[Bug 1594023] Re: Poweroff or reboot hangs. Laptop won't shutdown. 16.04

2016-11-22 Thread Daniele Viganò
It seems that the code causing the bug will be reverted in 4.9-rc7:
https://bugzilla.kernel.org/show_bug.cgi?id=187061#c15

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  Poweroff or reboot hangs. Laptop won't shutdown. 16.04

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[Bug 1594023] Re: Poweroff or reboot hangs. Laptop won't shutdown. 16.04

2016-11-18 Thread Daniele Viganò
So, it seems we are all on Dell with a Samsung SSD 850 drive. Next week
I'll have a chance to try a different SSD from Kingston. I'll see if the
bug is still reproducible.

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Title:
  Poweroff or reboot hangs. Laptop won't shutdown. 16.04

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[Bug 1594023] Re: Poweroff or reboot hangs. Laptop won't shutdown. 16.04

2016-11-10 Thread Daniele Viganò
Could be related to this bug?

https://bugzilla.kernel.org/show_bug.cgi?id=187061
https://bugzilla.kernel.org/show_bug.cgi?id=151631

It affects kernels >= 4.8 on (as far as I know) any distro.
I'm experiencing problems on both Fedora 24 and Ubuntu 16.10 running kernel 4.8 
on a Dell Latitude E5450 with a Samsung 850 SSD.

** Bug watch added: Linux Kernel Bug Tracker #187061
   http://bugzilla.kernel.org/show_bug.cgi?id=187061

** Bug watch added: Linux Kernel Bug Tracker #151631
   http://bugzilla.kernel.org/show_bug.cgi?id=151631

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  Poweroff or reboot hangs. Laptop won't shutdown. 16.04

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[Bug 1353269] Re: celery worker crashes on startup when python-librabbitmq is used

2015-02-05 Thread Daniele Viganò
We have the same problem, any news on this topic?

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  celery worker crashes on startup when python-librabbitmq is used

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[Bug 1379340] Re: qemu-kvm guest panic for AMD smp trusty guests

2014-12-22 Thread Daniele Viganò
During the weekend I was able to reproduce the issue using a Trusty VM with 
kernel 3.13.0-43.72
kernel 3.13.0-44.73 fixes the issue.


** Tags removed: verification-needed-trusty
** Tags added: verification-done-trusty

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Title:
  qemu-kvm guest panic for AMD smp trusty guests

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[Bug 1379340] Re: qemu-kvm guest panic for AMD smp trusty guests

2014-12-19 Thread Daniele Viganò
I can confirm that the issue looks fixed using 3.13.0-44.73~precise1
from precise-proposed.

I made more than ten reboots with the new kernel installed on VMs and
all were successful. Then I switched back to the previous
3.13.0-43.72~precise1 and VMs boot failed at the first trial. Again back
to propose 3.13.0-44.73~precise1 at VM were booting fine.

I'm not using Trusty on these AMD machines so I cannot test it. But the
kernel is the same as precise so the issue should be fixed also on
Trusty.

** Tags added: verification-done-precise

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  qemu-kvm guest panic for AMD smp trusty guests

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[Bug 1379340] Re: qemu-kvm guest panic for AMD smp trusty guests

2014-12-11 Thread Daniele Viganò
I have this issue running an Ubuntu 12.04.5 guest (running kernel
3.13.0-43-generic) on a KVM Hypervisor with the same configuration
(Ubuntu 12.04.5, 3.13.0-43, CPU 4x AMD Opteron(TM) Processor 6274, Dell
R915).

I'm unable to boot the guest the 80% of the trials. The error is
reproducible even with a specific guest CPU configured or with the QEMU
generic one. This is the output from a brand new Ubuntu 12.04.5
installation:

[5.136174] divide error:  [#1] SMP 
[5.139614] Modules linked in: floppy
[5.143686] CPU: 1 PID: 36 Comm: migration/1 Not tainted 3.13.0-43-generic 
#72~precise1-Ubuntu
[5.144868] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2007
[5.144868] task: 880409699800 ti: 8804096a task.ti: 
8804096a
[5.144868] RIP: 0010:[81051e64]  [81051e64] 
kvm_unlock_kick+0xa4/0x100
[5.144868] RSP: 0018:8804096a1cf8  EFLAGS: 00010046
[5.144868] RAX: 0005 RBX:  RCX: 0002
[5.144868] RDX:  RSI: 88041fc53480 RDI: 0100
[5.144868] RBP: 8804096a1d18 R08: 81eb54e8 R09: 
[5.144868] R10:  R11:  R12: 88041fc53480
[5.144868] R13: 166c R14: 0002 R15: 88041fc53480
[5.144868] FS:  7f8557f1f700() GS:88041fc2() 
knlGS:
[5.144868] CS:  0010 DS:  ES:  CR0: 8005003b
[5.144868] CR2: 7f8556b2f570 CR3: 000404ee2000 CR4: 06e0
[5.144868] Stack:
[5.144868]  880404dd 0002 880404dd0654 
88041fc33480
[5.144868]  8804096a1d28 8174b8ba 8804096a1d38 
817645fa
[5.144868]  8804096a1d98 8109d37b 8804096a1d78 
0002
[5.144868] Call Trace:
[5.144868]  [8174b8ba] __ticket_unlock_slowpath+0x2e/0x32
[5.144868]  [817645fa] _raw_spin_unlock+0x2a/0x30
[5.144868]  [8109d37b] __migrate_task+0xcb/0x180
[5.144868]  [8109d430] ? __migrate_task+0x180/0x180
[5.144868]  [8109d453] migration_cpu_stop+0x23/0x30
[5.144868]  [810fb8d3] cpu_stopper_thread+0x83/0x150
[5.144868]  [817606be] ? __schedule+0x38e/0x700
[5.144868]  [8109704d] smpboot_thread_fn+0xfd/0x180
[5.144868]  [81096f50] ? SyS_setgroups+0x170/0x170
[5.144868]  [8108fb59] kthread+0xc9/0xe0
[5.144868]  [8108fa90] ? flush_kthread_worker+0xb0/0xb0
[5.144868]  [8176d5bc] ret_from_fork+0x7c/0xb0
[5.144868]  [8108fa90] ? flush_kthread_worker+0xb0/0xb0
[5.144868] Code: 08 66 44 39 ea 75 c0 0f b6 15 e9 35 e6 00 84 d2 75 2e 83 
05 fa 35 e6 00 01 48 c7 c0 8a a0 00 00 31 db 0f b7 0c 01 b8 05 00 00 00 0f 01 
c1 66 0f 1f 84 00 00 00 00 00 5b 41 5c 41 5d 41 5e 5d c3 
[5.144868] RIP  [81051e64] kvm_unlock_kick+0xa4/0x100
[5.144868]  RSP 8804096a1cf8
[5.144868] ---[ end trace 9f5442e8ee6f35f7 ]---

Attached you can find the full NMI trace (12 vCPU).
 

** Attachment added: Full error backtrace
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1379340/+attachment/4278654/+files/NMI_backtrace.txt

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  qemu-kvm guest panic for AMD smp trusty guests

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[Bug 1307473] Re: guest hang due to missing clock interrupt

2014-07-31 Thread Daniele Viganò
I confirm, like Jeff Wilson, that I had the same issue with 3.13 and got
resolved with 3.14.1.

I cannot right now test the kernel suggested in #46.

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Title:
  guest hang due to missing clock interrupt

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[Bug 1322407] Re: NFS kernel server creates a kworker with 100% CPU usage, then hangs randomly

2014-07-10 Thread Daniele Viganò
I have the same issue on Ubuntu 12.04 LTS using Trusty kernel:

Linux version 3.13.0-29-generic (buildd@roseapple) (gcc version 4.6.3
(Ubuntu/Linaro 4.6.3-1ubuntu5) ) #53~precise1-Ubuntu SMP Wed Jun 4
22:06:25 UTC 2014

Distributor ID: Ubuntu
Description:Ubuntu 12.04.4 LTS
Release:12.04
Codename:   precise

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Title:
  NFS kernel server creates a kworker with 100% CPU usage, then hangs
  randomly

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[Bug 1240421] [NEW] Unable to upgrade procps inside an LXC

2013-10-16 Thread Daniele Viganò
Public bug reported:

I'm unable to upgrade to procps 1:3.2.8-11ubuntu6.1 inside an LXC on
Ubuntu 12.04.3 (same version for both host and container).

