kernel-packages team mailing list archive

[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:

apport-collect 1354459

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1354459

Title:
  kernel crash power 8 bare metal

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  I'm seeing crashes on power8 bare metal (powerNV).
  happens sometimes.

  
  [   66.852889] Workqueue: events .work_for_cpu_fn
  [   66.852950] Call Trace:
  [   66.852977] [c000000fe6edae60] [c000000000016af0] .show_stack+0x170/0x290 (unreliable)
  [   66.853063] [c000000fe6edaf50] [c000000000966fc0] .dump_stack+0x88/0xb4
  [   66.853138] [c000000fe6edafd0] [c000000000111680] .rcu_check_callbacks+0x5b0/0x950
  [   66.853225] [c000000fe6edb100] [c0000000000ad2f8] .update_process_times+0x58/0xb0
  [   66.853311] [c000000fe6edb190] [c00000000011f890] .tick_sched_handle.isra.17+0x40/0xd0
  [   66.853397] [c000000fe6edb220] [c00000000011f984] .tick_sched_timer+0x64/0xa0
  [   66.853472] [c000000fe6edb2c0] [c0000000000cda50] .__run_hrtimer+0xa0/0x270
  [   66.853546] [c000000fe6edb360] [c0000000000ce948] .hrtimer_interrupt+0x148/0x330
  [   66.853633] [c000000fe6edb470] [c000000000020a00] .timer_interrupt+0x120/0x2c0
  [   66.853718] [c000000fe6edb520] [c0000000000023d8] decrementer_common+0x158/0x180
  [   66.853805] --- Exception: 901 at ._raw_spin_lock_irqsave+0xb0/0x110
  [   66.853805]     LR = ._raw_spin_lock_irqsave+0xe8/0x110
  [   66.853916] [c000000fe6edb810] [c0000000000f0cb4] .finish_wait+0x74/0xb0 (unreliable)
  [   66.854008] [c000000fe6edb8a0] [d00000000eeaa4f4] .ipr_probe_ioa+0xd84/0x1370 [ipr]
  [   66.854096] [c000000fe6edb9d0] [d00000000eeb25c4] .ipr_probe+0x44/0x4c0 [ipr]
  [   66.854171] [c000000fe6edbac0] [c000000000516cfc] .local_pci_probe+0x4c/0xe0
  [   66.854245] [c000000fe6edbb40] [c0000000000bae68] .work_for_cpu_fn+0x38/0x60
  [   66.854319] [c000000fe6edbbc0] [c0000000000bf628] .process_one_work+0x1a8/0x4d0
  [   66.854405] [c000000fe6edbc60] [c0000000000c04fc] .worker_thread+0x38c/0x4a0
  [   66.854479] [c000000fe6edbd30] [c0000000000c98a0] .kthread+0x110/0x130
  [   66.854553] [c000000fe6edbe30] [c00000000000a460] .ret_from_kernel_thread+0x5c/0x7c
  [   72.412653] BUG: soft lockup - CPU#40 stuck for 22s! [kworker/40:0:209]

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1354459/+subscriptions