lkml.org 
[lkml]   [2013]   [Feb]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: odd GPF bug on resume from hibernate.
On Wed, Feb 20, 2013 at 08:42:46PM +0100, Rafael J. Wysocki wrote:
> On Wednesday, February 20, 2013 02:28:26 PM Dave Jones wrote:
> > We had two users report hitting a bug that looks like this..
> >
> > general protection fault: 8800 [#1] SMP
> >
> > 0: ca 00 55 lret $0x5500
> >
> > At this point I don't know where to begin debugging..
> >
> > Is that 8800 error code a clue ?
>
> Does CPU offline/online work on this machine?

I just asked the user to give that a try at https://bugzilla.redhat.com/show_bug.cgi?id=910162

Incidentally, I found that offlining a cpu in Linus' current tree
causes a mess..


numa_remove_cpu cpu 1 node 0: mask now 0,2-3
smpboot: CPU 1 is now offline
BUG: using smp_processor_id() in preemptible [00000000] code: bash/5976
caller is cmci_rediscover+0x6b/0xe0
Pid: 5976, comm: bash Not tainted 3.8.0-rc7+ #63
Call Trace:
[<ffffffff812fb901>] debug_smp_processor_id+0xe1/0x100
[<ffffffff8101e4bb>] cmci_rediscover+0x6b/0xe0
[<ffffffff8158f55f>] mce_cpu_callback+0x1af/0x1c3
[<ffffffff815a6893>] notifier_call_chain+0x53/0xa0
[<ffffffff8107338e>] __raw_notifier_call_chain+0xe/0x10
[<ffffffff810491e0>] __cpu_notify+0x20/0x40
[<ffffffff81049215>] cpu_notify+0x15/0x20
[<ffffffff8104939e>] cpu_notify_nofail+0xe/0x20
[<ffffffff81588512>] _cpu_down+0x242/0x2b0
[<ffffffff815885b6>] cpu_down+0x36/0x50
[<ffffffff8158b4bd>] store_online+0x5d/0xe0
[<ffffffff813c01b8>] dev_attr_store+0x18/0x30
[<ffffffff81200ac0>] sysfs_write_file+0xe0/0x150
[<ffffffff81191dcf>] vfs_write+0xaf/0x190
[<ffffffff81192125>] sys_write+0x55/0xa0
[<ffffffff815aa9d9>] system_call_fastpath+0x16/0x1b
BUG: using smp_processor_id() in preemptible [00000000] code: bash/5976
caller is cmci_rediscover+0x6b/0xe0
Pid: 5976, comm: bash Not tainted 3.8.0-rc7+ #63
Call Trace:
[<ffffffff812fb901>] debug_smp_processor_id+0xe1/0x100
[<ffffffff8101e4bb>] cmci_rediscover+0x6b/0xe0
[<ffffffff8158f55f>] mce_cpu_callback+0x1af/0x1c3
[<ffffffff815a6893>] notifier_call_chain+0x53/0xa0
[<ffffffff8107338e>] __raw_notifier_call_chain+0xe/0x10
[<ffffffff810491e0>] __cpu_notify+0x20/0x40
[<ffffffff81049215>] cpu_notify+0x15/0x20
[<ffffffff8104939e>] cpu_notify_nofail+0xe/0x20
[<ffffffff81588512>] _cpu_down+0x242/0x2b0
[<ffffffff815885b6>] cpu_down+0x36/0x50
[<ffffffff8158b4bd>] store_online+0x5d/0xe0
[<ffffffff813c01b8>] dev_attr_store+0x18/0x30
[<ffffffff81200ac0>] sysfs_write_file+0xe0/0x150
[<ffffffff81191dcf>] vfs_write+0xaf/0x190
[<ffffffff81192125>] sys_write+0x55/0xa0
[<ffffffff815aa9d9>] system_call_fastpath+0x16/0x1b
BUG: using smp_processor_id() in preemptible [00000000] code: bash/5976
caller is cmci_rediscover+0x6b/0xe0
Pid: 5976, comm: bash Not tainted 3.8.0-rc7+ #63
Call Trace:
[<ffffffff812fb901>] debug_smp_processor_id+0xe1/0x100
[<ffffffff8101e4bb>] cmci_rediscover+0x6b/0xe0
[<ffffffff8158f55f>] mce_cpu_callback+0x1af/0x1c3
[<ffffffff815a6893>] notifier_call_chain+0x53/0xa0
[<ffffffff8107338e>] __raw_notifier_call_chain+0xe/0x10
[<ffffffff810491e0>] __cpu_notify+0x20/0x40
[<ffffffff81049215>] cpu_notify+0x15/0x20
[<ffffffff8104939e>] cpu_notify_nofail+0xe/0x20
[<ffffffff81588512>] _cpu_down+0x242/0x2b0
[<ffffffff815885b6>] cpu_down+0x36/0x50
[<ffffffff8158b4bd>] store_online+0x5d/0xe0
[<ffffffff813c01b8>] dev_attr_store+0x18/0x30
[<ffffffff81200ac0>] sysfs_write_file+0xe0/0x150
[<ffffffff81191dcf>] vfs_write+0xaf/0x190
[<ffffffff81192125>] sys_write+0x55/0xa0
[<ffffffff815aa9d9>] system_call_fastpath+0x16/0x1b
BUG: using smp_processor_id() in preemptible [00000000] code: bash/5976
caller is cmci_discover+0x25/0x260
Pid: 5976, comm: bash Not tainted 3.8.0-rc7+ #63
Call Trace:
[<ffffffff812fb901>] debug_smp_processor_id+0xe1/0x100
[<ffffffff8101de25>] cmci_discover+0x25/0x260
[<ffffffff81005575>] ? show_trace+0x15/0x20
[<ffffffff815950c4>] ? dump_stack+0x77/0x80
[<ffffffff8102444b>] ? lapic_get_maxlvt+0x1b/0x30
[<ffffffff8101e112>] cmci_rediscover_work_func+0x22/0x30
[<ffffffff8101e527>] cmci_rediscover+0xd7/0xe0
[<ffffffff8158f55f>] mce_cpu_callback+0x1af/0x1c3
[<ffffffff815a6893>] notifier_call_chain+0x53/0xa0
[<ffffffff8107338e>] __raw_notifier_call_chain+0xe/0x10
[<ffffffff810491e0>] __cpu_notify+0x20/0x40
[<ffffffff81049215>] cpu_notify+0x15/0x20
[<ffffffff8104939e>] cpu_notify_nofail+0xe/0x20
[<ffffffff81588512>] _cpu_down+0x242/0x2b0
[<ffffffff815885b6>] cpu_down+0x36/0x50
[<ffffffff8158b4bd>] store_online+0x5d/0xe0
[<ffffffff813c01b8>] dev_attr_store+0x18/0x30
[<ffffffff81200ac0>] sysfs_write_file+0xe0/0x150
[<ffffffff81191dcf>] vfs_write+0xaf/0x190
[<ffffffff81192125>] sys_write+0x55/0xa0
[<ffffffff815aa9d9>] system_call_fastpath+0x16/0x1b




\
 
 \ /
  Last update: 2013-02-20 22:02    [W:0.034 / U:0.704 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site