please retest with neihu 140919-1 or later image which uses kernel 3.13.0-36.63+hwe3
** Tags added: bdw-bug -- 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 -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
