.126393]  [] ? call_refreshresult+0x110/0x110 [sunrpc]
[   20.126398]  [] ? call_refreshresult+0x110/0x110 [sunrpc]
[   20.126404]  [] ? __rpc_execute+0x86/0x420 [sunrpc]
[   20.126410]  [] ? rpc_run_task+0xe3/0x120 [sunrpc]
[   20.126414]  [] ? nfs4_call_sync_sequence+0x64/0xa0 [nfsv4]
[   20.126419]  [] ? _nfs4_proc_lookup+0x10b/0x170 [nfsv4]
[   20.126425]  [] ? nfs4_proc_lookup_common+0x84/0x3c0 
[nfsv4]
[   20.126430]  [] ? nfs4_proc_lookup+0x4d/0xb0 [nfsv4]
[   20.126438]  [] ? nfs_lookup+0xf5/0x260 [nfs]
[   20.126440]  [] ? lookup_slow+0xa3/0x170
[   20.126441]  [] ? walk_component+0x1f3/0x320
[   20.126445]  [] ? nfs_permission+0x1cb/0x1e0 [nfs]
[   20.126447]  [] ? link_path_walk+0x1b2/0x650
[   20.126448]  [] ? path_lookupat+0x86/0x120
[   20.126450]  [] ? page_add_file_rmap+0x11/0x110
[   20.126451]  [] ? filename_lookup+0xb1/0x180
[   20.126452]  [] ? __check_object_size+0xfa/0x1d8
[   20.126454]  [] ? strncpy_from_user+0x48/0x160
[   20.126455]  [] ? getname_flags+0x6a/0x1e0
[   20.126456]  [] ? vfs_fstatat+0x59/0xb0
[   20.126457]  [] ? SYSC_newstat+0x2a/0x60
[   20.126458]  [] ? __do_page_fault+0x2d1/0x510
[   20.126460]  [] ? system_call_fast_compare_end+0xc/0x9b
[   20.126461] ---[ end trace b7c11d4336e33116 ]---

-- 
Laurent.



Bug#859321: linux-image-4.9.0-2-amd64-unsigned : WARNING sysfs: cannot create duplicate filename '/devices/pnp0/00:05/ppdev/parport0'

2017-04-02 Thread Laurent Bonnaud
Package: linux-image-4.9.0-2-amd64-unsigned
Version: 4.9.18-1


Dear maintainer,

here are warnings I observed during boot in a VMWare virtual machine.

The taint comes from this previous error message:

[0.653706] scsi_mod: module verification failed: signature and/or required 
key missing - tainting kernel

[3.063472] ppdev: user-space parallel port driver
[3.067988] [ cut here ]
[3.067994] WARNING: CPU: 0 PID: 259 at 
/build/linux-9r9Ph5/linux-4.9.18/fs/sysfs/dir.c:31 sysfs_warn_dup+0x5d/0x70
[3.067995] sysfs: cannot create duplicate filename 
'/devices/pnp0/00:05/ppdev/parport0'
[3.067996] Modules linked in: ppdev(E) parport_pc(E+) vmw_balloon(E) sg(E) 
coretemp(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) 
parport(E) evdev(E) joydev(E) serio_raw(E) pcspkr(E) vmw_vmci(E) vmwgfx(E) 
shpchp(E) ttm(E) battery(E) drm_kms_helper(E) drm(E) acpi_cpufreq(E) tpm_tis(E) 
tpm_tis_core(E) tpm(E) ac(E) button(E) auth_rpcgss(E) sunrpc(E) ip_tables(E) 
x_tables(E) autofs4(E) ext4(E) crc16(E) jbd2(E) crc32c_generic(E) fscrypto(E) 
ecb(E) mbcache(E) sr_mod(E) cdrom(E) sd_mod(E) ata_generic(E) crc32c_intel(E) 
aesni_intel(E) aes_x86_64(E) glue_helper(E) lrw(E) gf128mul(E) ablk_helper(E) 
cryptd(E) psmouse(E) ata_piix(E) vmxnet3(E) vmw_pvscsi(E) libata(E) scsi_mod(E)
[3.068020] CPU: 0 PID: 259 Comm: systemd-udevd Tainted: GE   
4.9.0-2-amd64 #1 Debian 4.9.18-1
[3.068021] Hardware name: VMware, Inc. VMware Virtual Platform/440BX 
Desktop Reference Platform, BIOS 6.00 04/14/2014
[3.068023]   86128714 bbd2004f3808 

[3.068025]  85e76e9e 9cc2b6a6f000 bbd2004f3860 
9cc2ba8c6870
[3.068026]  9cc2b9efb580 9cc2bcec9400 0630 
85e76f1f
[3.068028] Call Trace:
[3.068033]  [] ? dump_stack+0x5c/0x78
[3.068036]  [] ? __warn+0xbe/0xe0
[3.068038]  [] ? warn_slowpath_fmt+0x5f/0x80
[3.068039]  [] ? kernfs_path_from_node+0x4a/0x60
[3.068042]  [] ? sysfs_warn_dup+0x5d/0x70
[3.068044]  [] ? sysfs_create_dir_ns+0x70/0x80
[3.068046]  [] ? kobject_add_internal+0x9d/0x320
[3.068047]  [] ? kobject_add+0x75/0xd0
[3.068050]  [] ? device_add+0x14e/0x620
[3.068052]  [] ? device_create_groups_vargs+0xd9/0xf0
[3.068056]  [] ? dead_read+0x10/0x10 [parport]
[3.068057]  [] ? device_create+0x51/0x70
[3.068060]  [] ? klist_next+0x1b/0xf0
[3.068061]  [] ? driver_check+0x13/0x20 [parport]
[3.068063]  [] ? bus_for_each_drv+0x62/0xb0
[3.068065]  [] ? parport_announce_port+0xbc/0x100 
[parport]
[3.068068]  [] ? parport_pc_probe_port+0x6ba/0xbb0 
[parport_pc]
[3.068070]  [] ? _dev_info+0x6c/0x90
[3.068072]  [] ? parport_pc_pnp_probe+0x13e/0x1e0 
[parport_pc]
[3.068075]  [] ? parport_pc_pci_probe+0x260/0x260 
[parport_pc]
[3.068077]  [] ? pnp_device_probe+0x5c/0xc0
[3.068079]  [] ? driver_probe_device+0x21a/0x420
[3.068081]  [] ? __driver_attach+0xda/0xe0
[3.068083]  [] ? driver_probe_device+0x420/0x420
[3.068084]  [] ? bus_for_each_dev+0x67/0xb0
[3.068086]  [] ? bus_add_driver+0x16a/0x260
[3.068088]  [] ? driver_register+0x57/0xc0
[3.068090]  [] ? parport_pc_init+0x2cd/0xf2a [parport_pc]
[3.068093]  [] ? netlink_broadcast_filtered+0x14c/0x3d0
[3.068095]  [] ? 
parport_parse_param.constprop.14+0xd6/0xd6 [parport_pc]
[3.068098]  [] ? do_one_initcall+0x4b/0x180
[3.068100]  [] ? __vunmap+0x6d/0xc0
[3.068103]  [] ? do_init_module+0x5b/0x1ed
[3.068105]  [] ? load_module+0x2523/0x2a00
[3.068106]  [] ? __symbol_put+0x60/0x60
[3.068108]  [] ? SYSC_finit_module+0xc6/0xf0
[3.068110]  [] ? do_syscall_64+0x7c/0xf0
[3.068112]  [] ? entry_SYSCALL64_slow_path+0x25/0x25
[3.068113] ---[ end trace a738ee0675a79a4d ]---


and


[3.068114] [ cut here ]
[3.068116] WARNING: CPU: 0 PID: 259 at 
/build/linux-9r9Ph5/linux-4.9.18/lib/kobject.c:240 
kobject_add_internal+0x2ab/0x320
[3.068118] kobject_add_internal failed for parport0 with -EEXIST, don't try 
to register things with the same name in the same directory.
[3.068118] Modules linked in: ppdev(E) parport_pc(E+) vmw_balloon(E) sg(E) 
coretemp(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) 
parport(E) evdev(E) joydev(E) serio_raw(E) pcspkr(E) vmw_vmci(E) vmwgfx(E) 
shpchp(E) ttm(E) battery(E) drm_kms_helper(E) drm(E) acpi_cpufreq(E) tpm_tis(E) 
tpm_tis_core(E) tpm(E) ac(E) button(E) auth_rpcgss(E) sunrpc(E) ip_tables(E) 
x_tables(E) autofs4(E) ext4(E) crc16(E) jbd2(E) crc32c_generic(E) fscrypto(E) 
ecb(E) mbcache(E) sr_mod(E) cdrom(E) sd_mod(E) ata_generic(E) crc32c_intel(E) 
aesni_intel(E) aes_x86_64(E) glue_helper(E) lrw(E) gf128mul(E) ablk_helper(E) 
cryptd(E) psmouse(E) ata_piix(E) vmxnet3(E) vmw_pvscsi(E) libata(E) scsi_mod(E)
[3.068131] CPU: 0 PID: 259 Comm: systemd-udevd Tainted: GW   E   
4.9.0-2-amd64 #1 Debian 4.9.18-

Bug#857081: linux-image-4.9.0-2-rt-amd64-unsigned: NOHZ: local_softirq_pending 80

2017-04-13 Thread Laurent Bonnaud
Hi,

this bug happened again.  This time I have more context: it occurred during the 
execution of the acct cron job:

Apr 12 07:35:10 irancy anacron[7284]: Updated timestamp for job `cron.daily' to 
2017-04-12
Apr 12 07:35:10 irancy nullmailer[7282]: smtp: Succeeded: 250 OK 
id=1cyAvu-00020k-FW
Apr 12 07:35:10 irancy nullmailer[18624]: Sent file.
Apr 12 07:35:10 irancy nullmailer[18624]: Delivery complete, 0 message(s) 
remain.
Apr 12 07:35:12 irancy systemd[1]: Stopping LSB: process and login accounting...
Apr 12 07:35:12 irancy acct[7346]: Turning off process accounting.
Apr 12 07:35:12 irancy acct[7346]: Done..
Apr 12 07:35:12 irancy systemd[1]: Stopped LSB: process and login accounting.
Apr 12 07:35:12 irancy systemd[1]: Starting LSB: process and login accounting...
Apr 12 07:35:12 irancy acct[7368]: Turning on process accounting, file set to 
'/var/log/account/pacct'.
Apr 12 07:35:12 irancy kernel: NOHZ: local_softirq_pending 80
Apr 12 07:35:12 irancy kernel: NOHZ: local_softirq_pending 80
Apr 12 07:35:12 irancy kernel: NOHZ: local_softirq_pending 80
Apr 12 07:35:12 irancy kernel: NOHZ: local_softirq_pending 80
Apr 12 07:35:12 irancy kernel: NOHZ: local_softirq_pending 80
Apr 12 07:35:12 irancy kernel: NOHZ: local_softirq_pending 80
Apr 12 07:35:12 irancy kernel: NOHZ: local_softirq_pending 80
Apr 12 07:35:12 irancy kernel: Process accounting resumed
Apr 12 07:35:12 irancy acct[7368]: Done..
Apr 12 07:35:12 irancy systemd[1]: Started LSB: process and login accounting.

-- 
Laurent.



Bug#861808: linux-image-4.9.0-3-rt-amd64: BUG: scheduling while atomic and val > preempt_count()

2017-05-04 Thread Laurent Bonnaud
Package: linux-image-4.9.0-3-rt-amd64
Version: 4.9.25-1


Dear maintainer,

here is a kernel bug that occurred after a few hours of uptime:

[24763.292878] BUG: scheduling while atomic: cron/25592/0x0002
[24763.292906] Modules linked in: cpufreq_conservative cpufreq_powersave 
cpufreq_userspace cfg80211 rfkill iTCO_wdt iTCO_vendor_support ppdev dell_wmi 
sparse_keymap dell_smbios dcdbas coretemp kvm_intel kvm irqbypass 
snd_hda_codec_analog snd_hda_codec_generic pcspkr serio_raw sg snd_hda_intel 
snd_hda_codec snd_hda_core snd_hwdep snd_pcm_oss snd_mixer_oss lpc_ich snd_pcm 
mfd_core shpchp snd_timer snd soundcore mei_me mei acpi_cpufreq parport_pc 
parport evdev ip6table_filter ip6_tables xt_multiport iptable_filter 
binfmt_misc ib_iser rdma_cm iw_cm ib_cm ib_core configfs iscsi_tcp libiscsi_tcp 
libiscsi scsi_transport_iscsi drbd lru_cache loop dm_crypt ip_tables x_tables 
autofs4 ext4 crc16 jbd2 fscrypto ecb glue_helper lrw gf128mul ablk_helper 
cryptd aes_x86_64 mbcache btrfs ses enclosure scsi_transport_sas
[24763.292923]  raid10 raid456 async_raid6_recov async_memcpy async_pq 
async_xor async_tx xor raid6_pq libcrc32c crc32c_generic raid1 raid0 multipath 
linear md_mod dm_mirror dm_region_hash dm_log dm_mod uas usb_storage 
hid_generic usbhid hid sd_mod psmouse i2c_i801 i2c_smbus ahci libahci i915 
video wmi i2c_algo_bit drm_kms_helper ehci_pci uhci_hcd ehci_hcd e1000e ptp 
button drm ata_generic usbcore pps_core usb_common libata scsi_mod
[24763.292927] Preemption disabled at:
[24763.292927] [] get_random_int+0x2f/0xc0
[24763.292930] CPU: 0 PID: 25592 Comm: cron Not tainted 4.9.0-3-rt-amd64 #1 
Debian 4.9.25-1
[24763.292930] Hardware name: Dell Inc. OptiPlex 780 /0C27VV, 
BIOS A15 08/06/2013
[24763.292933]   9df3d8ab 9e05845f 
a59ac8d2fae8
[24763.292934]  9dca4113  9e22153b 
00ff8fb8130f51e8
[24763.292935]  8fb853469240 8fb8130f1d80 8fb8130f1d80 
a59ac8d2fb28
[24763.292936] Call Trace:
[24763.292940]  [] ? dump_stack+0x5c/0x81
[24763.292941]  [] ? get_random_int+0x2f/0xc0
[24763.292943]  [] ? __schedule_bug+0x73/0xc0
[24763.292945]  [] ? __schedule+0x4fb/0x5b0
[24763.292946]  [] ? schedule+0x43/0xc0
[24763.292947]  [] ? rt_spin_lock_slowlock+0x1ef/0x340
[24763.292948]  [] ? _extract_crng+0x39/0xa0
[24763.292949]  [] ? get_random_int+0x99/0xc0
[24763.292952]  [] ? new_slab+0x1ae/0x6b0
[24763.292953]  [] ? ___slab_alloc+0x30e/0x570
[24763.292955]  [] ? mmap_region+0x2f6/0x620
[24763.292956]  [] ? migrate_enable+0x81/0x150
[24763.292958]  [] ? dput+0x123/0x2a0
[24763.292960]  [] ? mntput_no_expire+0x11/0x180
[24763.292961]  [] ? mmap_region+0x2f6/0x620
[24763.292962]  [] ? __slab_alloc.isra.69+0x72/0xb0
[24763.292963]  [] ? mmap_region+0x2f6/0x620
[24763.292964]  [] ? kmem_cache_alloc+0x158/0x1d0
[24763.292965]  [] ? mmap_region+0x2f6/0x620
[24763.292967]  [] ? do_mmap+0x438/0x510
[24763.292969]  [] ? vm_mmap_pgoff+0xc1/0x100
[24763.292970]  [] ? SyS_mmap_pgoff+0x1b1/0x270
[24763.292972]  [] ? system_call_fast_compare_end+0xc/0x9b
[24763.294242] [ cut here ]
[24763.294270] WARNING: CPU: 0 PID: 25592 at 
/build/linux-JYG8Jz/linux-4.9.25/debian/build/source_rt/kernel/sched/core.c:3301
 get_random_int+0x63/0xc0
[24763.294272] DEBUG_LOCKS_WARN_ON(val > preempt_count())
[24763.294273] Modules linked in:
[24763.294293]  cpufreq_conservative cpufreq_powersave cpufreq_userspace 
cfg80211 rfkill iTCO_wdt iTCO_vendor_support ppdev dell_wmi sparse_keymap 
dell_smbios dcdbas coretemp kvm_intel kvm irqbypass snd_hda_codec_analog 
snd_hda_codec_generic pcspkr serio_raw sg snd_hda_intel snd_hda_codec 
snd_hda_core snd_hwdep snd_pcm_oss snd_mixer_oss lpc_ich snd_pcm mfd_core 
shpchp snd_timer snd soundcore mei_me mei acpi_cpufreq parport_pc parport evdev 
ip6table_filter ip6_tables xt_multiport iptable_filter binfmt_misc ib_iser 
rdma_cm iw_cm ib_cm ib_core configfs iscsi_tcp libiscsi_tcp libiscsi 
scsi_transport_iscsi drbd lru_cache loop dm_crypt ip_tables x_tables autofs4 
ext4 crc16 jbd2 fscrypto ecb glue_helper lrw gf128mul ablk_helper cryptd 
aes_x86_64 mbcache btrfs ses enclosure scsi_transport_sas raid10 raid456
[24763.294305]  async_raid6_recov async_memcpy async_pq async_xor async_tx xor 
raid6_pq libcrc32c crc32c_generic raid1 raid0 multipath linear md_mod dm_mirror 
dm_region_hash dm_log dm_mod uas usb_storage hid_generic usbhid hid sd_mod 
psmouse i2c_i801 i2c_smbus ahci libahci i915 video wmi i2c_algo_bit 
drm_kms_helper ehci_pci uhci_hcd ehci_hcd e1000e ptp button drm ata_generic 
usbcore pps_core usb_common libata scsi_mod
[24763.294309] CPU: 0 PID: 25592 Comm: cron Tainted: GW   
4.9.0-3-rt-amd64 #1 Debian 4.9.25-1
[24763.294309] Hardware name: Dell Inc. OptiPlex 780 /0C27VV, 
BIOS A15 08/06/2013
[24763.294312]   9df3d8ab a59ac8d2fb68 

