from:"CDE Administration"

[Kernel-packages] [Bug 2019011] Re: [UBUNTU 20.04] [HPS] Kernel panic with "refcount_t: underflow" in mlx5 driver

2024-02-08 Thread CDE Administration

** Tags added: verification-needed-focal-linux-bluefield

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https://bugs.launchpad.net/bugs/2019011

Title:
  [UBUNTU 20.04] [HPS] Kernel panic with "refcount_t: underflow" in mlx5
  driver

Status in Ubuntu on IBM z Systems:
  Fix Released
Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Focal:
  Fix Released

Bug description:
  SRU Justification:
  ==

  [ Impact ]

   * The mlx5 driver is causing a Kernel panic with
     "refcount_t: underflow".

   * This issue occurs during a recovery when the PCI device
     is isolated and thus doesn't respond.

  [ Fix ]

   * This issue got solved upstream with
     aaf2e65cac7f aaf2e65cac7f2e1ae729c2fbc849091df9699f96
     "net/mlx5: Fix handling of entry refcount when command
     is not issued to FW" (upstream since 6.1-rc1)

   * But to get aaf2e65cac7f a backport of b898ce7bccf1
     b898ce7bccf13087719c021d829dab607c175246
     "net/mlx5: cmdif, Avoid skipping reclaim pages if FW is
     not accessible" is required on top (upstream since 5.10)

  [ Test Plan ]

   * An Ubuntu Server for s390x 20.04 LPAR or z/VM installation
     is needed that has Mellanox cards (RoCE Express 2.1)
     assigned, configured and enabled and that runs a 5.4
     kernel with mlx5 driver.

   * Create some network traffic on (one of the) RoCE device
     (interface ens???[d?]) for testing (e.g. with stress-ng).

   * Make sure the module/driver mlx5 is loaded and in use.

   * Trigger a recovery (via the Support Element)
     that will render the adapter (ports) unresponsive
     for a moment and should provoke a similar situation.

   * Alternatively the interface itself can be removed for
     a moment and re-added again (but this may break further
     things on top).

   * Due to the lack of RoCE Express 2.1 hardware,
     the verification is on IBM.

  [ Where problems could occur ]

   * The modifications are limited to the Mellanox mlx5 driver
     only - no other network driver is affected.

   * The pre-required commit (aaf2e65cac7f) can have a bad
     impact on (re-)claiming pages if FW is not accessible,
     which could cause page leaks in case done wrong.
     But this commit is pretty save since it's upstream
     since v5.10.

   * The fix itself (aaf2e65cac7f) mainly changes the
     cmd_work_handler and mlx5_cmd_comp_handler functions
     in a way that instead of pci_channel_offline
     mlx5_cmd_is_down (introiduced by b898ce7bccf1).

   * Actually b898ce7bccf1 started with changing from
     pci_channel_offline to mlx5_cmd_is_down,
     but looks like a few cases
     (in the area of refcount increate/decrease) were missed,
     that are now covered by aaf2e65cac7f.

   * It fixes now on top refcounts are now always properly
     increment and decrement to achieve a symmetric state
     for all flows.

   * These changes may have an impact on all cases where the
     mlx5 device is not responding, which can happen in case
     of an offline channel, interface down, reset or recovery.

  [ Other Info ]

   * Looking at the master-next git trees for jammy, kinetic
     and lunar showed that both fixes are already included,
     hence only focal is affected.
  __

  ---Problem Description---

  Kernel panic with "refcount_t: underflow" in kernel log

  Contact Information = rijo...@ibm.com, vineeth.vija...@ibm.com

  ---uname output---
  5.4.0-128-generic

  Machine Type = s390x

  ---System Hang---
  Kernel panic and stack-trace as below

  ---Debugger---
  A debugger is not configured

  Stack trace output:
  [Sat Apr  8 17:52:21 UTC 2023] Call Trace:
  [Sat Apr  8 17:52:21 UTC 2023] ([<002a5939a286>] 
refcount_warn_saturate+0xce/0x140)
  [Sat Apr  8 17:52:21 UTC 2023]  [<03ff805f861e>] cmd_ent_put+0xe6/0xf8 
[mlx5_core]
  [Sat Apr  8 17:52:21 UTC 2023]  [<03ff805f9b6a>] 
mlx5_cmd_comp_handler+0x102/0x4f0 [mlx5_core]
  [Sat Apr  8 17:52:21 UTC 2023]  [<03ff805f9f8a>] 
cmd_comp_notifier+0x32/0x48 [mlx5_core]
  [Sat Apr  8 17:52:21 UTC 2023]  [<002a58ecf0c6>] 
notifier_call_chain+0x4e/0xa0
  [Sat Apr  8 17:52:21 UTC 2023]  [<002a58ecf17e>] 
atomic_notifier_call_chain+0x2e/0x40
  [Sat Apr  8 17:52:21 UTC 2023]  [<03ff805fe4fc>] 
mlx5_eq_async_int+0x13c/0x200 [mlx5_core]
  [Sat Apr  8 17:52:21 UTC 2023]  [<002a58ecf0c6>] 
notifier_call_chain+0x4e/0xa0
  [Sat Apr  8 17:52:21 UTC 2023]  [<002a58ecf17e>] 
atomic_notifier_call_chain+0x2e/0x40
  [Sat Apr  8 17:52:21 UTC 2023]  [<03ff8061318e>] 
mlx5_irq_int_handler+0x2e/0x48 [mlx5_core]
  [Sat Apr  8 17:52:21 UTC 2023]  [<002a58f1455a>] 
__handle_irq_event_percpu+0x6a/0x250
  [Sat Apr  8 17:52:21 UTC 2023]  [<002a58f14770>] 
handle_irq_event_percpu+0x30/0x78
  [Sat Apr  8 17:52:21 UTC 2023]  [<002a58f1a0c8>] 
handle_percpu_irq+0x68/0xa0
  [Sat Apr  8 17:52:21 UTC 2023]