When I run 'apt-get upgrade' I get:
Setting up procps (1:3.2.8-11ubuntu6.1) ...
start: Job failed to start
invoke-rc.d: initscript procps, action start failed.
dpkg: error processing procps (--configure):
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
 procps
E: Sub-process /usr/bin/dpkg returned an error code (1)

So I'm unable to cleanly upgrade the system. Nothing has changed in the
machine settings. Same error with dpkg -i.


Description:Ubuntu 12.04.3 LTS
Release:12.04

procps:
  Installed: 1:3.2.8-11ubuntu6.1
  Candidate: 1:3.2.8-11ubuntu6.1
  Version table:
 *** 1:3.2.8-11ubuntu6.1 0
500 http://archive.ubuntu.com/ubuntu/ precise-updates/main amd64 
Packages
100 /var/lib/dpkg/status
 1:3.2.8-11ubuntu6 0
500 http://archive.ubuntu.com/ubuntu/ precise/main amd64 Packages


** Affects: procps (Ubuntu)
 Importance: Undecided
 Status: Confirmed

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  Unable to upgrade procps inside an LXC

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[Bug 1157643] Re: procps fail to start

2013-10-16 Thread Daniele Viganò
Same problem on LXC containers. And
https://bugs.launchpad.net/ubuntu/+source/procps/+bug/1157643/comments/11
doesn't fix the issue for me.

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  procps fail to start

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[Bug 1200533] Re: Please update AMD ucode/microcode in linux-firmware

2013-10-16 Thread Daniele Viganò
The AMD microcode coming from linux-firmware - 1.79.6 is freezing 99% of
the times my 5 Dell PowerEdge M915 blades (4x64 Cores Opteron 6274,
currently with 3.0.4 BIOS).

This happens both at boot and also if I blacklist the 'microcode' module
and then I run 'modprobe microcode' after the system is up. To have
always a successful boot I had to blacklist the microcode module.

###
Description:Ubuntu 12.04.3 LTS
Release:12.04
Linux marley 3.8.0-31-generic #46~precise1-Ubuntu SMP Wed Sep 11 18:21:16 UTC 
2013 x86_64 x86_64 x86_64 GNU/Linux
###

root@marley:~# dpkg -S /lib/firmware/amd-ucode/microcode_amd*
linux-firmware: /lib/firmware/amd-ucode/microcode_amd.bin
linux-firmware: /lib/firmware/amd-ucode/microcode_amd.bin.asc
linux-firmware: /lib/firmware/amd-ucode/microcode_amd_fam15h.bin
linux-firmware: /lib/firmware/amd-ucode/microcode_amd_fam15h.bin.asc

###

root@marley:~# apt-cache show linux-firmware
Package: linux-firmware
Priority: optional
Section: misc
Installed-Size: 41502
Maintainer: Ubuntu Kernel Team kernel-t...@lists.ubuntu.com
Architecture: all
Version: 1.79.6
Replaces: atmel-firmware, linux-restricted-common
Provides: atmel-firmware
Conflicts: atmel-firmware
Filename: pool/main/l/linux-firmware/linux-firmware_1.79.6_all.deb
Size: 23217718
MD5sum: b774085d0ad3bb87bdf60b9590df1ba6
SHA1: 89ce403513450402be1190659ddbe1c9ed9db54e
SHA256: 5945561ab9bffbf9d91d618bf9fe5862b9d42abdff797429bc75b8d034b7fb28
Description-en: Firmware for Linux kernel drivers
 This package provides firmware used by Linux kernel drivers.
Multi-Arch: foreign
Description-md5: 7a047bff9e44dce458a300976c12f9da
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Origin: Ubuntu
Supported: 5y

###

dmidecode attached

** Attachment added: dmidecode.log
   
https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1200533/+attachment/3879282/+files/dmidecode.log

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  Please update AMD ucode/microcode in linux-firmware

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[Bug 1200533] Re: Please update AMD ucode/microcode in linux-firmware

2013-10-16 Thread Daniele Viganò
Thanks Grant.
The update is already scheduled for next Monday morning. I'll keep you updated.

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  Please update AMD ucode/microcode in linux-firmware

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