[24763.294313]  9dc7b787 8fb853465a80 a59ac8d2fbc0 
00

Bug#861808: linux-image-4.9.0-3-rt-amd64: BUG: scheduling while atomic and val > preempt_count()

2017-05-05 Thread Laurent Bonnaud
Hi,

here is another related but slightly different occurrence of this bug:

[84347.556228] BUG: scheduling while atomic: check-support-s/12390/0x0002
[84347.556256] Modules linked in: fuse cpuid cpufreq_conservative 
cpufreq_powersave cpufreq_userspace rfkill iTCO_wdt iTCO_vendor_support 
dell_wmi sparse_keymap dell_smbios dcdbas coretemp kvm_intel kvm irqbypass 
snd_hda_codec_analog snd_hda_codec_generic pcspkr serio_raw snd_hda_intel sg 
snd_hda_codec snd_hda_core lpc_ich snd_hwdep snd_pcm_oss mfd_core snd_mixer_oss 
snd_pcm ip6table_filter snd_timer ip6_tables xt_multiport shpchp snd soundcore 
iptable_filter acpi_cpufreq evdev binfmt_misc configfs lru_cache loop ip_tables 
x_tables autofs4 ext4 crc16 jbd2 fscrypto ecb glue_helper lrw gf128mul 
ablk_helper cryptd aes_x86_64 mbcache ses enclosure scsi_transport_sas 
async_memcpy async_xor async_tx xor libcrc32c crc32c_generic uas usb_storage 
hid_generic usbhid hid sd_mod i2c_i801 i2c_smbus ahci libahci
[84347.556263]  ata_generic wmi i915 video i2c_algo_bit libata drm_kms_helper 
ehci_pci uhci_hcd drm button scsi_mod ehci_hcd usbcore usb_common e1000e ptp 
pps_core [last unloaded: md_mod]
[84347.556267] Preemption disabled at:
[84347.556267] [] get_random_long+0x30/0xc0
[84347.556269] CPU: 0 PID: 12390 Comm: check-support-s Not tainted 
4.9.0-3-rt-amd64 #1 Debian 4.9.25-1
[84347.556270] Hardware name: Dell Inc. OptiPlex 780 /0C27VV, 
BIOS A15 08/06/2013
[84347.556272]   9ed3d8ab 9ee583a0 
bc4303b87c50
[84347.556273]  9eaa4113  9f02153b 
00ff962942b451e8
[84347.556275]  962993469240 9628d479c9c0 9628d479c9c0 
bc4303b87c90
[84347.556275] Call Trace:
[84347.556279]  [] ? dump_stack+0x5c/0x81
[84347.556280]  [] ? get_random_long+0x30/0xc0
[84347.556282]  [] ? __schedule_bug+0x73/0xc0
[84347.556284]  [] ? __schedule+0x4fb/0x5b0
[84347.556285]  [] ? schedule+0x43/0xc0
[84347.556286]  [] ? rt_spin_lock_slowlock+0x1ef/0x340
[84347.556288]  [] ? _extract_crng+0x39/0xa0
[84347.556289]  [] ? get_random_long+0x9b/0xc0
[84347.556290]  [] ? migrate_enable+0x81/0x150
[84347.556291]  [] ? arch_mmap_rnd+0x1d/0x60
[84347.556292]  [] ? arch_pick_mmap_layout+0x161/0x1c0
[84347.556294]  [] ? setup_new_exec+0x21/0x170
[84347.556296]  [] ? load_elf_binary+0x41a/0x1600
[84347.556297]  [] ? get_cached_acl+0x48/0x80
[84347.556299]  [] ? pin_current_cpu+0x76/0x1c0
[84347.556300]  [] ? search_binary_handler+0x9a/0x1e0
[84347.556301]  [] ? do_execveat_common.isra.36+0x5c6/0x7f0
[84347.556303]  [] ? SyS_execve+0x35/0x40
[84347.556304]  [] ? do_syscall_64+0x7c/0xf0
[84347.556306]  [] ? entry_SYSCALL64_slow_path+0x25/0x25
[84347.556943] [ cut here ]
[84347.557919] WARNING: CPU: 0 PID: 12390 at 
/build/linux-JYG8Jz/linux-4.9.25/debian/build/source_rt/kernel/sched/core.c:3301
 get_random_long+0x65/0xc0
[84347.557964] DEBUG_LOCKS_WARN_ON(val > preempt_count())
[84347.557985] Modules linked in:
[84347.558022]  fuse cpuid cpufreq_conservative cpufreq_powersave 
cpufreq_userspace rfkill iTCO_wdt iTCO_vendor_support dell_wmi sparse_keymap 
dell_smbios dcdbas coretemp kvm_intel kvm irqbypass snd_hda_codec_analog 
snd_hda_codec_generic pcspkr serio_raw snd_hda_intel sg snd_hda_codec 
snd_hda_core lpc_ich snd_hwdep snd_pcm_oss mfd_core snd_mixer_oss snd_pcm 
ip6table_filter snd_timer ip6_tables xt_multiport shpchp snd soundcore 
iptable_filter acpi_cpufreq evdev binfmt_misc configfs lru_cache loop ip_tables 
x_tables autofs4 ext4 crc16 jbd2 fscrypto ecb glue_helper lrw gf128mul 
ablk_helper cryptd aes_x86_64 mbcache ses enclosure scsi_transport_sas 
async_memcpy async_xor async_tx xor libcrc32c crc32c_generic uas usb_storage 
hid_generic usbhid hid sd_mod i2c_i801 i2c_smbus ahci libahci ata_generic wmi 
i915
[84347.558239]  video i2c_algo_bit libata drm_kms_helper ehci_pci uhci_hcd drm 
button scsi_mod ehci_hcd usbcore usb_common e1000e ptp pps_core [last unloaded: 
md_mod]
[84347.558285] CPU: 0 PID: 12390 Comm: check-support-s Tainted: GW  
 4.9.0-3-rt-amd64 #1 Debian 4.9.25-1
[84347.558285] Hardware name: Dell Inc. OptiPlex 780 /0C27VV, 
BIOS A15 08/06/2013
[84347.558287]   9ed3d8ab bc4303b87cd0 

[84347.558289]  9ea7b787 962993465ae0 bc4303b87d28 
96293334e700
[84347.558290]   96295900a400 0001 
9ea7b7ff
[84347.558290] Call Trace:
[84347.558292]  [] ? dump_stack+0x5c/0x81
[84347.558294]  [] ? __warn+0xd7/0xf0
[84347.558296]  [] ? warn_slowpath_fmt+0x5f/0x80
[84347.558297]  [] ? get_random_long+0x65/0xc0
[84347.558298]  [] ? arch_mmap_rnd+0x1d/0x60
[84347.558299]  [] ? arch_pick_mmap_layout+0x161/0x1c0
[84347.558301]  [] ? setup_new_exec+0x21/0x170
[84347.558302]  [] ? load_elf_binary+0x41a/0x1600
[84347.558303]  [] ? get_cached_acl+0x48/0x80
[84347.558304]  [] ? pin_current_cpu+0x76/0x1c0
[84347.558306]  [] ? search_binary_handler+0x9a

Bug#861808: linux-image-4.9.0-3-rt-amd64: BUG: scheduling while atomic and val > preempt_count()

2017-05-05 Thread Laurent Bonnaud
Hi again,

I rebooted my system and during boot this other similar bug occurred:

[   32.808532] BUG: scheduling while atomic: hdparm/920/0x0002
[   32.808533] Modules linked in:
[   32.808534]  dcdbas
[   32.808534]  coretemp
[   32.808535]  kvm_intel
[   32.808535]  kvm
[   32.808536]  snd_hda_codec_analog
[   32.808536]  snd_hda_codec_generic
[   32.808537]  irqbypass
[   32.808537]  serio_raw
[   32.808537]  pcspkr
[   32.808538]  snd_hda_intel
[   32.808538]  ip6table_filter
[   32.808539]  ip6_tables
[   32.808539]  xt_multiport
[   32.808540]  snd_hda_codec
[   32.808540]  sg
[   32.808541]  snd_hda_core
[   32.808541]  snd_hwdep
[   32.808541]  snd_pcm_oss
[   32.808542]  lpc_ich
[   32.808542]  mfd_core
[   32.808543]  snd_mixer_oss
[   32.808543]  snd_pcm
[   32.808543]  snd_timer
[   32.808544]  iptable_filter
[   32.808544]  snd
[   32.808545]  soundcore
[   32.808545]  mei_me
[   32.808546]  mei
[   32.808546]  shpchp
[   32.808547]  parport_pc
[   32.808547]  parport
[   32.808547]  evdev
[   32.808548]  binfmt_misc
[   32.808548]  acpi_cpufreq
[   32.808549]  ib_iser
[   32.808550]  rdma_cm
[   32.808550]  iw_cm
[   32.808550]  ib_cm
[   32.808551]  ib_core
[   32.808551]  configfs
[   32.808552]  iscsi_tcp
[   32.808552]  libiscsi_tcp
[   32.808553]  libiscsi
[   32.808553]  scsi_transport_iscsi
[   32.808554]  drbd
[   32.808554]  lru_cache
[   32.808555]  loop
[   32.808555]  dm_crypt
[   32.808555]  ip_tables
[   32.808556]  x_tables
[   32.808556]  autofs4
[   32.808557]  ext4
[   32.808557]  crc16
[   32.808558]  jbd2
[   32.808558]  fscrypto
[   32.808559]  ecb
[   32.808559]  glue_helper
[   32.808559]  lrw
[   32.808560]  gf128mul
[   32.808560]  ablk_helper
[   32.808561]  cryptd
[   32.808561]  aes_x86_64
[   32.808562]  mbcache
[   32.808562]  btrfs
[   32.808563]  ses
[   32.808563]  enclosure
[   32.808563]  scsi_transport_sas
[   32.808564]  raid10
[   32.808564]  raid456
[   32.808565]  async_raid6_recov
[   32.808565]  async_memcpy
[   32.808565]  async_pq
[   32.808566]  async_xor
[   32.808566]  async_tx
[   32.808567]  xor
[   32.808567]  raid6_pq
[   32.808568]  libcrc32c
[   32.808568]  crc32c_generic
[   32.808568]  raid1
[   32.808569]  raid0
[   32.808569]  multipath
[   32.808570]  linear
[   32.808570]  md_mod
[   32.808571]  dm_mirror
[   32.808571]  dm_region_hash
[   32.808572]  dm_log
[   32.808572]  dm_mod
[   32.808572]  uas
[   32.808573]  usb_storage
[   32.808573]  hid_generic
[   32.808574]  usbhid
[   32.808574]  hid
[   32.808574]  sd_mod
[   32.808575]  psmouse
[   32.808575]  i2c_i801
[   32.808576]  i2c_smbus
[   32.808576]  ahci
[   32.808576]  libahci
[   32.808577]  ata_generic
[   32.808577]  i915
[   32.808578]  ehci_pci
[   32.808578]  wmi
[   32.808579]  video
[   32.808579]  i2c_algo_bit
[   32.808579]  libata
[   32.808580]  drm_kms_helper
[   32.808580]  uhci_hcd
[   32.808581]  button
[   32.808581]  scsi_mod
[   32.808581]  ehci_hcd
[   32.808582]  usbcore
[   32.808582]  usb_common
[   32.808583]  drm
[   32.808583]  e1000e
[   32.808584]  ptp
[   32.808584]  pps_core
[   32.808585] Preemption disabled at:
[   32.808589] [] get_random_int+0x2f/0xc0
[   32.808592] CPU: 1 PID: 920 Comm: hdparm Not tainted 4.9.0-3-rt-amd64 #1 
Debian 4.9.25-1
[   32.808592] Hardware name: Dell Inc. OptiPlex 780 /0C27VV, 
BIOS A15 08/06/2013
[   32.808594]  
[   32.808594]  89d3d8ab
[   32.808595]  89e5845f
[   32.808595]  aff2c0fa7c80
[   32.808595]  89aa4113
[   32.808596]  
[   32.808596]  8a02153b
[   32.808596]  00ff89980ff76740
[   32.808597]  8998134e9240
[   32.808597]  aff2c0fa7cc0
[   32.808597]  89980ff76740
[   32.808598]  aff2c0fa7cc0
[   32.808598] Call Trace:
[   32.808603]  [] ? dump_stack+0x5c/0x81
[   32.808604]  [] ? get_random_int+0x2f/0xc0
[   32.808606]  [] ? __schedule_bug+0x73/0xc0
[   32.808608]  [] ? __schedule+0x4fb/0x5b0
[   32.808609]  [] ? schedule+0x43/0xc0
[   32.808610]  [] ? rt_spin_lock_slowlock+0x1ef/0x340
[   32.808611]  [] ? _extract_crng+0x39/0xa0
[   32.808612]  [] ? get_random_int+0x99/0xc0
[   32.808614]  [] ? vm_brk+0x62/0x90
[   32.808616]  [] ? map_vdso_randomized+0x6b/0xa0
[   32.808618]  [] ? load_elf_binary+0xb1b/0x1600
[   32.808620]  [] ? search_binary_handler+0x9a/0x1e0
[   32.808622]  [] ? do_execveat_common.isra.36+0x5c6/0x7f0
[   32.808623]  [] ? SyS_execve+0x35/0x40
[   32.808624]  [] ? do_syscall_64+0x7c/0xf0
[   32.808626]  [] ? entry_SYSCALL64_slow_path+0x25/0x25
[   32.808634] [ cut here ]
[   32.810307] WARNING: CPU: 1 PID: 920 at 
/build/linux-JYG8Jz/linux-4.9.25/debian/build/source_rt/kernel/sched/core.c:3301
 get_random_int+0x63/0xc0
[   32.810352] DEBUG_LOCKS_WARN_ON(val > preempt_count())
[   32.810374] Modules linked in:
[   32.810413]  dcdbas coretemp kvm_intel kvm snd_hda_codec_analog 
snd_hda_codec_generic irqbypass serio_raw pcspkr snd_hda_intel ip6table_filter 
i