[Kernel-packages] [Bug 2013088] Re: kernel: fix __clear_user() inline assembly constraints

2023-09-11 Thread CDE Administration

** Attachment removed: "uaccess clear_user() fix"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2013088/+attachment/5660553/+files/s390-uaccess.patch

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Title:
  kernel: fix __clear_user() inline assembly constraints

Status in Ubuntu on IBM z Systems:
  Fix Released
Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Bionic:
  Fix Released
Status in linux source package in Focal:
  Fix Released
Status in linux source package in Jammy:
  Fix Released
Status in linux source package in Kinetic:
  Fix Released
Status in linux source package in Lunar:
  Fix Released

Bug description:
  SRU Justification:
  ==

  [ Impact ]

   * In case clear_user() crosses two pages and faults on the second page
 the kernel may write lowcore contents to the first page, instead of
     clearing it.

   * The __clear_user() inline assembly misses earlyclobber constraint
     modifiers. Depending on compiler and compiler options this may lead to
     incorrect code which copies kernel lowcore contents to user space 
 instead of clearing memory, in case clear_user() faults.

  [Fix]

   * For Kinetic and Jammy cherrypick of
 89aba4c26fae 89aba4c26fae4e459f755a18912845c348ee48f3
 "s390/uaccess: add missing earlyclobber annotations to __clear_user()"

   * For Focal and Bionic a backport of the above commit is needed:
 https://launchpadlibrarian.net/659551648/s390-uaccess.patch

  [ Test Plan ]

   * A test program in C is needed and used for testing.

   * The test will be done by IBM.

  [ Where problems could occur ]

   * The modification is limited to function 'long __clear_user'.

   * And there, just to one inline assembly constraints line.

   * This is usually difficult to trace.

   * A erroneous modification may lead to a wrong behavior in
     'long __clear_user',

   * and maybe returning a wrong size (in uaccess.c).

  [ Other Info ]

   * This affects all Ubuntu releases in service, down to 18.04.

   * Since we are close to 23.04 kernel freeze, I submit a patch request for
     23.04 separately, and submit the SRU request for the all other
     Ubuntu releases later.

  __

  Description:   kernel: fix __clear_user() inline assembly constraints

  Symptom:   In case clear_user() crosses two pages and faults on the
     second page the kernel may write lowcore contents to the
     first page, instead of clearing it.

  Problem:   The __clear_user() inline assembly misses earlyclobber
     constraint modifiers. Depending on compiler and compiler
     options this may lead to incorrect code which copies kernel
     lowcore contents to user space instead of clearing memory,
     in case clear_user() faults.

  Solution:  Add missing earlyclobber constraint modifiers.
  Preventive:yes

  Upstream-ID:   89aba4c26fae4e459f755a18912845c348ee48f3

  Affected Releases:
     18.04
     20.04
     22.04
     22.10
     23.04

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu-z-systems/+bug/2013088/+subscriptions


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[Kernel-packages] [Bug 1559194] Re: Bad page state in process genwqe_gunzip pfn:3c275 in the genwqe device driver

2016-12-19 Thread CDE Administration

** Attachment removed: "dmesg for re-run on kernel 4.4.0-33"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1559194/+attachment/4732889/+files/dmesg.log

** Attachment removed: "linux-image-4.4.0-33.52+_4.4.0-33.52+-6_s390x.deb"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1559194/+attachment/4791005/+files/linux-image-4.4.0-33.52+_4.4.0-33.52+-6_s390x.deb

** Attachment removed: "dmesg for re-run on kernel 4.4.0-33"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1559194/+attachment/4793785/+files/dmesg.log

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Title:
  Bad page state in process genwqe_gunzip pfn:3c275 in the genwqe device
  driver

Status in Release Notes for Ubuntu:
  Fix Released
Status in Ubuntu on IBM z Systems:
  Fix Released
Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Xenial:
  Fix Released
Status in linux source package in Yakkety:
  Fix Released

Bug description:
  == Comment: #0 - Dmitry Gorbachev  - 2016-03-17 
08:52:41 ==
  An error occurs when running zEDC compression/decompression and hotplugging 
PCI devices.
  There was 1G of memory, 2 pci functions and 50 threads of gunzipping enabled.

  Mar 14 23:59:01 s8330018 kernel: [ 4972.486883] BUG: Bad page state in 
process genwqe_gunzip  pfn:3c275
  Mar 14 23:59:01 s8330018 kernel: [ 4972.486888] page:03d100f09d40 
count:-1 mapcount:0 mapping:  (null) index:0x0
  Mar 14 23:59:01 s8330018 kernel: [ 4972.486891] flags: 0x0()
  Mar 14 23:59:01 s8330018 kernel: [ 4972.486895] page dumped because: nonzero 
_count
  Mar 14 23:59:01 s8330018 kernel: [ 4972.486897] Modules linked in: 
xt_CHECKSUM(E) iptable_mangle(E) ipt_MASQUERADE(E) nf_nat_masquerade_ipv4(E) 
iptable_nat(E) nf_conntrack_ipv4(E) nf_defrag_ipv4(E) nf_nat_ipv4(E) nf_nat(E) 
nf_conntrack(E) xt_tcpudp(E) bridge(E) stp(E) llc(E) iptable_filter(E) 
ip_tables(E) x_tables(E) genwqe_card(E) crc_itu_t(E) qeth_l2(E) qeth(E) vmur(E) 
ccwgroup(E) dm_multipath(E) ib_iser(E) rdma_cm(E) iw_cm(E) ib_cm(E) ib_sa(E) 
ib_mad(E) ib_core(E) ib_addr(E) iscsi_tcp(E) libiscsi_tcp(E) libiscsi(E) 
scsi_transport_iscsi(E) btrfs(E) zlib_deflate(E) raid10(E) raid456(E) 
async_memcpy(E) async_raid6_recov(E) async_pq(E) async_xor(E) async_tx(E) 
xor(E) raid6_pq(E) libcrc32c(E) raid1(E) raid0(E) linear(E) ghash_s390(E) 
prng(E) aes_s390(E) des_s390(E) des_generic(E) sha512_s390(E) sha256_s390(E) 
sha1_s390(E) sha_common(E) zfcp(E) qdio(E) scsi_transport_fc(E) 
dasd_eckd_mod(E) dasd_mod(E)
  Mar 14 23:59:01 s8330018 kernel: [ 4972.486916] CPU: 0 PID: 37867 Comm: 
genwqe_gunzip Tainted: GW   E   4.4.0-8-generic #23-Ubuntu
  Mar 14 23:59:01 s8330018 kernel: [ 4972.486916]209176f8 
20917788 0002 
  Mar 14 23:59:01 s8330018 kernel: [ 4972.486916]20917828 
209177a0 209177a0 00114182
  Mar 14 23:59:01 s8330018 kernel: [ 4972.486916]0011 
0092345a 03d1000a 000a
  Mar 14 23:59:01 s8330018 kernel: [ 4972.486916]209177e8 
20917788  20914000
  Mar 14 23:59:01 s8330018 kernel: [ 4972.486916] 
00114182 20917788 209177e8
  Mar 14 23:59:01 s8330018 kernel: [ 4972.486922] Call Trace:
  Mar 14 23:59:01 s8330018 kernel: [ 4972.486927] ([<0011406e>] 
show_trace+0xf6/0x148)
  Mar 14 23:59:01 s8330018 kernel: [ 4972.486929]  [<00114136>] 
show_stack+0x76/0xe8
  Mar 14 23:59:01 s8330018 kernel: [ 4972.486934]  [<00518c26>] 
dump_stack+0x6e/0x90
  Mar 14 23:59:01 s8330018 kernel: [ 4972.486937]  [<0027c376>] 
bad_page+0xe6/0x148
  Mar 14 23:59:01 s8330018 kernel: [ 4972.486938]  [<00280516>] 
get_page_from_freelist+0x49e/0xba8
  Mar 14 23:59:01 s8330018 kernel: [ 4972.486940]  [<00280ede>] 
__alloc_pages_nodemask+0x166/0xb00
  Mar 14 23:59:01 s8330018 kernel: [ 4972.486941]  [<0015635a>] 
s390_dma_alloc+0x82/0x1a0
  Mar 14 23:59:01 s8330018 kernel: [ 4972.486944]  [<03ff805ea142>] 
__genwqe_alloc_consistent+0x7a/0x90 [genwqe_card]
  Mar 14 23:59:01 s8330018 kernel: [ 4972.486947]  [<03ff805ea344>] 
genwqe_alloc_sync_sgl+0x17c/0x2e0 [genwqe_card]
  Mar 14 23:59:01 s8330018 kernel: [ 4972.486950]  [<03ff805e52da>] 
do_execute_ddcb+0x1da/0x348 [genwqe_card]
  Mar 14 23:59:01 s8330018 kernel: [ 4972.486952]  [<03ff805e5964>] 
genwqe_ioctl+0x51c/0xc20 [genwqe_card]
  Mar 14 23:59:01 s8330018 kernel: [ 4972.486953]  [<003145ee>] 
do_vfs_ioctl+0x3b6/0x518
  Mar 14 23:59:01 s8330018 kernel: [ 4972.486955]  [<003147f4>] 
SyS_ioctl+0xa4/0xb8
  Mar 14 23:59:01 s8330018 kernel: [ 4972.486956]  [<007ad1be>] 
system_call+0xd6/0x264
  Mar 14 23:59:01 s8330018 kernel: [ 4972.486957]

[Kernel-packages] [Bug 1559194] Re: Bad page state in process genwqe_gunzip pfn:3c275 in the genwqe device driver

2016-12-12 Thread CDE Administration

** Attachment removed: "linux-image-4.4.0-33.52+_4.4.0-33.52+-6_s390x.deb"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1559194/+attachment/4735664/+files/linux-image-4.4.0-33.52+_4.4.0-33.52+-6_s390x.deb

** Attachment removed: "linux-image-4.4.0-33.52+_4.4.0-33.52+-6_s390x.deb"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1559194/+attachment/4788007/+files/linux-image-4.4.0-33.52+_4.4.0-33.52+-6_s390x.deb

** Attachment removed: "linux-image-4.4.0-33.52+_4.4.0-33.52+-6_s390x.deb"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1559194/+attachment/4785403/+files/linux-image-4.4.0-33.52+_4.4.0-33.52+-6_s390x.deb