Bug#857081: linux-image-4.9.0-2-rt-amd64-unsigned: NOHZ: local_softirq_pending 80

2017-06-08 Thread Laurent Bonnaud
Hi,

this bug is still there in kernel 4.9.30 :

$ uname -a
Linux irancy.iut2.upmf-grenoble.fr 4.9.0-3-rt-amd64 #1 SMP PREEMPT RT Debian 
4.9.30-1 (2017-06-04) x86_64 GNU/Linux

$ dmesg
[...]
[187203.776023] NOHZ: local_softirq_pending 80

-- 
Laurent.



Bug#857081: linux-image-rt-amd64-unsigned: NOHZ: local_softirq_pending 80

2017-06-29 Thread Laurent Bonnaud
Hi,

this bug is still there in kernel 4.11.6 :

$ uname -a
Linux irancy.iut2.upmf-grenoble.fr 4.11.0-1-rt-amd64 #1 SMP PREEMPT RT Debian 
4.11.6-1 (2017-06-19) x86_64 GNU/Linux

$ dmesg
[...]
[690935.587688] NOHZ: local_softirq_pending 80

When this error occurred the system was accessing a btrfs filesystem on a USB 
disk.  Might the problem be in btrfs?

-- 
Laurent.



Bug#832175: WARNING fpu/internal.h:532 fpu__restore

2016-07-23 Thread Laurent Bonnaud
Package: linux-image-4.6.0-1-rt-amd64
Version: 4.6.4-1


Hi,

I decided to give linux-image-rt a try and after a while the kernel displayed 
the following warning message.  The kernel is marked as tainted.  It is not the 
result of a previous fault, but the result of this error:

[1.250921] scsi_mod: module verification failed: signature and/or required 
key missing - tainting kernel

(I read in another bug report that this error is expected until module 
signatures are sorted out in Debian)

Here is the warning message:

[234280.124019] [ cut here ]
[234280.124024] WARNING: CPU: 0 PID: 9306 at 
/build/linux-aOJbQa/linux-4.6.4/debian/build/source_rt/arch/x86/include/asm/fpu/internal.h:532
 fpu__restore+0xbd/0x130
[234280.124045] Modules linked in: xt_multiport(E) cpufreq_conservative(E) 
cpufreq_powersave(E) cpufreq_userspace(E) cpufreq_stats(E) ip6table_filter(E) 
ip6_tables(E) iptable_filter(E) ip_tables(E) x_tables(E) coretemp(E) 
kvm_intel(E) kvm(E) iTCO_wdt(E) iTCO_vendor_support(E) ppdev(E) irqbypass(E) 
evdev(E) dcdbas(E) snd_hda_codec_analog(E) snd_hda_codec_generic(E) pcspkr(E) 
serio_raw(E) i2c_i801(E) lpc_ich(E) mfd_core(E) sg(E) snd_hda_intel(E) 
snd_hda_codec(E) snd_hda_core(E) snd_hwdep(E) snd_pcm_oss(E) i915(E) 
snd_mixer_oss(E) snd_pcm(E) snd_timer(E) snd(E) soundcore(E) video(E) 
drm_kms_helper(E) drm(E) shpchp(E) wmi(E) i2c_algo_bit(E) acpi_cpufreq(E) 
8250_fintek(E) parport_pc(E) parport(E) mei_me(E) mei(E) button(E) tpm_tis(E) 
tpm(E) processor(E) binfmt_misc(E) sunrpc(E) ib_iser(E) rdma_cm(E) iw_cm(E)
[234280.124068]  ib_cm(E) ib_sa(E) ib_mad(E) ib_core(E) ib_addr(E) configfs(E) 
iscsi_tcp(E) libiscsi_tcp(E) libiscsi(E) scsi_transport_iscsi(E) drbd(E) 
lru_cache(E) loop(E) dm_crypt(E) dm_mod(E) autofs4(E) ext4(E) ecb(E) 
glue_helper(E) lrw(E) gf128mul(E) ablk_helper(E) cryptd(E) aes_x86_64(E) 
crc16(E) jbd2(E) mbcache(E) btrfs(E) raid10(E) raid456(E) async_raid6_recov(E) 
async_memcpy(E) async_pq(E) async_xor(E) async_tx(E) xor(E) raid6_pq(E) 
libcrc32c(E) crc32c_generic(E) raid1(E) raid0(E) multipath(E) linear(E) 
md_mod(E) ses(E) enclosure(E) scsi_transport_sas(E) hid_generic(E) usbhid(E) 
hid(E) uas(E) usb_storage(E) sd_mod(E) psmouse(E) ahci(E) libahci(E) 
uhci_hcd(E) ehci_pci(E) ehci_hcd(E) ata_generic(E) usbcore(E) usb_common(E) 
e1000e(E) libata(E) ptp(E) pps_core(E) scsi_mod(E)
[234280.124070] CPU: 0 PID: 9306 Comm: bash Tainted: GE   
4.6.0-1-rt-amd64 #1 Debian 4.6.4-1
[234280.124071] Hardware name: Dell Inc. OptiPlex 780 /0C27VV, 
BIOS A08 01/21/2011
[234280.124073]  0286 8b7a5666 81323946 

[234280.124074]   8107e6f7 8800d8b7d180 
8800d8b7c600
[234280.124075]  8800d8b7d180 8800d8b7d1c0 ffa81a00 
0240
[234280.124075] Call Trace:
[234280.124080]  [] ? dump_stack+0x5c/0x86
[234280.124082]  [] ? __warn+0xd7/0xf0
[234280.124083]  [] ? fpu__restore+0xbd/0x130
[234280.124085]  [] ? __fpu__restore_sig+0x272/0x470
[234280.124087]  [] ? ia32_restore_sigcontext+0x14f/0x170
[234280.124088]  [] ? sys32_sigreturn+0xc6/0xe0
[234280.124091]  [] ? do_int80_syscall_32+0x52/0xa0
[234280.124092]  [] ? entry_INT80_compat+0x36/0x50
[234280.124093] ---[ end trace 0002 ]---


-- 
Laurent.



Bug#843764: WARNING: fpu__restore

2016-11-09 Thread Laurent Bonnaud
Package: src:linux
Version: 4.8.5-1
Severity: normal

Dear Maintainer,

here is a kernel warning I got several times:

[69707.044045] [ cut here ]
[69707.044051] WARNING: CPU: 0 PID: 26963 at 
/build/linux-v2K05A/linux-4.8.5/debian/build/source_rt/arch/x86/include/asm/fpu/internal.h:534
 fpu__restore+0xf5/0x2f0
[69707.044078] Modules linked in: cpuid fuse btrfs raid6_pq xt_multiport 
cpufreq_conservative cpufreq_powersave cpufreq_userspace ip6table_filter 
ip6_tables iptable_filter iTCO_wdt coretemp iTCO_vendor_support kvm_intel kvm 
dcdbas irqbypass pcspkr serio_raw i2c_i801 i2c_smbus sg snd_hda_codec_analog 
snd_hda_codec_generic snd_hda_intel lpc_ich mfd_core snd_hda_codec snd_hda_core 
snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd soundcore shpchp 
mei_me mei evdev acpi_cpufreq tpm_tis_core tpm binfmt_misc sunrpc configfs 
lru_cache loop ip_tables x_tables autofs4 ext4 crc16 jbd2 fscrypto ecb 
glue_helper lrw gf128mul ablk_helper cryptd aes_x86_64 mbcache async_memcpy 
async_xor async_tx xor libcrc32c crc32c_generic ses enclosure 
scsi_transport_sas hid_generic usbhid hid uas usb_storage sd_mod psmouse
[69707.044086]  ahci libahci i915 video i2c_algo_bit ata_generic drm_kms_helper 
ehci_pci uhci_hcd libata wmi ehci_hcd drm e1000e scsi_mod button usbcore ptp 
pps_core usb_common [last unloaded: xfs]
[69707.044088] CPU: 0 PID: 26963 Comm: mandb Not tainted 4.8.0-1-rt-amd64 #1 
Debian 4.8.5-1
[69707.044089] Hardware name: Dell Inc. OptiPlex 780 /0C27VV, 
BIOS A08 01/21/2011
[69707.044091]  0286 a28b2bf3 a213cba7 

[69707.044093]   a1e81c07 8ce7b1bc5600 

[69707.044094]  8ce7b1bc49c0 8ce7b1bc5600 8ce7b1bc5640 
0240
[69707.044094] Call Trace:
[69707.044098]  [] ? dump_stack+0x5c/0x85
[69707.044100]  [] ? __warn+0xd7/0xf0
[69707.044102]  [] ? fpu__restore+0xf5/0x2f0
[69707.044103]  [] ? __fpu__restore_sig+0x269/0x690
[69707.044105]  [] ? __fpu__restore_sig+0x280/0x690
[69707.044106]  [] ? ia32_restore_sigcontext+0x146/0x170
[69707.044107]  [] ? sys32_sigreturn+0xbd/0xd0
[69707.044110]  [] ? do_int80_syscall_32+0x52/0xa0
[69707.044112]  [] ? entry_INT80_compat+0x33/0x40
[69707.044113] ---[ end trace 0002 ]---

This warning occurred twice in a few days with kernel 4.8.0-1-rt-amd64.  I also 
saw it on the same system with a previous 4.x -rt kernel.

I never saw it while running the non -rt flavor on the same system.


-- Package-specific info:
** Version:
Linux version 4.8.0-1-rt-amd64 (debian-kernel@lists.debian.org) (gcc version 
5.4.1 20161019 (Debian 5.4.1-3) ) #1 SMP PREEMPT RT Debian 4.8.5-1 (2016-10-28)

** Command line:
BOOT_IMAGE=/boot/vmlinuz-4.8.0-1-rt-amd64 
root=UUID=cfd58a06-e091-4822-88c2-4b93329bb3d0 ro security=apparmor quiet

** Tainted: W (512)
 * Taint on warning.

** Kernel log:
Unable to read kernel log; any relevant messages should be attached

** Model information
sys_vendor: Dell Inc.
product_name: OptiPlex 780 
product_version: 
chassis_vendor: Dell Inc.
chassis_version: 
bios_vendor: Dell Inc.
bios_version: A08
board_vendor: Dell Inc.
board_name: 0C27VV
board_version: A03

** Loaded modules:
cpuid
fuse
btrfs
raid6_pq
xt_multiport
cpufreq_conservative
cpufreq_powersave
cpufreq_userspace
ip6table_filter
ip6_tables
iptable_filter
iTCO_wdt
coretemp
iTCO_vendor_support
kvm_intel
kvm
dcdbas
irqbypass
pcspkr
serio_raw
i2c_i801
i2c_smbus
sg
snd_hda_codec_analog
snd_hda_codec_generic
snd_hda_intel
lpc_ich
mfd_core
snd_hda_codec
snd_hda_core
snd_hwdep
snd_pcm_oss
snd_mixer_oss
snd_pcm
snd_timer
snd
soundcore
shpchp
mei_me
mei
evdev
acpi_cpufreq
tpm_tis_core
tpm
binfmt_misc
sunrpc
configfs
lru_cache
loop
ip_tables
x_tables
autofs4
ext4
crc16
jbd2
fscrypto
ecb
glue_helper
lrw
gf128mul
ablk_helper
cryptd
aes_x86_64
mbcache
async_memcpy
async_xor
async_tx
xor
libcrc32c
crc32c_generic
ses
enclosure
scsi_transport_sas
hid_generic
usbhid
hid
uas
usb_storage
sd_mod
psmouse
ahci
libahci
i915
video
i2c_algo_bit
ata_generic
drm_kms_helper
ehci_pci
uhci_hcd
libata
wmi
ehci_hcd
drm
e1000e
scsi_mod
button
usbcore
ptp
pps_core
usb_common

** PCI devices:
00:00.0 Host bridge [0600]: Intel Corporation 4 Series Chipset DRAM Controller 
[8086:2e10] (rev 03)
Subsystem: Dell 4 Series Chipset DRAM Controller [1028:0420]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- 

00:02.0 VGA compatible controller [0300]: Intel Corporation 4 Series Chipset 
Integrated Graphics Controller [8086:2e12] (rev 03) (prog-if 00 [VGA 
controller])
Subsystem: Dell 4 Series Chipset Integrated Graphics Controller 
[1028:0420]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >T

Bug#832175: WARNING fpu/internal.h:532 fpu__restore

2017-01-08 Thread Laurent Bonnaud
Hi,

here is another occurrence of this bug with a more recent kernel:

[64222.064017] [ cut here ]
[64222.064022] WARNING: CPU: 1 PID: 10138 at 
/build/linux-zDY19G/linux-4.8.15/debian/build/source_rt/arch/x86/include/asm/fpu/internal.h:534
 fpu__restore+0xf5/0x2f0
[64222.064044] Modules linked in: fuse(E) xt_multiport(E) 
cpufreq_conservative(E) cpufreq_powersave(E) cpufreq_userspace(E) 
ip6table_filter(E) ip6_tables(E) iptable_filter(E) coretemp(E) kvm_intel(E) 
kvm(E) iTCO_wdt(E) iTCO_vendor_support(E) dell_wmi(E) sparse_keymap(E) 
dell_smbios(E) ppdev(E) evdev(E) irqbypass(E) dcdbas(E) snd_hda_codec_analog(E) 
snd_hda_codec_generic(E) pcspkr(E) serio_raw(E) lpc_ich(E) sg(E) mfd_core(E) 
snd_hda_intel(E) i915(E) snd_hda_codec(E) snd_hda_core(E) snd_hwdep(E) 
snd_pcm_oss(E) snd_mixer_oss(E) snd_pcm(E) snd_timer(E) snd(E) shpchp(E) 
soundcore(E) video(E) drm_kms_helper(E) drm(E) i2c_algo_bit(E) acpi_cpufreq(E) 
tpm_tis(E) mei_me(E) tpm_tis_core(E) wmi(E) parport_pc(E) parport(E) button(E) 
mei(E) tpm(E) binfmt_misc(E) ib_iser(E) rdma_cm(E) iw_cm(E) ib_cm(E) ib_core(E)
[64222.064067]  configfs(E) iscsi_tcp(E) libiscsi_tcp(E) libiscsi(E) 
scsi_transport_iscsi(E) drbd(E) lru_cache(E) loop(E) dm_crypt(E) dm_mod(E) 
ip_tables(E) x_tables(E) autofs4(E) ext4(E) crc16(E) jbd2(E) fscrypto(E) ecb(E) 
glue_helper(E) lrw(E) gf128mul(E) ablk_helper(E) cryptd(E) aes_x86_64(E) 
mbcache(E) btrfs(E) raid10(E) raid456(E) async_raid6_recov(E) async_memcpy(E) 
async_pq(E) async_xor(E) async_tx(E) xor(E) raid6_pq(E) libcrc32c(E) 
crc32c_generic(E) raid1(E) raid0(E) multipath(E) linear(E) md_mod(E) ses(E) 
enclosure(E) scsi_transport_sas(E) hid_generic(E) usbhid(E) hid(E) uas(E) 
usb_storage(E) sd_mod(E) psmouse(E) i2c_i801(E) i2c_smbus(E) ahci(E) libahci(E) 
ata_generic(E) uhci_hcd(E) ehci_pci(E) libata(E) ehci_hcd(E) e1000e(E) ptp(E) 
pps_core(E) scsi_mod(E) usbcore(E) usb_common(E)
[64222.064069] CPU: 1 PID: 10138 Comm: bash Tainted: GE   
4.8.0-2-rt-amd64 #1 Debian 4.8.15-2
[64222.064070] Hardware name: Dell Inc. OptiPlex 780 /0C27VV, 
BIOS A08 01/21/2011
[64222.064072]  0286 1006c774 9af35f17 

[64222.064074]   9ac7a9c7 9c703b88c740 

[64222.064075]  9c703b88bb00 9c703b88c740 9c703b88c780 
0240
[64222.064075] Call Trace:
[64222.064080]  [] ? dump_stack+0x5c/0x85
[64222.064082]  [] ? __warn+0xd7/0xf0
[64222.064084]  [] ? fpu__restore+0xf5/0x2f0
[64222.064085]  [] ? __fpu__restore_sig+0x280/0x690
[64222.064087]  [] ? ia32_restore_sigcontext+0x146/0x170
[64222.064088]  [] ? sys32_sigreturn+0xbd/0xd0
[64222.064090]  [] ? do_int80_syscall_32+0x52/0xa0
[64222.064092]  [] ? entry_INT80_compat+0x33/0x40
[64222.064093] ---[ end trace 0002 ]---

The kernel is still tainted, not because I am doing unsafe things with it, but 
because of this:

# dmesg | grep taint
[1.213087] usb_common: module verification failed: signature and/or 
required key missing - tainting kernel

-- 
Laurent.



Bug#852620: linux: activate CONFIG_LEGACY_VSYSCALL_NONE ?

2017-01-25 Thread Laurent Bonnaud
Package: linux
Version: 4.9.2-2
Severity: wishlist

Hi,

current Linux kernels in Debian are compiled with 
CONFIG_LEGACY_VSYSCALL_EMULATE:

$ grep LEGACY_VSYSCALL /boot/config-4.9.0-1-*
/boot/config-4.9.0-1-amd64:# CONFIG_LEGACY_VSYSCALL_NATIVE is not set
/boot/config-4.9.0-1-amd64:CONFIG_LEGACY_VSYSCALL_EMULATE=y
/boot/config-4.9.0-1-amd64:# CONFIG_LEGACY_VSYSCALL_NONE is not set
/boot/config-4.9.0-1-rt-amd64:# CONFIG_LEGACY_VSYSCALL_NATIVE is not set
/boot/config-4.9.0-1-rt-amd64:CONFIG_LEGACY_VSYSCALL_EMULATE=y
/boot/config-4.9.0-1-rt-amd64:# CONFIG_LEGACY_VSYSCALL_NONE is not set

According to this post:
  https://outflux.net/blog/archives/2016/09/27/security-things-in-linux-v4-4/

this option weakens the kernel, details here:
  
https://googleprojectzero.blogspot.fr/2015/08/three-bypasses-and-fix-for-one-of.html

Since Debian has a recent enough glibc since at least jessie, could you please 
activate the CONFIG_LEGACY_VSYSCALL_NONE option ?

I am running a test system with the vsyscall=none kernel parameter and saw no 
problem.

See also this page:
  https://kernsec.org/wiki/index.php/Kernel_Self_Protection_Project

Thanks,

-- 
Laurent.



Bug#852620: linux: activate CONFIG_LEGACY_VSYSCALL_NONE ?

2017-01-25 Thread Laurent Bonnaud
On 25/01/2017 18:25, Ben Hutchings wrote:

> it will be safe to make this change after the stretch release.

Great !  So I am looking forward to the stretch release :>...

Thanks again,

-- 
Laurent.



Bug#920177: linux-image-4.19.0-2-rt-amd64-unsigned: BUG while removing the sunrpc module

2019-01-22 Thread Laurent Bonnaud
Subject: linux-image-4.19.0-2-rt-amd64-unsigned: BUG
Package: src:linux
Version: 4.19.16-1
Severity: normal


Dear Maintainer,

I was trying to remove the sunrpc module from the kernel and got the following 
BUG and backtrace.

Note that the kernel is tainted because of this previous error that is 
unrelated:

[1.514708] button: module verification failed: signature and/or required 
key missing - tainting kernel

[  204.858131] RPC: Unregistered named UNIX socket transport module.
[  204.858134] RPC: Unregistered udp transport module.
[  204.858136] RPC: Unregistered tcp transport module.
[  204.858137] RPC: Unregistered tcp NFSv4.1 backchannel transport module.
[  204.859248] 
=
[  204.859251] BUG rpc_inode_cache (Tainted: GE): Objects 
remaining in rpc_inode_cache on __kmem_cache_shutdown() 

[  204.859251] 
-

[  204.859252] Disabling lock debugging due to kernel taint
[  204.859255] INFO: Slab 0x006c197c objects=18 used=13 
fp=0xa584567e flags=0x17fffc08100
[  204.859259] CPU: 0 PID: 3633 Comm: rmmod Tainted: GB   E 
4.19.0-2-rt-amd64 #1 Debian 4.19.16-1
[  204.859260] Hardware name: Dell Inc. OptiPlex 7010/0KRC95, BIOS A29 
06/28/2018
[  204.859261] Call Trace:
[  204.859269]  dump_stack+0x5c/0x80
[  204.859273]  slab_err+0xb0/0xd4
[  204.859277]  ? cpumask_next+0x16/0x20
[  204.859279]  ? flush_all+0x66/0x100
[  204.859282]  __kmem_cache_shutdown.cold.103+0x1c/0x26
[  204.859287]  shutdown_cache+0x15/0x1c0
[  204.859290]  kmem_cache_destroy+0x216/0x240
[  204.859316]  unregister_rpc_pipefs+0x16/0x30 [sunrpc]
[  204.859334]  cleanup_sunrpc+0x1e/0x39 [sunrpc]
[  204.859337]  __x64_sys_delete_module+0x190/0x2c0
[  204.859341]  do_syscall_64+0x53/0x100
[  204.859346]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  204.859349] RIP: 0033:0x7f43fb8a00f7
[  204.859351] Code: 73 01 c3 48 8b 0d 99 0d 0c 00 f7 d8 64 89 01 48 83 c8 ff 
c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 b0 00 00 00 0f 05 <48> 3d 01 
f0 ff ff 73 01 c3 48 8b 0d 69 0d 0c 00 f7 d8 64 89 01 48
[  204.859354] RSP: 002b:7ffc4236d208 EFLAGS: 0206 ORIG_RAX: 
00b0
[  204.859356] RAX: ffda RBX: 55a14f7eb220 RCX: 7f43fb8a00f7
[  204.859357] RDX: 000a RSI: 0800 RDI: 55a14f7eb288
[  204.859358] RBP:  R08: 7ffc4236c181 R09: 
[  204.859359] R10: 7f43fb911ae0 R11: 0206 R12: 7ffc4236d430
[  204.859360] R13: 7ffc4236ec4b R14: 55a14f7ea010 R15: 55a14f7eb220
[  204.859363] kmem_cache_destroy rpc_inode_cache: Slab cache still has objects
[  204.859621] CPU: 0 PID: 3633 Comm: rmmod Tainted: GB   E 
4.19.0-2-rt-amd64 #1 Debian 4.19.16-1
[  204.859622] Hardware name: Dell Inc. OptiPlex 7010/0KRC95, BIOS A29 
06/28/2018
[  204.859623] Call Trace:
[  204.859626]  dump_stack+0x5c/0x80
[  204.859629]  kmem_cache_destroy+0x233/0x240
[  204.859647]  unregister_rpc_pipefs+0x16/0x30 [sunrpc]
[  204.859664]  cleanup_sunrpc+0x1e/0x39 [sunrpc]
[  204.859666]  __x64_sys_delete_module+0x190/0x2c0
[  204.859670]  do_syscall_64+0x53/0x100
[  204.859673]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  204.859675] RIP: 0033:0x7f43fb8a00f7
[  204.859677] Code: 73 01 c3 48 8b 0d 99 0d 0c 00 f7 d8 64 89 01 48 83 c8 ff 
c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 b0 00 00 00 0f 05 <48> 3d 01 
f0 ff ff 73 01 c3 48 8b 0d 69 0d 0c 00 f7 d8 64 89 01 48
[  204.859678] RSP: 002b:7ffc4236d208 EFLAGS: 0206 ORIG_RAX: 
00b0
[  204.859679] RAX: ffda RBX: 55a14f7eb220 RCX: 7f43fb8a00f7
[  204.859680] RDX: 000a RSI: 0800 RDI: 55a14f7eb288
[  204.859681] RBP:  R08: 7ffc4236c181 R09: 
[  204.859682] R10: 7f43fb911ae0 R11: 0206 R12: 7ffc4236d430
[  204.859683] R13: 7ffc4236ec4b R14: 55a14f7ea010 R15: 55a14f7eb220

-- Package-specific info:
** Version:
Linux version 4.19.0-2-rt-amd64 (debian-kernel@lists.debian.org) (gcc version 
8.2.0 (Debian 8.2.0-14)) #1 SMP PREEMPT RT Debian 4.19.16-1 (2019-01-17)

** Command line:
BOOT_IMAGE=/boot/vmlinuz-4.19.0-2-rt-amd64 
root=UUID=c27a1c2e-4689-49ec-ab55-bba0dae046dc ro vsyscall=none 
security=apparmor intel_iommu=on quiet

** Tainted: BE (8224)
 * System has hit bad_page.
 * Unsigned module has been loaded.

** Model information
sys_vendor: Dell Inc.
product_name: OptiPlex 7010
product_version: 01
chassis_vendor: Dell Inc.
chassis_version: 
bios_vendor: Dell Inc.
bios_version: A29
board_vendor: Dell Inc.
board_name: 0KRC95
board_version: A02

** Loaded modules:
cpufreq_conservative(E)
cpufreq_userspace(E)
cpufreq_powersave(E)
intel_rapl(E)
intel_powerclamp(E)
coretemp(E)
kvm_

Bug#898060: RPC request reserved 84 but used 180

2019-02-18 Thread Laurent Bonnaud
Hi,

I tested the latest kernel from sid on a Debian stretch NFS server and I am 
still seeing those errors:

# uname -a
Linux xxx 4.19.0-3-amd64 #1 SMP Debian 4.19.20-1 (2019-02-11) x86_64 GNU/Linux

# dmesg | grep RPC
[3.771107] RPC: Registered named UNIX socket transport module.
[3.771107] RPC: Registered udp transport module.
[3.771108] RPC: Registered tcp transport module.
[3.771108] RPC: Registered tcp NFSv4.1 backchannel transport module.
[10935.178313] RPC request reserved 228 but used 420
[17600.583217] RPC request reserved 228 but used 368
[22343.748585] RPC request reserved 228 but used 368
[24651.947073] RPC request reserved 228 but used 368
[24701.408918] RPC request reserved 228 but used 368
[37470.043890] RPC request reserved 228 but used 368
[104256.308825] RPC request reserved 228 but used 368
[107048.398632] RPC request reserved 228 but used 368
[108543.686081] RPC request reserved 228 but used 368
[210531.371532] RPC request reserved 148 but used 468
[362822.294773] RPC request reserved 228 but used 368
[370389.005118] RPC request reserved 228 but used 368
[387965.206640] RPC request reserved 228 but used 368
[388109.336304] RPC request reserved 228 but used 368
[388329.055197] RPC request reserved 228 but used 368
[388453.648963] RPC request reserved 228 but used 368
[388568.098433] RPC request reserved 228 but used 368
[388619.549655] RPC request reserved 228 but used 368
[391940.696269] RPC request reserved 228 but used 368

-- 
Laurent.



Bug#920177: linux-image-amd64-rt: BUG while removing the sunrpc module

2019-03-18 Thread Laurent Bonnaud
Hi,

the bug is still there in this package version:

Source: linux-signed-amd64 (4.19.28+2)
Version: 4.19.28-2

[  311.093489] RPC: Unregistered named UNIX socket transport module.
[  311.093493] RPC: Unregistered udp transport module.
[  311.093494] RPC: Unregistered tcp transport module.
[  311.093494] RPC: Unregistered tcp NFSv4.1 backchannel transport module.
[  311.093546] 
=
[  311.093548] BUG rpc_inode_cache (Not tainted): Objects remaining in 
rpc_inode_cache on __kmem_cache_shutdown()
[  311.093548] 
-

[  311.093549] Disabling lock debugging due to kernel taint
[  311.093551] INFO: Slab 0xf538f3cb objects=18 used=13 
fp=0x36f8e292 flags=0x17fffc08100
[  311.093554] CPU: 0 PID: 2939 Comm: rmmod Tainted: GB 
4.19.0-4-rt-amd64 #1 Debian 4.19.28-2
[  311.093555] Hardware name: Dell Inc. OptiPlex 7010/0KRC95, BIOS A29 
06/28/2018
[  311.093555] Call Trace:
[  311.093564]  dump_stack+0x5c/0x80
[  311.093568]  slab_err+0xb0/0xd4
[  311.093572]  ? cpumask_next+0x16/0x20
[  311.093574]  ? flush_all+0x66/0x100
[  311.093576]  __kmem_cache_shutdown.cold.103+0x1c/0x26
[  311.093581]  shutdown_cache+0x15/0x1c0
[  311.093583]  kmem_cache_destroy+0x216/0x240
[  311.093603]  unregister_rpc_pipefs+0x16/0x30 [sunrpc]
[  311.093617]  cleanup_sunrpc+0x1e/0x39 [sunrpc]
[  311.093620]  __x64_sys_delete_module+0x190/0x2c0
[  311.093623]  do_syscall_64+0x53/0x100
[  311.093626]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  311.093628] RIP: 0033:0x7f4dd72d8137
[  311.093630] Code: 73 01 c3 48 8b 0d 59 0d 0c 00 f7 d8 64 89 01 48 83 c8 ff 
c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 b0 00 00 00 0f 05 <48> 3d 01 
f0 ff ff 73 01 c3 48 8b 0d 29 0d 0c 00 f7 d8 64 89 01 48
[  311.093631] RSP: 002b:7ffce99a5c78 EFLAGS: 0206 ORIG_RAX: 
00b0
[  311.093633] RAX: ffda RBX: 557deefcf220 RCX: 7f4dd72d8137
[  311.093634] RDX: 000a RSI: 0800 RDI: 557deefcf288
[  311.093634] RBP:  R08: 7ffce99a4bf1 R09: 
[  311.093635] R10: 7f4dd7349ae0 R11: 0206 R12: 7ffce99a5ea0
[  311.093636] R13: 7ffce99a6c31 R14: 557deefce010 R15: 557deefcf220
[  311.093638] kmem_cache_destroy rpc_inode_cache: Slab cache still has objects
[  311.099909] CPU: 0 PID: 2939 Comm: rmmod Tainted: GB 
4.19.0-4-rt-amd64 #1 Debian 4.19.28-2
[  311.099910] Hardware name: Dell Inc. OptiPlex 7010/0KRC95, BIOS A29 
06/28/2018
[  311.099910] Call Trace:
[  311.099915]  dump_stack+0x5c/0x80
[  311.099919]  kmem_cache_destroy+0x233/0x240
[  311.099937]  unregister_rpc_pipefs+0x16/0x30 [sunrpc]
[  311.099950]  cleanup_sunrpc+0x1e/0x39 [sunrpc]
[  311.099952]  __x64_sys_delete_module+0x190/0x2c0
[  311.099957]  do_syscall_64+0x53/0x100
[  311.099959]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  311.099961] RIP: 0033:0x7f4dd72d8137
[  311.099963] Code: 73 01 c3 48 8b 0d 59 0d 0c 00 f7 d8 64 89 01 48 83 c8 ff 
c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 b0 00 00 00 0f 05 <48> 3d 01 
f0 ff ff 73 01 c3 48 8b 0d 29 0d 0c 00 f7 d8 64 89 01 48
[  311.099964] RSP: 002b:7ffce99a5c78 EFLAGS: 0206 ORIG_RAX: 
00b0
[  311.099965] RAX: ffda RBX: 557deefcf220 RCX: 7f4dd72d8137
[  311.099966] RDX: 000a RSI: 0800 RDI: 557deefcf288
[  311.099967] RBP:  R08: 7ffce99a4bf1 R09: 
[  311.099967] R10: 7f4dd7349ae0 R11: 0206 R12: 7ffce99a5ea0
[  311.099968] R13: 7ffce99a6c31 R14: 557deefce010 R15: 557deefcf220

-- 
Laurent.



Bug#898060: RPC request reserved 84 but used 272

2019-04-10 Thread Laurent Bonnaud
Hi,

the bug is still present in the latest 4.19 kernel available in Debian:

# uname -a
Linux erebus4 4.19.0-4-amd64 #1 SMP Debian 4.19.28-2 (2019-03-15) x86_64 
GNU/Linux

# dmesg | grep RPC
[3.742768] systemd[1]: Listening on RPCbind Server Activation Socket.
[3.775310] RPC: Registered named UNIX socket transport module.
[3.775311] RPC: Registered udp transport module.
[3.775311] RPC: Registered tcp transport module.
[3.775312] RPC: Registered tcp NFSv4.1 backchannel transport module.
[17262.934669] RPC request reserved 228 but used 368
[17358.306369] RPC request reserved 228 but used 368
[24740.484446] RPC request reserved 148 but used 368
[24741.704647] RPC request reserved 228 but used 368
[26146.799347] RPC request reserved 228 but used 368
[28062.750494] RPC request reserved 228 but used 368
[35307.284580] RPC request reserved 228 but used 368
[35312.033280] RPC request reserved 228 but used 368
[38588.762063] RPC request reserved 228 but used 368
[49064.144596] RPC request reserved 228 but used 468
[103915.176964] RPC request reserved 228 but used 420
[...]

-- 
Laurent.



Bug#890343: The Debian kernel could use the fq_codel network queuing algorithm by default

2019-04-10 Thread Laurent Bonnaud
Hi,

this "bug" still exists in the latest 4.19 kernel in Debian:

# uname -a
Linux irancy 4.19.0-4-amd64 #1 SMP Debian 4.19.28-2 (2019-03-15) x86_64 
GNU/Linux

# ip addr
[...]
2: eth0:  mtu 1500 qdisc pfifo_fast state UP 
group default qlen 1000

-- 
Laurent.



Bug#422182: linux-image-2.6-686: not installable in sid

2007-05-03 Thread Laurent Bonnaud
Package: linux-image-2.6-686
Version: 2.6.18+6
Severity: grave
Justification: renders package unusable


Hi,

now that kernel 2.6.18 has been removed from sid, could you please
update the metapackages to depend on 2.6.20 or 2.6.21 kernels ?

# apt-get install linux-image-2.6-686
Reading package lists... Done
Building dependency tree... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.

Since you only requested a single operation it is extremely likely that
the package is simply not installable and a bug report against
that package should be filed.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
  linux-image-2.6-686: Depends: linux-image-2.6.18-4-686 but it is not 
installable
E: Broken packages


-- System Information:
Debian Release: lenny/sid
  APT prefers unstable
  APT policy: (100, 'unstable'), (99, 'experimental')
Architecture: i386 (i686)

Kernel: Linux 2.6.20-1-686 (SMP w/1 CPU core)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages linux-image-2.6-686 depends on:
pn  linux-image-2.6.18-4-686   (no description available)

linux-image-2.6-686 recommends no packages.


-- 
To UNSUBSCRIBE, email to [EMAIL PROTECTED]
with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]



Bug#353002: linux-image-2.6.15-1-686: oops in find_get_pages (kswapd)

2006-02-15 Thread Laurent Bonnaud
Package: kernel
Version: 2.6.15-6
Severity: important


Hi,

here is the problem:

Feb 14 23:35:39 pc-dg-105-2 kernel: Unable to handle kernel NULL pointer 
dereference at virtual address 0800
Feb 14 23:35:39 pc-dg-105-2 kernel:  printing eip:
Feb 14 23:35:39 pc-dg-105-2 kernel: c0130583
Feb 14 23:35:39 pc-dg-105-2 kernel: *pde = 
Feb 14 23:35:39 pc-dg-105-2 kernel: Oops:  [#1]
Feb 14 23:35:39 pc-dg-105-2 kernel: Modules linked in: radeon drm binfmt_misc 
ipv6 nfs lockd nfs_acl sunrpc lm85 hwmon_vid e100 vfat fat
usbmouse usb_storage ohci_hcd usbhid snd_intel8x0 snd_ac97_codec snd_ac97_bus 
snd_pcm_oss snd_mixer_oss snd_pcm 3c59x mii snd_timer snd h
w_random joydev psmouse i2c_i801 ide_cd serio_raw ata_piix libata scsi_mod 
cdrom floppy i2c_core shpchp pci_hotplug parport_pc parport pc
spkr uhci_hcd intel_agp agpgart ehci_hcd usbcore soundcore rtc snd_page_alloc 
ext3 jbd mbcache ide_disk generic ide_generic piix ide_core
 evdev mousedev
Feb 14 23:35:39 pc-dg-105-2 kernel: CPU:0
Feb 14 23:35:39 pc-dg-105-2 kernel: EIP:0060:[find_get_pages+42/69]Not 
tainted VLI
Feb 14 23:35:39 pc-dg-105-2 kernel: EFLAGS: 00210093   (2.6.15-1-686)
Feb 14 23:35:39 pc-dg-105-2 kernel: EIP is at find_get_pages+0x2a/0x45
Feb 14 23:35:39 pc-dg-105-2 kernel: eax: 80010028   ebx: 0009   ecx: 
c165deb4   edx: 0800
Feb 14 23:35:39 pc-dg-105-2 kernel: esi: 000e   edi: 000e   ebp: 
0062   esp: c165de54
Feb 14 23:35:39 pc-dg-105-2 kernel: ds: 007b   es: 007b   ss: 0068
Feb 14 23:35:39 pc-dg-105-2 kernel: Process kswapd0 (pid: 128, 
threadinfo=c165c000 task=dfe73550)
Feb 14 23:35:39 pc-dg-105-2 kernel: Stack: c165de88 0078 c0137e52 c3889b28 
0078 000e c165de90 c116cf40
Feb 14 23:35:39 pc-dg-105-2 kernel:c01381a8 c165de88 c3889b28 0078 
000e   c12f5760
Feb 14 23:35:39 pc-dg-105-2 kernel:c1040da0 c1329980 c12cd680 c110d920 
c116a200 c12dbd60 c12b0280 c1077760
Feb 14 23:35:39 pc-dg-105-2 kernel: Call Trace:
Feb 14 23:35:39 pc-dg-105-2 kernel:  [pagevec_lookup+26/33] 
pagevec_lookup+0x1a/0x21
Feb 14 23:35:39 pc-dg-105-2 kernel:  [invalidate_mapping_pages+152/173] 
invalidate_mapping_pages+0x98/0xad
Feb 14 23:35:39 pc-dg-105-2 kernel:  [invalidate_inode_pages+13/17] 
invalidate_inode_pages+0xd/0x11
Feb 14 23:35:39 pc-dg-105-2 kernel:  [prune_icache+176/336] 
prune_icache+0xb0/0x150
Feb 14 23:35:39 pc-dg-105-2 kernel:  [shrink_icache_memory+24/48] 
shrink_icache_memory+0x18/0x30
Feb 14 23:35:39 pc-dg-105-2 kernel:  [shrink_slab+219/317] 
shrink_slab+0xdb/0x13d
Feb 14 23:35:39 pc-dg-105-2 kernel:  [balance_pgdat+508/788] 
balance_pgdat+0x1fc/0x314
Feb 14 23:35:39 pc-dg-105-2 kernel:  [kswapd+198/203] kswapd+0xc6/0xcb
Feb 14 23:35:39 pc-dg-105-2 kernel:  [autoremove_wake_function+0/58] 
autoremove_wake_function+0x0/0x3a
Feb 14 23:35:39 pc-dg-105-2 kernel:  [kswapd+0/203] kswapd+0x0/0xcb
Feb 14 23:35:39 pc-dg-105-2 kernel:  [kernel_thread_helper+5/11] 
kernel_thread_helper+0x5/0xb
Feb 14 23:35:39 pc-dg-105-2 kernel: Code: c3 56 53 8b 5c 24 18 fa 8b 44 24 0c 
ff 74 24 14 ff 74 24 14 83 c0 04 53 50 e8 89 37 07 00 89 d9
 31 db 89 c6 83 c4 10 eb 13 8b 11 <8b> 02 f6 c4 40 74 03 8b 52 0c ff 42 04 43 
83 c1 04 39 f3 72 e9


This bug looks very much like bug #284783.

It would deserve a "grave" severity (because it causes data loss in
unsaved files) but it is the first time I see it and it does not seem
to occur very frequently.


-- System Information:
Debian Release: testing/unstable
  APT prefers unstable
  APT policy: (100, 'unstable'), (99, 'experimental')
Architecture: i386 (i686)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.15-1-686
Locale: [EMAIL PROTECTED], [EMAIL PROTECTED] (charmap=ISO-8859-15)

Versions of packages linux-image-2.6.15-1-686 depends on:
ii  initramfs-tools [linux-initra 0.51   tools for generating an initramfs
ii  module-init-tools 3.2.2-2tools for managing Linux kernel mo
ii  yaird [linux-initramfs-tool]  0.0.12-3   Yet Another mkInitRD

Versions of packages linux-image-2.6.15-1-686 recommends:
ii  libc6-i6862.3.6-1GNU C Library: Shared libraries [i


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Bug#356074: linux-image-2.6.15-1-686: assertion failures in net/core/stream.c and net/ipv4/af_inet.c

2006-03-09 Thread Laurent Bonnaud
Package: kernel
Version: 2.6.15-8
Severity: important


Hi,

here is the problem:

$ dmesg
[...]
KERNEL: assertion (!sk->sk_forward_alloc) failed at net/core/stream.c (279)
KERNEL: assertion (!sk->sk_forward_alloc) failed at net/ipv4/af_inet.c (148)

I have found similar reports here:

  http://lkml.org/lkml/2006/2/7/53
  http://oss.sgi.com/projects/netdev/archive/2004-11/msg00608.html

with comments from kernel developers, but nothing conclusive.

Here is the harware on this server:

$ lspci
:00:00.0 Host bridge: Intel Corp. E7500 Memory Controller Hub (rev 03)
:00:00.1 ff00: Intel Corp. E7500/E7501 Host RASUM Controller (rev 03)
:00:03.0 PCI bridge: Intel Corp. E7500/E7501 Hub Interface C PCI-to-PCI 
Bridge (rev 03)
:00:03.1 ff00: Intel Corp. E7500/E7501 Hub Interface C RASUM Controller 
(rev 03)
:00:1d.0 USB Controller: Intel Corp. 82801CA/CAM USB (Hub #1) (rev 02)
:00:1d.1 USB Controller: Intel Corp. 82801CA/CAM USB (Hub #2) (rev 02)
:00:1e.0 PCI bridge: Intel Corp. 82801 PCI Bridge (rev 42)
:00:1f.0 ISA bridge: Intel Corp. 82801CA LPC Interface Controller (rev 02)
:00:1f.1 IDE interface: Intel Corp. 82801CA Ultra ATA Storage Controller 
(rev 02)
:00:1f.3 SMBus: Intel Corp. 82801CA/CAM SMBus Controller (rev 02)
:01:0c.0 VGA compatible controller: ATI Technologies Inc Rage XL (rev 27)
:02:1c.0 PIC: Intel Corp. 82870P2 P64H2 I/OxAPIC (rev 03)
:02:1d.0 PCI bridge: Intel Corp. 82870P2 P64H2 Hub PCI Bridge (rev 03)
:02:1e.0 PIC: Intel Corp. 82870P2 P64H2 I/OxAPIC (rev 03)
:02:1f.0 PCI bridge: Intel Corp. 82870P2 P64H2 Hub PCI Bridge (rev 03)
:03:07.0 Ethernet controller: Intel Corp. 82546EB Gigabit Ethernet 
Controller (Copper) (rev 01)
:03:07.1 Ethernet controller: Intel Corp. 82546EB Gigabit Ethernet 
Controller (Copper) (rev 01)
:03:08.0 RAID bus controller: 3ware Inc 3ware 7000-series ATA-RAID (rev 01)

# ethtool -k eth0
Offload parameters for eth0:
rx-checksumming: on
tx-checksumming: on
scatter-gather: on
tcp segmentation offload: on


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Bug#357283: linux-image-2.6.15-1-amd64-k8: kernel crash in ata_poll_qc_complete in libata

2006-03-16 Thread Laurent . Bonnaud
Package: kernel
Version: 2.6.15-8
Severity: important


Hi,

this system has an Asus A8V motherboard with an integrated 2 channels
SATA controller.  It has 2 SATA disks (/dev/sda and /dev/sdb) that are
assembled in a RAID1 array (/dev/md0).