** Attachment removed: "linux-image-4.4.0-33.52+_4.4.0-33.52+-6_s390x.deb"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1559194/+attachment/4785388/+files/linux-image-4.4.0-33.52+_4.4.0-33.52+-6_s390x.deb

** Attachment removed: "linux-image-4.4.0-33.52+_4.4.0-33.52+-6_s390x.deb"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1559194/+attachment/4785373/+files/linux-image-4.4.0-33.52+_4.4.0-33.52+-6_s390x.deb

** Attachment removed: "linux-image-4.4.0-33.52+_4.4.0-33.52+-6_s390x.deb"
   
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** Attachment removed: "linux-image-4.4.0-33.52+_4.4.0-33.52+-6_s390x.deb"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1559194/+attachment/4780985/+files/linux-image-4.4.0-33.52+_4.4.0-33.52+-6_s390x.deb

** Attachment removed: "linux-image-4.4.0-33.52+_4.4.0-33.52+-6_s390x.deb"
   
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** Attachment removed: "linux-image-4.4.0-33.52+_4.4.0-33.52+-6_s390x.deb"
   
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** Attachment removed: "linux-image-4.4.0-33.52+_4.4.0-33.52+-6_s390x.deb"
   
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** Attachment removed: "linux-image-4.4.0-33.52+_4.4.0-33.52+-6_s390x.deb"
   
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** Attachment removed: "linux-image-4.4.0-33.52+_4.4.0-33.52+-6_s390x.deb"
   
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** Attachment removed: "linux-image-4.4.0-33.52+_4.4.0-33.52+-6_s390x.deb"
   
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** Attachment removed: "linux-image-4.4.0-33.52+_4.4.0-33.52+-6_s390x.deb"
   
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** Attachment removed: "linux-image-4.4.0-33.52+_4.4.0-33.52+-6_s390x.deb"
   
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** Attachment removed: "linux-image-4.4.0-33.52+_4.4.0-33.52+-6_s390x.deb"
   
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** Attachment removed: "linux-image-4.4.0-33.52+_4.4.0-33.52+-6_s390x.deb"
   
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** Attachment removed: "linux-image-4.4.0-33.52+_4.4.0-33.52+-6_s390x.deb"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1559194/+attachment/4739352/+files/linux-image-4.4.0-33.52+_4.4.0-33.52+-6_s390x.deb

** Attachment removed: "linux-image-4.4.0-33.52+_4.4.0-33.52+-6_s390x.deb"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1559194/+attachment/4736013/+files/linux-image-4.4.0-33.52+_4.4.0-33.52+-6_s390x.deb

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Title:
  Bad page state in process genwqe_gunzip pfn:3c275 in the genwqe device
  driver

Status in Release Notes for Ubuntu:
  Fix Released
Status in Ubuntu on IBM z Systems:
  Fix Released
Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Xenial:
  Fix Released
Status in linux source package in Yakkety:
  Fix Released

Bug description:
  == Comment: #0 - Dmitry Gorbachev  - 2016-03-17 
08:52:41 ==
  An

[Kernel-packages] [Bug 1580951] Re: Upgrade libseccomp from 2.2.3 ->2.3.1

2016-07-22 Thread CDE Administration

** Package changed: linux (Ubuntu) => account-plugins (Ubuntu)

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https://bugs.launchpad.net/bugs/1580951

Title:
  Upgrade libseccomp from 2.2.3 ->2.3.1

Status in account-plugins package in Ubuntu:
  Invalid

Bug description:
  == Comment: #1 - Heinz-Werner Seeck  - 
2016-05-11 05:09:09 ==
  Please upgrade package libseccomp.
  The new version 2.3.1 is available on github

  https://github.com/seccomp/libseccomp/releases

  == Comment: #2 - Heinz-Werner Seeck  - 
2016-05-11 05:10:59 ==
  ?Version 2.3.0 - February 29, 2016
  ?Added support for the s390 and s390x architectures
  ?Added support for the ppc, ppc64, and ppc64le architectures
  ?Update the internal syscall tables to match the Linux 4.5-rcX releases
  ?Filter generation for both multiplexed and direct socket syscalls on x86
  ?Support for the musl libc implementation
  ?Additions to the API to enable runtime version checking of the library
  ?Enable the use of seccomp() instead of prctl() on supported systems
  ?Added additional tests to the regression test suite

  ?Version 2.3.1 - April 20, 2016 
  ?Fixed a problem with 32-bit x86 socket syscalls on some systems
  ?Fixed problems with ipc syscalls on 32-bit x86
  ?Fixed problems with socket and ipc syscalls on s390 and s390x

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[Kernel-packages] [Bug 1580951] Re: Upgrade libseccomp from 2.2.3 ->2.3.1

2016-07-19 Thread CDE Administration

Bridge ReTest

** Attachment added: "tt"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1580951/+attachment/4703262/+files/test.txt

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Title:
  Upgrade libseccomp from 2.2.3 ->2.3.1

Status in linux package in Ubuntu:
  Invalid

Bug description:
  == Comment: #1 - Heinz-Werner Seeck  - 
2016-05-11 05:09:09 ==
  Please upgrade package libseccomp.
  The new version 2.3.1 is available on github

  https://github.com/seccomp/libseccomp/releases

  == Comment: #2 - Heinz-Werner Seeck  - 
2016-05-11 05:10:59 ==
  ?Version 2.3.0 - February 29, 2016
  ?Added support for the s390 and s390x architectures
  ?Added support for the ppc, ppc64, and ppc64le architectures
  ?Update the internal syscall tables to match the Linux 4.5-rcX releases
  ?Filter generation for both multiplexed and direct socket syscalls on x86
  ?Support for the musl libc implementation
  ?Additions to the API to enable runtime version checking of the library
  ?Enable the use of seccomp() instead of prctl() on supported systems
  ?Added additional tests to the regression test suite