A few days ago I mistakingly unplugged the power connector of one of
the disks while the machine was running, but did not noticed it
immediately.  The RAID array continued to run in degraded mode.  Then
I tried to see what had happened with the failed disk and ran some
commands such as smartctl, hddtemp, ...  The kernel displayed many
error messages such as this one:

Mar 15 07:54:08 jophur kernel: ata1: command 0xb0 timeout, stat 0xd0 host_stat 
0x0
Mar 15 07:54:08 jophur kernel: ata1: translated ATA stat/err 0xd0/00 to SCSI 
SK/ASC/ASCQ 0xb/47/00
Mar 15 07:54:08 jophur kernel: ata1: status=0xd0 { Busy }
Mar 15 07:54:35 jophur kernel: ata1: PIO error

Then, at some point, the machine locked-up and later I found this dump
in the logs:

Mar 15 07:54:35 jophur kernel: Assertion failed! qc != 
NULL,drivers/scsi/libata-core.c,ata_pio_error,line=3244
Mar 15 07:54:35 jophur kernel: Unable to handle kernel NULL pointer dereference 
at  RIP:
Mar 15 07:54:35 jophur kernel: 
{:libata:ata_poll_qc_complete+14}
Mar 15 07:54:35 jophur kernel: PGD 2d166067 PUD 2d162067 PMD 0
Mar 15 07:54:35 jophur kernel: Oops:  [1]
Mar 15 07:54:35 jophur kernel: CPU 0
Mar 15 07:54:35 jophur kernel: Modules linked in: hfs nls_utf8 hfsplus 
nls_iso8859_1 ntfs vfat fat isofs udf ipt
able_nat ip_nat ip_conntrack nfnetlink iptable_mangle nvidia binfmt_misc 
iptable_filter button ac battery ip_tab
les sr_mod w83627hf hwmon_vid i2c_isa cpufreq_userspace powernow_k8 freq_table 
ipv6 sk98lin sbp2 eth1394 cx88_bl
ackbird cx88_dvb cx8802 mt352 or51132 video_buf_dvb dvb_core nxt200x lgdt330x 
cx22702 snd_bt87x bt878 dvb_pll sn
d_ice1724 snd_ice17xx_ak4xxx snd_ac97_codec snd_ac97_bus snd_ak4114 snd_pcm_oss 
snd_mixer_oss parport_pc snd_pcm
 snd_timer snd_page_alloc snd_ak4xxx_adda parport snd_mpu401_uart serio_raw 
tuner snd_rawmidi snd_seq_device tva
udio psmouse cx8800 cx88xx msp3400 bttv firmware_class snd video_buf ir_common 
i2c_algo_bit v4l1_compat v4l2_com
mon tveeprom i2c_core btcx_risc videodev floppy soundcore shpchp pci_hotplug 
ohci1394 ieee1394 pcspkr joydev evd
ev ext3 jbd mbcache usbhid ide_cd cdrom ide_disk ide_generic sd_mod ehci_hcd 
sata_promise sata_via uhci_hcd via8
2cxxx generic ide_
Mar 15 07:54:35 jophur kernel: ore skge libata scsi_mod thermal processor fan 
raid1 md_mod
Mar 15 07:54:35 jophur kernel: Pid: 1066, comm: ata/0 Tainted: PF 
2.6.15-1-amd64-k8 #2
Mar 15 07:54:35 jophur kernel: RIP: 0010:[_end+130424765/2132885504] 
{:libata:ata_poll_qc_complete+14}
Mar 15 07:54:35 jophur kernel: RSP: 0018:81003ddffe08  EFLAGS: 00010296
Mar 15 07:54:35 jophur kernel: RAX: 0056 RBX:  RCX: 
00026555
Mar 15 07:54:35 jophur kernel: RDX: ff01 RSI: 0004 RDI: 

Mar 15 07:54:35 jophur kernel: RBP: 0002 R08:  R09: 
0020
Mar 15 07:54:35 jophur kernel: R10:  R11: 0004 R12: 
81003dcc3440
Mar 15 07:54:35 jophur kernel: R13:  R14: 0004 R15: 

Mar 15 07:54:35 jophur kernel: FS:  2aadac80() 
GS:803bd800() knlGS:57400bb0
Mar 15 07:54:35 jophur kernel: CS:  0010 DS: 0018 ES: 0018 CR0: 8005003b
Mar 15 07:54:35 jophur kernel: CR2:  CR3: 2ca26000 CR4: 
06e0
Mar 15 07:54:35 jophur kernel: Process ata/0 (pid: 1066, threadinfo 
81003ddfe000, task 81003dd5af60)
Mar 15 07:54:35 jophur kernel: Stack:  0002 
81003dcc3440 8013a091
Mar 15 07:54:35 jophur kernel:802bf765 8804e898 
81003dda1c18 8013a091
Mar 15 07:54:35 jophur kernel:802bf765 81003dd3fec0
Mar 15 07:54:35 jophur kernel: Call Trace:{worker_thread+0} 
{:libata:ata_pio_task+1512}
Mar 15 07:54:35 jophur kernel:{worker_thread+0} 
{worker_thread+0}
Mar 15 07:54:35 jophur kernel:{worker_thread+343} 
{default_wake_function+0}
Mar 15 07:54:35 jophur kernel:{worker_thread+0} 
{kthread+205}
Mar 15 07:54:35 jophur kernel:{worker_thread+0} 
{child_rip+8}
Mar 15 07:54:35 jophur kernel:{worker_thread+0} 
{keventd_create_kthread+0}
Mar 15 07:54:35 jophur kernel:{kthread+0} 
{child_rip+0}
Mar 15 07:54:35 jophur kernel:
Mar 15 07:54:35 jophur kernel:
Mar 15 07:54:35 jophur kernel: Code: 48 8b 1f 9c 41 5c fa 48 8b 53 10 48 89 d0 
80 e4 fd 48 89 43
Mar 15 07:54:35 jophur kernel: RIP 
{:libata:ata_poll_qc_complete+14} RSP 
Mar 15 07:54:35 jophur kernel: CR2: 

-- System Information:
Debian Release: testing/unstable
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)
Shell:  /bin/sh linked to /bi

Bug#357283: linux-image-2.6.15-1-amd64-k8: kernel crash in ata_poll_qc_complete in libata

2006-03-17 Thread Laurent Bonnaud
On ven, 2006-03-17 at 13:55 +0100, Bastian Blank wrote:
> On Thu, Mar 16, 2006 at 04:05:40PM +0100, [EMAIL PROTECTED] wrote:
> > Mar 15 07:54:35 jophur kernel: Pid: 1066, comm: ata/0 Tainted: PF 
> > 2.6.15-1-amd64-k8 #2
> 
> Check again with a not tainted kernel.

Well, I prefer not to put my data at risk by unplugging a disk again.
If you think that my report is useless, because my kernel has been
tainted by the nvidia module, then I will close it.

Nevertheless, could anybody with some kernel knowledge look at
libata-core.c, line=3244 and see if it is possible for the assertion to
fail in case of I/O error ?

-- 
Laurent Bonnaud.
http://www.lis.inpg.fr/pages_perso/bonnaud/




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Bug#302523: #302523: kernel-image-2.6.11-9-amd64-k8: module dm_mod locks my IDE disks -> bug fixed

2006-03-28 Thread Laurent Bonnaud
Hi,

this bug is gone in kernels 2.6.15 and 2.6.16, therefore I'm going to
close it.

-- 
Laurent Bonnaud.
http://www.lis.inpg.fr/pages_perso/bonnaud/




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Bug#378713: xserver-xorg-video-ati: DRI disabled because it cannot see AGP kernel interface

2006-07-19 Thread Laurent Bonnaud
Dear kernel maintainers,

could you please check if this bug is really a kernel problem ?

-- 
Laurent Bonnaud.
http://www.lis.inpg.fr/pages_perso/bonnaud/




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Bug#266673: kernel-image-2.6.8-1-686: Badness in i823650 module

2006-07-21 Thread Laurent Bonnaud
Hi,

I cannot reproduce this problem with kernel 2.6.17.  Therefore I'm going
to close this bug.

-- 
Laurent Bonnaud.
http://www.lis.inpg.fr/pages_perso/bonnaud/




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Bug#281517: udev: should create 1394 devices

2006-07-21 Thread Laurent Bonnaud
Hi,

recent kernels allow udev to create the 1394 devices, therefore I am
going to close this bug.  

Thanks to the Debian kernel team for timely kernel upgrades !

-- 
Laurent Bonnaud.
http://www.lis.inpg.fr/pages_perso/bonnaud/




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Bug#266674: acknowledged by developer (i823650 does not have a release() function)

2004-10-16 Thread Laurent Bonnaud
> herbert patch is included in current 2.6.8.

The bug is still there:

Badness in device_release at drivers/base/core.c:85
 [] kobject_cleanup+0x98/0xa0
 [] vesafb_exit+0xf/0x1d [vesafb]
 [] sys_delete_module+0x12b/0x180
 [] do_munmap+0x15b/0x1b0
 [] sysenter_past_esp+0x52/0x71

$ uname -a
Linux st-dg-00 2.6.8-1-686 #1 Thu Oct 7 03:15:25 EDT 2004 i686 GNU/Linux

-- 
Laurent Bonnaud.
http://www.lis.inpg.fr/pages_perso/bonnaud/






Bug#266673: kernel-image-2.6.8-1-686: Badness in i823650 module

2004-08-18 Thread Laurent Bonnaud
Package: kernel
Version: 2.6.8-1
Severity: normal


Hi,

during the system boot, one of the hardware autodetect package
(discover, hotplug, ...) tries to load and unload the i823650 module.
Then the kernel displays this error message:

Device 'i823650' does not have a release() function, it is broken and must be 
fixed.
Badness in device_release at drivers/base/core.c:85
 [] kobject_cleanup+0x98/0xa0
 [] init_i82365+0x1c3/0x1d9 [i82365]
 [] sys_init_module+0x100/0x210
 [] sysenter_past_esp+0x52/0x71


-- System Information:
Debian Release: 3.1
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)
Kernel: Linux 2.6.8-1-686
Locale: [EMAIL PROTECTED], [EMAIL PROTECTED]

Versions of packages kernel-image-2.6.8-1-686 depends on:
ii  coreutils [fileutils] 5.2.1-2The GNU core utilities
ii  fileutils 5.2.1-2The GNU file management utilities 
ii  initrd-tools  0.1.73 tools to create initrd image for p
ii  module-init-tools 3.1-pre5-3 tools for managing Linux kernel mo

-- no debconf information





Bug#266674: kernel-image-2.6.8-1-686: Badness in vesafb module

2004-08-18 Thread Laurent Bonnaud
Package: kernel
Version: 2.6.8-1
Severity: normal


Hi,

the standard Debian initrd automatically loads the vesafb module.
When I try to remove it (to replace it with the radeonfb module), the
kernel displays this error message:

Device 'vesafb0' does not have a release() function, it is broken and must be 
fixed.
Badness in device_release at drivers/base/core.c:85
 [] kobject_cleanup+0x98/0xa0
 [] vesafb_exit+0xf/0x1d [vesafb]
 [] sys_delete_module+0x12b/0x180
 [] do_munmap+0x15b/0x1b0
 [] sysenter_past_esp+0x52/0x71


-- System Information:
Debian Release: 3.1
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)
Kernel: Linux 2.6.8-1-686
Locale: [EMAIL PROTECTED], [EMAIL PROTECTED]

Versions of packages kernel-image-2.6.8-1-686 depends on:
ii  coreutils [fileutils] 5.2.1-2The GNU core utilities
ii  fileutils 5.2.1-2The GNU file management utilities 
ii  initrd-tools  0.1.73 tools to create initrd image for p
ii  module-init-tools 3.1-pre5-3 tools for managing Linux kernel mo

-- no debconf information





Bug#272703: kernel-image-2.6.8-1-686: screen garbled by radeonfb module with radeon 9200

2004-09-21 Thread Laurent Bonnaud
Package: kernel
Version: 2.6.8-3
Severity: normal


Hi,

note that this bug is almost the same as bug #234019, only on a
different machine with another radeon 9200 card.  I'm opening a new
bug because even if you cannot fix it:

 - it will prevent radeon 9200 users to loose time with the radeonfb
   module,

 - other users may be able to comment on it.

This system has a radeon 9200 video card.  Here is the lspci output:

:01:00.0 VGA compatible controller: ATI Technologies Inc RV280 [Radeon 
9200] (rev 01)

When I load the radeonfb I get the following kernel messages:

Sep 21 16:48:15 irancy kernel: ACPI: PCI interrupt :01:00.0[A] -> GSI 16 
(level, low) -> IRQ 169
Sep 21 16:48:15 irancy kernel: radeonfb: Found Intel x86 BIOS ROM Image
Sep 21 16:48:15 irancy kernel: radeonfb: Retreived PLL infos from BIOS
Sep 21 16:48:15 irancy kernel: radeonfb: Reference=27.00 MHz (RefDiv=12) 
Memory=250.00 Mhz, System=175.00 MHz
Sep 21 16:48:16 irancy kernel: radeonfb: Monitor 1 type CRT found
Sep 21 16:48:16 irancy kernel: radeonfb: EDID probed
Sep 21 16:48:16 irancy kernel: radeonfb: Monitor 2 type no found
Sep 21 16:48:16 irancy kernel: radeonfb: ATI Radeon Ya  DDR SGRAM 128 MB

and all the VT remain in text mode.

When I try to switch to graphical mode with the "fbset 1024x768-70"
command in VT1, the screen is completely garbled.  I can fix the
problem by switching to the VT7 used by XFree and switching back.  VT1
is then restored to text mode (but all text content has been lost).


-- System Information:
Debian Release: 3.1
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)
Kernel: Linux 2.6.8-1-686
Locale: [EMAIL PROTECTED], [EMAIL PROTECTED]

Versions of packages kernel-image-2.6.8-1-686 depends on:
ii  coreutils [fileutils] 5.2.1-2The GNU core utilities
ii  fileutils 5.2.1-2The GNU file management utilities 
ii  initrd-tools  0.1.74 tools to create initrd image for p
ii  module-init-tools 3.1-pre5-7 tools for managing Linux kernel mo

-- no debconf information




Bug#283524: kernel-image-2.6.9-1-686: hwclock blocks on /dev/rtc read

2004-12-14 Thread Laurent Bonnaud
Hi,

according to a report about some recent Dell computers that I read, the
module genrtc works.  I could not confirm this on our server yet because
I'm not the admin.

-- 
Laurent Bonnaud.
http://www.lis.inpg.fr/pages_perso/bonnaud/






Bug#283524: kernel-image-2.6.9-1-686: hwclock blocks on /dev/rtc read

2005-01-05 Thread Laurent Bonnaud
Hi,

I got confirmation that the genrtc module works on our Dell PowerEdge
SC1420.

BTW, why are there 2 rtc modules ?  
Why is the rtc module loaded by default ?
Would loading the genrtc module by default be a problem on some
machines ?

-- 
Laurent Bonnaud.
http://www.lis.inpg.fr/pages_perso/bonnaud/






Bug#302523: kernel-image-2.6.11-9-amd64-k8: module dm_mod locks my IDE disks

2005-04-01 Thread Laurent . Bonnaud
Package: kernel
Version: 2.6.11-1
Severity: normal


Hi,

this system boots from a RAID1 array made of 2 SATA disks.  It then
tries to mount 2 PATA disks.  Unfortunately mount refuses to mount
those disks because they are "busy".  The "dm_mod" module is
responsible for locking those disks.  It is loaded automatically on
boot (BTW, do you know who is responsible for this ?).  Removing this
module does not even work:

# rmmod dm_mod
ERROR: Module dm_mod is in use

I can still work-around this bug by using the "-f" option:

# rmmod -f dm_mod

Then I can mount my disks.

The same problem also existed in previous kernels I tried (2.6.8 and
2.6.10).

To sum this up there are in fact 3 bugs:

 1. dm_mod is loaded even if I did not requested it (I would not care
if it did nothing)
 2. dm_mod locks my disks
 3. dm_mod cannot be removed simply


-- System Information:
Debian Release: 3.1
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.11-9-amd64-k8
Locale: [EMAIL PROTECTED], [EMAIL PROTECTED] (charmap=ISO-8859-15)

Versions of packages kernel-image-2.6.11-9-amd64-k8 depends on:
ii  coreutils [fileutils] 5.2.1-2The GNU core utilities
ii  e2fsprogs 1.37-1 ext2 file system utilities and lib
ii  initrd-tools  0.1.77 tools to create initrd image for p
ii  module-init-tools 3.2-pre1-2 tools for managing Linux kernel mo

-- no debconf information


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Bug#272703: bug fixed in kernel 2.6.10

2005-04-05 Thread Laurent Bonnaud
Hi,

this bug is fixed in kernel 2.6.10.  Should I let this bug open as long
as Debian provides a default kernel with this bug ?

-- 
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http://www.lis.inpg.fr/pages_perso/bonnaud/




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Bug#266673: Bug still there in kernel 2.6.10

2005-04-05 Thread Laurent Bonnaud
Hi,

here is an update:

# modprobe i82365
FATAL: Error inserting i82365 
(/lib/modules/2.6.10-1-686/kernel/drivers/pcmcia/i82365.ko): No such device

$ dmesg
[...]
Device 'i823650' does not have a release() function, it is broken and must be 
fixed.
Badness in device_release at drivers/base/core.c:85
 [] kobject_cleanup+0x98/0xa0
 [] kobject_release+0x0/0x10
 [] kref_put+0x39/0xa0
 [] kobject_put+0x1f/0x30
 [] kobject_put+0x1f/0x30
 [] kobject_release+0x0/0x10
 [] init_i82365+0x1c3/0x1d9 [i82365]
 [] sys_init_module+0x163/0x210
 [] sysenter_past_esp+0x52/0x75

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Bug#266674: Bug still there in kernel 2.6.10

2005-04-05 Thread Laurent Bonnaud
Hi,

here is an update:

# rmmod vesafb

$ dmesg
Device 'vesafb0' does not have a release() function, it is broken and must be 
fixed.
Badness in device_release at drivers/base/core.c:85
 [] kobject_cleanup+0x98/0xa0
 [] kobject_release+0x0/0x10
 [] kref_put+0x39/0xa0
 [] kobject_put+0x1f/0x30
 [] kobject_put+0x1f/0x30
 [] kobject_release+0x0/0x10
 [] vesafb_exit+0xf/0x1d [vesafb]
 [] sys_delete_module+0x159/0x190
 [] sys_munmap+0x50/0x80
 [] sysenter_past_esp+0x52/0x75

Linux irancy 2.6.10-1-686 #1 Fri Mar 11 03:55:46 EST 2005 i686 GNU/Linux

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Bug#234365: Bug unreproducible with kernel 2.6.10

2005-04-05 Thread Laurent Bonnaud
Hi,

I cannot reproduce this bug with this Debian kernel:

Linux video1 2.6.10-1-686-smp #1 SMP Fri Mar 11 01:49:45 EST 2005 i686 GNU/Linux

However, since the bug in bugzilla.kernel.org has not been closed, I
don't know if this IRQ problem is fixed or if it is just not triggered
by the current versions of lib*1394 and coriander.  Therefore I'm
leaving it open and will ask the coriander author for comments ...

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Bug#307312: kernel-image-2.6.11-9-amd64-k8: please compile with PREEMPT support

2005-05-02 Thread Laurent . Bonnaud
Package: kernel-image-2.6.11-9-amd64-k8
Version: 2.6.11-2
Severity: wishlist


Hi,

PREEMPT is disabled in the latest available kernel:

$ grep PREEMPT /boot/config-2.6.11-9-amd64-k8
# CONFIG_PREEMPT is not set

whereas it is (at least it was) enabled in i686 kernels.  If there is
no good reason to disable it, please enable it.  Otherwise it would be
useful to have a note in README.Debian explaining why.


-- System Information:
Debian Release: 3.1
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.11-9-amd64-k8
Locale: [EMAIL PROTECTED], [EMAIL PROTECTED] (charmap=ISO-8859-15)

Versions of packages kernel-image-2.6.11-9-amd64-k8 depends on:
ii  coreutils [fileutils] 5.2.1-2The GNU core utilities
ii  e2fsprogs 1.37-2 ext2 file system utilities and lib
ii  initrd-tools  0.1.78 tools to create initrd image for p
ii  module-init-tools 3.2-pre1-2 tools for managing Linux kernel mo

-- no debconf information


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Bug#307317: kernel-image-2.6.11-1-686: PREEMPT support

2005-05-02 Thread Laurent Bonnaud
Package: kernel
Version: 2.6.11-3
Severity: wishlist


Hi,

until version 2.6.10, kernels were built with PREEMPT enabled.  This
has changed in version 2.6.11-2:

kernel-image-2.6.11-i386 (2.6.11-2) unstable; urgency=low
[...]
  * Disable CONFIG_PREEMPT (Andres Salomon).

$ grep PREEMPT /boot/config-2.6.11-1-686
# CONFIG_PREEMPT is not set

Since the changelog entry does not tell why this change was made, I'm
wondering.  I'm running numerous machines with standard Debian kernels
and never found any problem with PREEMPT.  So could you please:

 - either re-enable PREEMPT
 - or document why it has been disabled (in README.Debian for example) ?


-- System Information:
Debian Release: 3.1
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)
Kernel: Linux 2.6.11-1-686
Locale: [EMAIL PROTECTED], [EMAIL PROTECTED] (charmap=ISO-8859-15)

Versions of packages kernel-image-2.6.11-1-686 depends on:
ii  coreutils [fileutils] 5.2.1-2The GNU core utilities
ii  fileutils 5.2.1-2The GNU file management utilities 
ii  initrd-tools  0.1.78 tools to create initrd image for p
ii  module-init-tools 3.2-pre1-2 tools for managing Linux kernel mo

-- no debconf information


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Bug#392147: BUG: warning at fs/ext3/inode.c:1016/ext3_getblk()

2006-10-10 Thread Laurent Bonnaud
Package: linux-image-2.6.17-2-686
Version: 2.6.17-9
Severity: important


Hi,

here is the problem from the kernel logs:

BUG: warning at fs/ext3/inode.c:1016/ext3_getblk()
  ext3_getblk+0xa8/0x22f [ext3]   do_lookup+0x4f/0x135
  dput+0x1a/0x118   __link_path_walk+0xb6a/0xca7
  ext3_bread+0x12/0x62 [ext3]   ext3_quota_read+0xf3/0x176 
[ext3]
  v1_read_dqblk+0x51/0xc9 [quota_v1]   
dquot_acquire+0x3a/0xb9
  ext3_acquire_dquot+0x48/0x61 [ext3]   dqget+0x226/0x254
  vfs_get_dqblk+0x2a/0xd6   sys_quotactl+0x489/0x60a
  sys_stat64+0x1e/0x23   sysenter_past_esp+0x54/0x75

Since kernel 2.6.18 is out I would normally not report this bug.
However, since kernel 2.6.17 is still the default kernel in etch, I
think this report might be useful.  Here is a similar report:

  http://lkml.org/lkml/2006/9/5/168

but with inconclusive answers.


-- System Information:
Debian Release: testing/unstable
  APT prefers unstable
  APT policy: (100, 'unstable'), (99, 'experimental')
Architecture: i386 (i686)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.17-2-686
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8)

Versions of packages linux-image-2.6.17-2-686 depends on:
ii  initramfs-tools [linux-initra 0.82   tools for generating an initramfs
ii  module-init-tools 3.2.2-3tools for managing Linux kernel mo
ii  yaird [linux-initramfs-tool]  0.0.12-18  Yet Another mkInitRD

Versions of packages linux-image-2.6.17-2-686 recommends:
ii  libc6-i6862.5-0exp1  GNU C Library: Shared libraries [i

-- debconf information excluded


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Bug#324595: GPF in kswapd on AMD64

2006-11-10 Thread Laurent Bonnaud
Hi Alan,

are you still seeing this bug ?

It occurred only once on my system and with recent kernels, I never had
a crash again.  Therefore, I would like to close this bug.

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Bug#397950: initramfs-tools: incorrectly tries to use external disk as root FS instead of internal disk

2006-11-10 Thread Laurent Bonnaud
Package: initramfs-tools
Version: 0.85a
Severity: important


Hi,

this system usually boots from an internal SATA disk (/dev/sda).  I
recently added an external IEEE1394 disk and when I tried to reboot
the system, it failed.  /dev/sda had become the external disk and the
internal disk had become /dev/sdb therefore the initramfs did not find
the correct root FS.

I could change grub and the fstab to use /dev/sdb instead of /dev/sda,
but I do not want to because I would like to be able to boot my system
even if the external disk is unplugged.

I could boot my system with the external disk unplugged and plug it
later, but this would not allow me to perform remote reboots.

Ubuntu solves this problem by using root=UUID= instead of
root=/dev/ on the kernel command line.

A simpler fix would be to change the loading order of kernel modules.
According to the list below, the 1394 modules are loaded before the
sata modules.  This order could probably be reversed without harming
anybody.

I have another system (amd64 architecture) with an external IEEE1394
disk and I have no problem because curiously the modules are loaded in
a different order:

$ lsmod 
[...]
sbp2   28680  1
sd_mod 25856  6
usbhid 45088  0
via82cxxx  13444  0 [permanent]
ohci1394   38216  1
ieee1394  361976  3 eth1394,sbp2,ohci1394
sata_promise   18052  0
skge   43536  0
sata_via   16004  2
libata106784  2 sata_promise,sata_via
scsi_mod  152880  4 sr_mod,sbp2,sd_mod,libata
generic10756  0 [permanent]
ide_core  147584  5 ide_generic,ide_cd,ide_disk,via82cxxx,generic
uhci_hcd   28432  0
ehci_hcd   36104  0
thermal20240  0
processor  38248  2 powernow_k8,thermal
fan 9864  0

Do you know why ?  This other system boots on /dev/md0, which avoids
the problem altogether.

I did not flag this bug as "grave" because there is a simple
work-around (unplug the external disk), but an unbootable system at
least deserves to be "important".


-- Package-specific info:
-- /proc/cmdline
root=/dev/sda1 ro 

-- /proc/filesystems
cramfs
ext3

-- lsmod
Module  Size  Used by
sbp2   20840  1 
radeon 99744  2 
drm61332  3 radeon
binfmt_misc10984  1 
acpi_cpufreq7108  0 
speedstep_lib   4580  0 
freq_table  4576  1 acpi_cpufreq
rfcomm 34616  0 
l2cap  21696  5 rfcomm
bluetooth  45732  4 rfcomm,l2cap
ipt_ULOG7780  1 
nfsd  197840  17 
exportfs5600  1 nfsd
xt_tcpudp   3136  1 
autofs419748  0 
button  6672  0 
ac  5188  0 
battery 9636  0 
iptable_filter  3104  1 
ip_tables  12964  1 iptable_filter
x_tables   13316  3 ipt_ULOG,xt_tcpudp,ip_tables
ipv6  226016  62 
nfs   202828  12 
lockd  54344  3 nfsd,nfs
nfs_acl 3584  2 nfsd,nfs
sunrpc138780  13 nfsd,nfs,lockd,nfs_acl
deflate 3840  0 
zlib_deflate   18200  1 deflate
twofish43136  0 
serpent19008  0 
aes28160  0 
blowfish9440  0 
des17536  0 
sha256 11104  0 
sha12656  0 
crypto_null 2656  0 
af_key 32016  2 
ide_generic 1408  0 [permanent]
snd_intel8x0   30332  2 
snd_ac97_codec 83104  1 snd_intel8x0
snd_ac97_bus2400  1 snd_ac97_codec
snd_pcm_oss38368  0 
snd_pcm68676  3 snd_intel8x0,snd_ac97_codec,snd_pcm_oss
snd_mixer_oss  15200  3 snd_pcm_oss
snd_seq_dummy   3844  0 
snd_seq_oss28768  0 
snd_seq_midi8192  0 
snd_rawmidi22560  1 snd_seq_midi
snd_seq_midi_event  7008  2 snd_seq_oss,snd_seq_midi
snd_seq45680  6 
snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_timer  20996  2 snd_pcm,snd_seq
snd_seq_device  7820  5 
snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
intel_agp  21148  0 
agpgart29896  2 drm,intel_agp
i82875p_edac6276  0 
serio_raw   6660  0 
eth139418212  0 
tsdev   7520  0 
evdev   9088  1 
edac_mc20624  1 i82875p_edac
snd47012  10 
snd_intel8x0,snd_ac97_codec,snd_pcm_oss,snd_pcm,snd_mixer_oss,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
soundcore   9248  3 snd
psmouse35016  0 
i2c_i8017404  0 
pcspkr  307

Bug#324595: GPF in kswapd on AMD64

2006-11-10 Thread Laurent Bonnaud
On Fri, 2006-11-10 at 17:13 +, Alan Woodland wrote:

> Nope, I haven't seen this in ages.