  ?Version 2.3.1 - April 20, 2016 
  ?Fixed a problem with 32-bit x86 socket syscalls on some systems
  ?Fixed problems with ipc syscalls on 32-bit x86
  ?Fixed problems with socket and ipc syscalls on s390 and s390x

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[Kernel-packages] [Bug 1580951] Re: Upgrade libseccomp from 2.2.3 ->2.3.1

2016-07-19 Thread CDE Administration

I want to get it

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Title:
  Upgrade libseccomp from 2.2.3 ->2.3.1

Status in linux package in Ubuntu:
  Invalid

Bug description:
  == Comment: #1 - Heinz-Werner Seeck  - 
2016-05-11 05:09:09 ==
  Please upgrade package libseccomp.
  The new version 2.3.1 is available on github

  https://github.com/seccomp/libseccomp/releases

  == Comment: #2 - Heinz-Werner Seeck  - 
2016-05-11 05:10:59 ==
  ?Version 2.3.0 - February 29, 2016
  ?Added support for the s390 and s390x architectures
  ?Added support for the ppc, ppc64, and ppc64le architectures
  ?Update the internal syscall tables to match the Linux 4.5-rcX releases
  ?Filter generation for both multiplexed and direct socket syscalls on x86
  ?Support for the musl libc implementation
  ?Additions to the API to enable runtime version checking of the library
  ?Enable the use of seccomp() instead of prctl() on supported systems
  ?Added additional tests to the regression test suite

  ?Version 2.3.1 - April 20, 2016 
  ?Fixed a problem with 32-bit x86 socket syscalls on some systems
  ?Fixed problems with ipc syscalls on 32-bit x86
  ?Fixed problems with socket and ipc syscalls on s390 and s390x

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[Kernel-packages] [Bug 1580951] Re: Upgrade libseccomp from 2.2.3 ->2.3.1

2016-07-19 Thread CDE Administration

Bridge test attachment for LTC bridge

** Attachment added: "Bridge TTT WOW"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1580951/+attachment/4703261/+files/test.xml

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Title:
  Upgrade libseccomp from 2.2.3 ->2.3.1

Status in linux package in Ubuntu:
  Invalid

Bug description:
  == Comment: #1 - Heinz-Werner Seeck  - 
2016-05-11 05:09:09 ==
  Please upgrade package libseccomp.
  The new version 2.3.1 is available on github

  https://github.com/seccomp/libseccomp/releases

  == Comment: #2 - Heinz-Werner Seeck  - 
2016-05-11 05:10:59 ==
  ?Version 2.3.0 - February 29, 2016
  ?Added support for the s390 and s390x architectures
  ?Added support for the ppc, ppc64, and ppc64le architectures
  ?Update the internal syscall tables to match the Linux 4.5-rcX releases
  ?Filter generation for both multiplexed and direct socket syscalls on x86
  ?Support for the musl libc implementation
  ?Additions to the API to enable runtime version checking of the library
  ?Enable the use of seccomp() instead of prctl() on supported systems
  ?Added additional tests to the regression test suite

  ?Version 2.3.1 - April 20, 2016 
  ?Fixed a problem with 32-bit x86 socket syscalls on some systems
  ?Fixed problems with ipc syscalls on 32-bit x86
  ?Fixed problems with socket and ipc syscalls on s390 and s390x

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[Kernel-packages] [Bug 1486180] Re: Kernel OOPS during DLPAR operation with Fibre Channel adapter

2016-01-12 Thread CDE Administration

** Attachment removed: "boot log with lpfc"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1486180/+attachment/4548305/+files/boot-log-with-lpfc.log

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Title:
  Kernel OOPS during DLPAR operation with Fibre Channel adapter

Status in linux package in Ubuntu:
  Fix Committed
Status in linux source package in Wily:
  In Progress
Status in linux source package in Xenial:
  Fix Committed

Bug description:
  -- Problem Description --
  Kernel OOPS during DLPAR operation with Fibre Channel adapter
   
  ---uname output---
  4.1.0-1-generic
   
  ---Additional Hardware Info---
  Fibre Channel: Emulex Corporation Saturn-X: LightPulse Fibre Channel Host 
Adapter (rev 03) 
   
  Machine Type = POWER8 

  ---Steps to Reproduce---
  1) Install Ubuntu 15.10 on a Power VM LPAR.
  2) Configure and start rtas_errd daemon
  3) Via HMC try to add a Fibre channel adapter via dynamic partitioning
   During the operation following OOPS message is observed

  Oops output:

   !!! 00E0806 Fcode, Copyright (c) 2000-2012 Emulex !!!  Version 3.10x2

  
  !!! 00E0806 Fcode, Copyright (c) 2000-2012 Emulex !!!  Version 3.10x2
  [ 8696.808703] PCI host bridge /pci@8002020  ranges:
  [ 8696.808708]  MEM 0x0003ff84..0x0003ff847eff -> 
0x8000 
  [ 8696.808716] PCI: I/O resource not set for host bridge /pci@8002020 
(domain 1)
  [ 8696.808761] PCI host bridge to bus 0001:01
  [ 8696.808765] pci_bus 0001:01: root bus resource [mem 
0x3ff84-0x3ff847eff] (bus address [0x8000-0xfeff])
  [ 8696.808768] pci_bus 0001:01: root bus resource [bus 01-ff]
  [ 8696.897390] rpaphp: Slot [U78C7.001.RCH0042-P1-C8] registered
  [ 8696.897395] rpadlpar_io: slot PHB 32 added
  [ 8696.972155] Emulex LightPulse Fibre Channel SCSI driver 10.5.0.0.
  [ 8696.972157] Copyright(c) 2004-2015 Emulex.  All rights reserved.
  [ 8696.972438] lpfc 0001:01:00.1: enabling device (0140 -> 0142)
  [ 8696.976145] Unable to handle kernel paging request for data at address 
0x000c
  [ 8696.976174] Faulting instruction address: 0xc0084cc4
  [ 8696.976182] Oops: Kernel access of bad area, sig: 11 [#1]
  [ 8696.976188] SMP NR_CPUS=2048 NUMA pSeries
  [ 8696.976196] Modules linked in: lpfc(+) scsi_transport_fc rpadlpar_io 
rpaphp rtc_generic pseries_rng autofs4
  [ 8696.976220] CPU: 3 PID: 1426 Comm: systemd-udevd Not tainted 
4.1.0-1-generic #1~dogfoodv1-Ubuntu
  [ 8696.976230] task: c003857737e0 ti: c000fd08c000 task.ti: 
c000fd08c000
  [ 8696.976239] NIP: c0084cc4 LR: c0084ca8 CTR: 

  [ 8696.976247] REGS: c000fd08f0f0 TRAP: 0300   Not tainted  
(4.1.0-1-generic)
  [ 8696.976255] MSR: 80019033   CR: 8222  
XER: 2000
  [ 8696.976278] CFAR: c0008468 DAR: 000c DSISR: 4000 
SOFTE: 1 
 GPR00: c0084ca8 c000fd08f370 c14bda00 
 
 GPR04: 0001 c000fd08f408 0003 
d2c31e60 
 GPR08: c13bda00  c003873e6b80 
d2ca7c98 
 GPR12: 8800 ce831b00 d29421f8 
38ca4522 
 GPR16: c000fd08fdc0 c000fd08fe04 d2941878 
c000fc8054c0 
 GPR20: d238 d238 d2ccff90 
 
 GPR24: c165074c c0038e17e000 c13b5e00 
c0038e17e000 
 GPR28: c13b5e28 ca590600 c13b5df0 
c13b5e20 
  [ 8696.976396] NIP [c0084cc4] enable_ddw+0x254/0x7b0
  [ 8696.976405] LR [c0084ca8] enable_ddw+0x238/0x7b0
  [ 8696.976411] Call Trace:
  [ 8696.976419] [c000fd08f370] [c0084ca8] enable_ddw+0x238/0x7b0 
(unreliable)
  [ 8696.976431] [c000fd08f4b0] [c00866d8] 
dma_set_mask_pSeriesLP+0x218/0x2a0
  [ 8696.976444] [c000fd08f540] [c0023528] dma_set_mask+0x58/0xa0
  [ 8696.976474] [c000fd08f570] [d2c71280] 
lpfc_pci_probe_one+0xb0/0xc50 [lpfc]
  [ 8696.976486] [c000fd08f610] [c05987fc] 
local_pci_probe+0x6c/0x140
  [ 8696.976497] [c000fd08f6a0] [c0598a28] 
pci_device_probe+0x158/0x1e0
  [ 8696.976510] [c000fd08f700] [c067b744] 
driver_probe_device+0x1c4/0x5a0
  [ 8696.976522] [c000fd08f790] [c067bcdc] 
__driver_attach+0x11c/0x120
  [ 8696.976533] [c000fd08f7d0] [c067854c] 
bus_for_each_dev+0x9c/0x110
  [ 8696.976544] [c000fd08f820] [c067adbc] driver_attach+0x3c/0x60
  [ 8696.976555] [c000fd08f850] [c067a768] 
bus_add_driver+0x208/0x320
  [ 8696.976565] [c000fd08f8e0] [c067c99c] 
driver_register+0x9c/0x180
  [ 8696.976576] [c000fd08f950] [c05978ec]

[Kernel-packages] [Bug 1486180] Re: Kernel OOPS during DLPAR operation with Fibre Channel adapter

2016-01-11 Thread CDE Administration

** Attachment removed: "boot log with lpfc"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1486180/+attachment/4548034/+files/boot-log-with-lpfc.log

** Attachment removed: "dmesg log captured after DLPAR operation"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1486180/+attachment/4548035/+files/dmesg-log-after-dlpar.log

** Attachment removed: "Patch"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1486180/+attachment/4548077/+files/0001-powerpc-eeh-Validate-arch-in-eeh_add_device_early.patch

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Title:
  Kernel OOPS during DLPAR operation with Fibre Channel adapter

Status in linux package in Ubuntu:
  Fix Committed
Status in linux source package in Wily:
  In Progress
Status in linux source package in Xenial:
  Fix Committed

Bug description:
  -- Problem Description --
  Kernel OOPS during DLPAR operation with Fibre Channel adapter
   
  ---uname output---
  4.1.0-1-generic
   
  ---Additional Hardware Info---
  Fibre Channel: Emulex Corporation Saturn-X: LightPulse Fibre Channel Host 
Adapter (rev 03) 
   
  Machine Type = POWER8 

  ---Steps to Reproduce---
  1) Install Ubuntu 15.10 on a Power VM LPAR.
  2) Configure and start rtas_errd daemon
  3) Via HMC try to add a Fibre channel adapter via dynamic partitioning
   During the operation following OOPS message is observed

  Oops output:

   !!! 00E0806 Fcode, Copyright (c) 2000-2012 Emulex !!!  Version 3.10x2

  
  !!! 00E0806 Fcode, Copyright (c) 2000-2012 Emulex !!!  Version 3.10x2
  [ 8696.808703] PCI host bridge /pci@8002020  ranges:
  [ 8696.808708]  MEM 0x0003ff84..0x0003ff847eff -> 
0x8000 
  [ 8696.808716] PCI: I/O resource not set for host bridge /pci@8002020 
(domain 1)
  [ 8696.808761] PCI host bridge to bus 0001:01
  [ 8696.808765] pci_bus 0001:01: root bus resource [mem 
0x3ff84-0x3ff847eff] (bus address [0x8000-0xfeff])
  [ 8696.808768] pci_bus 0001:01: root bus resource [bus 01-ff]
  [ 8696.897390] rpaphp: Slot [U78C7.001.RCH0042-P1-C8] registered
  [ 8696.897395] rpadlpar_io: slot PHB 32 added
  [ 8696.972155] Emulex LightPulse Fibre Channel SCSI driver 10.5.0.0.
  [ 8696.972157] Copyright(c) 2004-2015 Emulex.  All rights reserved.
  [ 8696.972438] lpfc 0001:01:00.1: enabling device (0140 -> 0142)
  [ 8696.976145] Unable to handle kernel paging request for data at address 
0x000c
  [ 8696.976174] Faulting instruction address: 0xc0084cc4
  [ 8696.976182] Oops: Kernel access of bad area, sig: 11 [#1]
  [ 8696.976188] SMP NR_CPUS=2048 NUMA pSeries
  [ 8696.976196] Modules linked in: lpfc(+) scsi_transport_fc rpadlpar_io 
rpaphp rtc_generic pseries_rng autofs4
  [ 8696.976220] CPU: 3 PID: 1426 Comm: systemd-udevd Not tainted 
4.1.0-1-generic #1~dogfoodv1-Ubuntu
  [ 8696.976230] task: c003857737e0 ti: c000fd08c000 task.ti: 
c000fd08c000
  [ 8696.976239] NIP: c0084cc4 LR: c0084ca8 CTR: 

  [ 8696.976247] REGS: c000fd08f0f0 TRAP: 0300   Not tainted  
(4.1.0-1-generic)
  [ 8696.976255] MSR: 80019033   CR: 8222  
XER: 2000
  [ 8696.976278] CFAR: c0008468 DAR: 000c DSISR: 4000 
SOFTE: 1 
 GPR00: c0084ca8 c000fd08f370 c14bda00 
 
 GPR04: 0001 c000fd08f408 0003 
d2c31e60 
 GPR08: c13bda00  c003873e6b80 
d2ca7c98 
 GPR12: 8800 ce831b00 d29421f8 
38ca4522 
 GPR16: c000fd08fdc0 c000fd08fe04 d2941878 
c000fc8054c0 
 GPR20: d238 d238 d2ccff90 
 
 GPR24: c165074c c0038e17e000 c13b5e00 
c0038e17e000 
 GPR28: c13b5e28 ca590600 c13b5df0 
c13b5e20 
  [ 8696.976396] NIP [c0084cc4] enable_ddw+0x254/0x7b0
  [ 8696.976405] LR [c0084ca8] enable_ddw+0x238/0x7b0
  [ 8696.976411] Call Trace:
  [ 8696.976419] [c000fd08f370] [c0084ca8] enable_ddw+0x238/0x7b0 
(unreliable)
  [ 8696.976431] [c000fd08f4b0] [c00866d8] 
dma_set_mask_pSeriesLP+0x218/0x2a0
  [ 8696.976444] [c000fd08f540] [c0023528] dma_set_mask+0x58/0xa0
  [ 8696.976474] [c000fd08f570] [d2c71280] 
lpfc_pci_probe_one+0xb0/0xc50 [lpfc]
  [ 8696.976486] [c000fd08f610] [c05987fc] 
local_pci_probe+0x6c/0x140
  [ 8696.976497] [c000fd08f6a0] [c0598a28] 
pci_device_probe+0x158/0x1e0
  [ 8696.976510] [c000fd08f700] [c067b744] 
driver_probe_device+0x1c4/0x5a0
  [ 8696.976522] [c000fd08f790] [c067bcdc] 
__driver_attach+0x11c/0x120
  [

[Kernel-packages] [Bug 1430341] Re: [Ubuntu 15.04] Enable perf to exploit 24x7 hardware counters

2015-03-25 Thread CDE Administration

comment from launchpad, please ignore

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Title:
  [Ubuntu 15.04] Enable perf to exploit 24x7 hardware counters

Status in linux package in Ubuntu:
  Fix Released

Bug description:
  == Comment: #0 - Breno Henrique Leitao bren...@br.ibm.com - 2014-11-06 
12:52:04 ==
  Enable perf tool to exploit POWER 24x7 hardware counters

  Parts of the project:
  a) Some patches upstream and done
  b) Reset targets on remaining features still to be done (jit support, symbol 
names)

  == Comment: #16 - Breno Henrique Leitao bren...@br.ibm.com - 2015-02-24 
08:06:45 ==
  Initial patches already accepted by Canonical on 117275. Patchset posted to 
community, waiting on
  review. (I had posted a version of the patchset in Dec after fixing minor 
comments. Waiting to hear back from community )

  == Comment: #18 - Sukadev Bhattiprolu s...@us.ibm.com - 2015-02-25 16:18:34 
==
  There are two separate patch sets, one for the perf tool and other
  for the kernel. They are both available in mainline 3.19-rc4.