I'll close this bug, then.  Thanks.

-- 
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http://www.lis.inpg.fr/pages_perso/bonnaud/




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Bug#470213: linux-image-2.6.24-1-686: Lack of bnx2 driver

2008-03-11 Thread Laurent Bonnaud
Hi,

how about providing a driver in the non-free section that would be easy
to compile with module-assistant ?

-- 
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Bug#470213: linux-image-2.6.24-1-686: Lack of bnx2 driver

2008-03-11 Thread Laurent Bonnaud
On Tue, 2008-03-11 at 10:48 +0100, maximilian attems wrote:
> 
> how about you start to test current trunk instead of just annoyling
> moan -> http://wiki.debian.org/DebianKernel
> 2.6.25-rc4

Great !  I am glad to learn that the bnx2 module is back in Debian
kernels.

Unfortunately servers that have bnx2 chipsets are so called "production"
NFS servers where testing -rc kernels is very risky and my test machines
where I can install -rc kernels do not have a bnx2 chipset :<.

I will test the 2.6.25 kernel as soon as it is declared stable by
Linus...

PS: sorry for my annoying moan :>.

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Bug#478751: linux-headers-2.6.25-1-686: missing dependency linux-kbuild-2.6.25

2008-05-05 Thread Laurent Bonnaud
Hi,

linux-headers-2.6.25-1-686 is now installable, therefore I'm going to
close this bug...

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Bug#483705: kernel: please enable latencytop

2008-05-30 Thread Laurent Bonnaud
Package: kernel

Hi,

here is the problem:

# latencytop
Error writing to /proc/sys/kernel/latencytop: No such file or directory
Error writing to /proc/sys/kernel/latencytop: No such file or directory
Are you root?
Please enable the CONFIG_LATENCYTOP configuration in your kernel.
Exiting...

So could you please enable latencytop in the Debian kernel?

This a debugging tool, therefore not absolutely necessary.  But it would
be useful to have it in the standard Debian kernel to debug latency
problems for complex workloads on production servers, that cannot easily
be reproduced on a developer's machine. 

Furthermore, this tool is advertised here:

http://wiki.debian.org/KernelFAQ#new-features-in-lenny

therefore people can expect it to work "out of the box".

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Bug#443314: linux-image-2.6.22-2-686: kernel BUG at fs/nfs/nfs4xdr.c:716! on NFSv4 client

2007-09-20 Thread Laurent Bonnaud
ster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
SERR- TAbort- 
SERR- TAbort- 
SERR- TAbort- 
SERR- TAbort- 
SERR- 

00:1e.0 PCI bridge [0604]: Intel Corporation 82801 PCI Bridge [8086:244e] (rev 
c2) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR+ FastB2B-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- TAbort- 
Reset- FastB2B-

00:1f.0 ISA bridge [0601]: Intel Corporation 82801EB/ER (ICH5/ICH5R) LPC 
Interface Bridge [8086:24d0] (rev 02)
Control: I/O+ Mem+ BusMaster+ SpecCycle+ MemWINV- VGASnoop- ParErr- 
Stepping- SERR+ FastB2B-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
SERR- TAbort- 
SERR- TAbort- 
SERR- TAbort- 
SERR- TAbort- 
SERR- 

01:00.0 VGA compatible controller [0300]: ATI Technologies Inc Radeon RV100 QY 
[Radeon 7000/VE] [1002:5159] (prog-if 00 [VGA])
Subsystem: Hightech Information System Ltd. Unknown device [1787:0f02]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping+ SERR+ FastB2B-
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
SERR- 

02:02.0 Ethernet controller [0200]: Intel Corporation 82557/8/9 [Ethernet Pro 
100] [8086:1229] (rev 0c)
Subsystem: Intel Corporation EtherExpress PRO/100 S Desktop Adapter 
[8086:0040]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- 
Stepping- SERR+ FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
SERR- 



-- System Information:
Debian Release: 4.0
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: i386 (i686)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.22-2-686
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8)

Versions of packages linux-image-2.6.22-2-686 depends on:
ii  initramfs-tools [linux-initra 0.85h  tools for generating an initramfs
ii  module-init-tools 3.3-pre4-2 tools for managing Linux kernel mo
ii  yaird [linux-initramfs-tool]  0.0.12-18  Yet Another mkInitRD

Versions of packages linux-image-2.6.22-2-686 recommends:
ii  libc6-i686 2.3.6.ds1-13etch2 GNU C Library: Shared libraries [i

-- debconf information:
  linux-image-2.6.22-2-686/preinst/lilo-has-ramdisk:
  linux-image-2.6.22-2-686/prerm/would-invalidate-boot-loader-2.6.22-2-686: true
  linux-image-2.6.22-2-686/preinst/elilo-initrd-2.6.22-2-686: true
  linux-image-2.6.22-2-686/preinst/abort-overwrite-2.6.22-2-686:
  linux-image-2.6.22-2-686/preinst/lilo-initrd-2.6.22-2-686: true
  linux-image-2.6.22-2-686/postinst/depmod-error-initrd-2.6.22-2-686: false
  linux-image-2.6.22-2-686/preinst/overwriting-modules-2.6.22-2-686: true
  linux-image-2.6.22-2-686/preinst/failed-to-move-modules-2.6.22-2-686:
* linux-image-2.6.22-2-686/preinst/bootloader-initrd-2.6.22-2-686: false
  linux-image-2.6.22-2-686/postinst/create-kimage-link-2.6.22-2-686: true
  linux-image-2.6.22-2-686/postinst/bootloader-error-2.6.22-2-686:
  shared/kernel-image/really-run-bootloader: true
  linux-image-2.6.22-2-686/postinst/kimage-is-a-directory:
  linux-image-2.6.22-2-686/postinst/old-dir-initrd-link-2.6.22-2-686: true
  linux-image-2.6.22-2-686/prerm/removing-running-kernel-2.6.22-2-686: true
  linux-image-2.6.22-2-686/preinst/initrd-2.6.22-2-686:
  linux-image-2.6.22-2-686/postinst/depmod-error-2.6.22-2-686: false
  linux-image-2.6.22-2-686/preinst/already-running-this-2.6.22-2-686:
  linux-image-2.6.22-2-686/postinst/old-initrd-link-2.6.22-2-686: true
  linux-image-2.6.22-2-686/postinst/bootloader-test-error-2.6.22-2-686:
  linux-image-2.6.22-2-686/preinst/abort-install-2.6.22-2-686:
  linux-image-2.6.22-2-686/postinst/old-system-map-link-2.6.22-2-686: true

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Bug#443314: linux-image-2.6.22-2-686: kernel BUG at fs/nfs/nfs4xdr.c:716! on NFSv4 client

2007-09-21 Thread Laurent Bonnaud
On Thu, 2007-09-20 at 17:56 +0200, maximilian attems wrote:

> i see, could you try to reproduce it against latest linux image
> 2.6.23-rc5 from trunk

I cannot reproduce this bug at will, since I do not know the exact
actions that led to it (it is probably not obvious and I was not using
the computer, but one of my students was).

Besides those are "production" computers that are used by students so I
cannot take too many risks with them.

As soon as kernel 2.6.23 is released I will upgrade the computers...

-- 
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http://www.lis.inpg.fr/pages_perso/bonnaud/





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linux-headers-2.6.23-1-686 uninstallable

2007-11-09 Thread Laurent Bonnaud
Dear Debian Kernel Team,

I am trying to test the 2.6.23 kernel images provided on
http://kernel-archive.buildserver.net/debian-kernel but unfortunately I
cannot install the following package:

# apt-get install linux-headers-2.6.23-1-686
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.

Since you only requested a single operation it is extremely likely that
the package is simply not installable and a bug report against
that package should be filed.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
  linux-headers-2.6.23-1-686: Depends: linux-kbuild-2.6.23 but it is not
installable
E: Broken packages

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Bug#436267: linux-image-2.6.22-1-686: IEEE1394 modules unbuilt in packaged kernel

2007-12-11 Thread Laurent Bonnaud
Hi,

another application stopped working after this kernel change.  It is
coriander.  I do not know if all applications must be fixed or if a fix
in the 1394 libraries is enough.  Unfortunately libraries are not fixed
yet, see bug #453358 :

  http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=453358

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Bug#356074: linux-image-2.6.15-1-686: assertion failures in net/core/stream.c andnet/ipv4/af_inet.c

2008-06-10 Thread Laurent Bonnaud
Hi,

I am not seeing this bug any longer, therefore I am going to close this
bug...

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Bug#443314: linux-image-2.6.22-2-686: kernel BUG at fs/nfs/nfs4xdr.c:716! on NFSv4 client

2008-06-10 Thread Laurent Bonnaud
Hi,

thanks to the firmware-bnx2 package I have been able to test the 2.6.25
kernel on this server.  We now have several days of uptime without
oopses.  This is much better than previous kernel versions that would
not last more than a few hours under load without oopsing.

Therefore I consider this bug as fixed, and I will close it...

Thank to the Debian kernel team for continuous kernel updates!

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Bug#489223: kernel: niced processes get half of the CPU (problem with group fair scheduling)

2008-07-04 Thread Laurent Bonnaud
Package: kernel
Severity: normal


Hi,

here is a scenario to illustrate the problem:

 - run low priority processes with a 19 nice value (for example
distributed-net aka dnetc) under the identity of a specific user
(daemon)
 - run a normal priority process under the identity of a another user
(for example burnP6 from the cpuburn package)

Traditional and expected Unix behavior is to give dnetc a small share of
the CPU and burnP6 should have a large share of the CPU.  However here
is the CPU distribution according to "top" on a dual core system:

  PID USER  PR  NI  VIRT  RES  SHR S %CPU %MEMTIME+  COMMAND
27870 daemon39  19   704  428  336 R  100  0.0   1:01.24 dnetc
28653 daemon39  19   704  204  112 R   50  0.0   0:56.02 dnetc
29615 bonnaud   20   096   168 R   50  0.0   0:08.64 burnP6
[...]

According to 

  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/188226

this can be fixed by changing the kernel configuration.  Here is what is
used in Debian:

$ grep GROUP_SCHED /boot/config-2.6.25-2-686
CONFIG_GROUP_SCHED=y
CONFIG_FAIR_GROUP_SCHED=y
# CONFIG_RT_GROUP_SCHED is not set
# CONFIG_CGROUP_SCHED is not set

and here is what is used in Ubuntu:

$ grep GROUP_SCHED /boot/config-2.6.24-19-generic
CONFIG_FAIR_CGROUP_SCHED=y
CONFIG_FAIR_GROUP_SCHED=y


-- System Information:
Debian Release: lenny/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)

Kernel: Linux 2.6.25-2-686 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

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Bug#554149: initramfs-tools: please include e2fsck

2009-11-03 Thread Laurent Bonnaud
Package: initramfs-tools
Version: 0.93.4
Severity: normal


Hi,

in this post by Ted Tso:

  http://bugzilla.kernel.org/show_bug.cgi?id=14354#c149

one can read the following sentence:

  Distributions that want to be extra paranoid should store fsck 
  and all of its needed files in the initrd, and then check the root
  filesystem before mounting it ro, but no distro does this as far 
  as I  know.

During boot, it would allow to mount the ext4 root FS read-only without
replaying the journal.  So could you please include e2fsck and
dependencies in the initramfs ?

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Bug#554149: initramfs-tools: please include e2fsck

2009-11-03 Thread Laurent Bonnaud
On Tue, 2009-11-03 at 11:41 +0100, maximilian attems wrote:

> no way.

Could you please elaborate why ?

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Bug#587763: linux-image-2.6.32-5-amd64: scary messages from JBD when manipulating quotas on ext4

2010-07-01 Thread Laurent Bonnaud
Package: linux-2.6
Version: 2.6.32-15
Severity: important


Hi,

here is how to reproduce this bug:

1. set up quotas on an ext4 filesystem
2. use edquota to change the quotas of some user

Actual result: the kernel outputs this scary message:

[  399.792052] JBD: Spotted dirty metadata buffer (dev = sdb1, blocknr =
34816). There's a risk of filesystem corruption in case of system crash.

Expected result: 
 - no scary message
 - no filesystem corruption
 - changed quotas

A patch has been proposed here:

  http://www.spinics.net/lists/linux-ext4/msg19302.html

This bug has also been reported here:

https://bugzilla.redhat.com/show_bug.cgi?id=578674


-- Package-specific info:
** Version:
Linux version 2.6.32-5-amd64 (Debian 2.6.32-15) (b...@decadent.org.uk)
(gcc version 4.3.5 (Debian 4.3.5-1) ) #1 SMP Tue Jun 1 04:34:03 UTC 2010

-- System Information:
Debian Release: squeeze/sid
  APT prefers testing-proposed-updates
  APT policy: (500, 'testing-proposed-updates'), (500, 'testing')
Architecture: amd64 (x86_64)


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Bug#551821: [nfs-common] directory not mounted at boot-time

2010-07-08 Thread Laurent Bonnaud
Hi,

I have the same problem, but /etc/network/interfaces already contains:

  auto eth0

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Bug#551821: [nfs-common] directory not mounted at boot-time

2010-07-08 Thread Laurent Bonnaud
Hi,

this bug is the same as bug #540291.

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Bug#512733: linux-2.6: enabling STRICT_DEVMEM

2009-01-23 Thread Laurent Bonnaud
Package: linux-2.6
Severity: wishlist


Hi,

in unofficial linux kernels from
http://kernel-archive.buildserver.net/debian-kernel (but that will
become official as soon as they are uploaded into sid), the
STRICT_DEVMEM option is not set:

$ grep STRICT_DEVMEM /boot/config-2.6.*
/boot/config-2.6.27-1-686:# CONFIG_STRICT_DEVMEM is not set
/boot/config-2.6.28-1-686:# CONFIG_STRICT_DEVMEM is not set

According to http://lwn.net/Articles/308426/ it might be a good idea to
enable this option in order to prevent user space programs to
accidentally corrupt memory allocated by drivers, with possible negative
consequences such as file system corruption or even hardware damage
(e1000e for example).


-- System Information:
Debian Release: 5.0
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)

Kernel: Linux 2.6.26-1-686 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

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Bug#603254: linux-image-2.6.36-trunk-686-bigmem: please enable CONFIG_PM_ADVANCED_DEBUG

2010-11-12 Thread Laurent Bonnaud
Package: linux-2.6
Version: 2.6.36


Hi,

the CONFIG_PM_ADVANCED_DEBUG is currently not enabled in Debian kernels:

$ grep CONFIG_PM_ADVANCED_DEBUG /boot/config-2.6.36-trunk-686-bigmem 
# CONFIG_PM_ADVANCED_DEBUG is not set

Without this option powertop complains with this message:

  Suggestion: Enable the CONFIG_PM_ADVANCED_DEBUG kernel configuration option.
  This option will allow PowerTOP to collect runtime power management 
statistics.

So could you please enable it ?

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