  === Perf tool patches (4)

  Patch 1/4:
  http://marc.info/?l=linuxppc-embeddedm=142067974403807w=2
  commit 688d4df
  Author: Cody P Schafer c...@linux.vnet.ibm.com
  Date:   Wed Jan 7 17:13:50 2015 -0800

  perf tools: Support parsing parameterized events

  Patch 2/4:
  http://marc.info/?l=linux-kernelm=142067973603799w=2
  commit aaea361
  Author: Cody P Schafer c...@linux.vnet.ibm.com
  Date:   Wed Jan 7 17:13:51 2015 -0800

  perf tools: Extend format_alias() to include event parameters

  Patch 3/4:
  http://marc.info/?l=linux-kernelm=142067971103796w=2
  commit 98a43e0
  Author: Cody P Schafer c...@linux.vnet.ibm.com
  Date:   Wed Jan 7 17:13:52 2015 -0800

  perf Documentation: Add event parameters

  Patch 4/4:
  http://marc.info/?l=linux-kernelm=142067968803787w=2
  commit f9ab9c1
  Author: Cody P Schafer c...@linux.vnet.ibm.com
  Date:   Wed Jan 7 17:13:53 2015 -0800

  perf tools: Document parameterized and symbolic events

  === Kernel patches(7)
  Patch 1/7:
  http://marc.info/?l=linux-kernelm=142265456708471w=2
  commit fd979c0
  Author: Cody P Schafer c...@linux.vnet.ibm.com
  Date:   Fri Jan 30 13:45:57 2015 -0800

  perf: provide sysfs_show for struct perf_pmu_events_attr

  Patch 2/7:
  http://marc.info/?l=linux-kernelm=142265448108443w=2
  commit f0405b8
  Author: Cody P Schafer c...@linux.vnet.ibm.com
  Date:   Fri Jan 30 13:45:58 2015 -0800

  perf: add PMU_EVENT_ATTR_STRING() helper

  Patch 3/7:
  http://marc.info/?l=linux-kernelm=142265445208433w=2
  commit e08e528
  Author: suka...@linux.vnet.ibm.com suka...@linux.vnet.ibm.com
  Date:   Fri Jan 30 13:45:59 2015 -0800

  perf: define EVENT_DEFINE_RANGE_FORMAT_LITE helper

  Patch 4/7:
  http://marc.info/?l=linux-kernelm=142265452008458w=2
  commit 5c5cd7b
  Author: Cody P Schafer c...@linux.vnet.ibm.com
  Date:   Fri Jan 30 13:46:00 2015 -0800

  powerpc/perf/hv-24x7: parse catalog and populate sysfs with
  events

  Patch 5/7:
  http://marc.info/?l=linux-kernelm=142265450008450w=2
  commit 9e9f601
  Author: Cody P Schafer c...@linux.vnet.ibm.com
  Date:   Fri Jan 30 13:46:01 2015 -0800

  powerpc/perf/{hv-gpci, hv-common}: generate requests with
  counters annotated

  Patch 6/7:
  http://marc.info/?l=linux-kernelm=142265448408446w=2
  commit 97bf264
  Author: Cody P Schafer c...@linux.vnet.ibm.com
  Date:   Fri Jan 30 13:46:02 2015 -0800

  powerpc/perf/hv-gpci: add the remaining gpci requests

  Patch 7/7:
  http://marc.info/?l=linux-kernelm=142265446008435w=2
  commit 5c65670
  Author: Cody P Schafer c...@linux.vnet.ibm.com
  Date:   Fri Jan 30 13:46:03 2015 -0800

  powerpc/perf/hv-24x7: Document sysfs event description entries

  == Comment: #23 - Sukadev Bhattiprolu s...@us.ibm.com - 2015-02-26 13:22:13 
==
  Never mind.

  'git describe' seems to think they are in 3.19-rcX but they are
  not in 3.19.

  $ git describe fd979c0
  v3.19-rc2-62-gfd979c0

  $ git describe aaea361
  v3.19-rc4-172-gaaea361

  They were merged on Feb 2, so they should be in 4.0

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[Kernel-packages] [Bug 1580951] Re: Upgrade libseccomp from 2.2.3 ->2.3.1

[Kernel-packages] [Bug 1580951] Re: Upgrade libseccomp from 2.2.3 ->2.3.1

[Kernel-packages] [Bug 1580951] Re: Upgrade libseccomp from 2.2.3 ->2.3.1

[Kernel-packages] [Bug 1580951] Re: Upgrade libseccomp from 2.2.3 ->2.3.1

[Kernel-packages] [Bug 1486180] Re: Kernel OOPS during DLPAR operation with Fibre Channel adapter

[Kernel-packages] [Bug 1486180] Re: Kernel OOPS during DLPAR operation with Fibre Channel adapter

[Kernel-packages] [Bug 1430341] Re: [Ubuntu 15.04] Enable perf to exploit 24x7 hardware counters

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