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Re: F16 Linux 3.1 soft lockups



Hi,

W dniu 7 stycznia 2012 16:34 użytkownik Michał Piotrowski
<mkkp4x4@xxxxxxxxx> napisał:
> Hi,
>
> I've noticed some strange soft lockup behaviour on my system (please
> see the attachment). Soft lockup appears to be caused by kswapd0
> process. It seems to me that in both cases this error occured when I
> used "git fsck --full" or "git gc" commands.
>

I've got the same problem on 3.2.6-3.fc16. Any ideas what might be
happening? I turned off the swap partition to see if this help.

Feb 20 18:18:47 ozzy kernel: [33356.102007] BUG: soft lockup - CPU#1
stuck for 23s! [kswapd0:36]
Feb 20 18:18:47 ozzy kernel: [33356.102008] Modules linked in:
smsc47m192 hwmon_vid coretemp i2c_i801 serio_raw iTCO_wdt
iTCO_vendor_support r8169 mii sata_si
l i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded:
scsi_wait_scan]
Feb 20 18:18:47 ozzy kernel: [33356.102008] CPU 1
Feb 20 18:18:47 ozzy kernel: [33356.102008] Modules linked in:
smsc47m192 hwmon_vid coretemp i2c_i801 serio_raw iTCO_wdt
iTCO_vendor_support r8169 mii sata_si
l i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded:
scsi_wait_scan]
Feb 20 18:18:47 ozzy kernel: [33356.102008]
Feb 20 18:18:47 ozzy kernel: [33356.102008] Pid: 36, comm: kswapd0 Not
tainted 3.2.6-3.fc16.x86_64 #1                  /D945GCLF2
Feb 20 18:18:47 ozzy kernel: [33356.102008] RIP:
0010:[<ffffffff815e18b1>]  [<ffffffff815e18b1>]
_raw_spin_trylock+0x1/0x40
Feb 20 18:18:47 ozzy kernel: [33356.102008] RSP: 0018:ffff88007834bb60
 EFLAGS: 00000282
Feb 20 18:18:47 ozzy kernel: [33356.102008] RAX: 000000009d689d68 RBX:
ffff880042762700 RCX: 0000000000000014
Feb 20 18:18:47 ozzy kernel: [33356.102008] RDX: 0000000000009d68 RSI:
ffff88004271bcc0 RDI: ffff880042762390
Feb 20 18:18:47 ozzy kernel: [33356.102008] RBP: ffff88007834bbc0 R08:
ffff880042762ad8 R09: ffffc90000000000
Feb 20 18:18:47 ozzy kernel: [33356.102008] R10: 0000000000000000 R11:
0000000000000002 R12: ffff88007834bb00
Feb 20 18:18:47 ozzy kernel: [33356.102008] R13: 0000000000000282 R14:
ffff88007834bb00 R15: ffff88007f293780
Feb 20 18:18:47 ozzy kernel: [33356.102008] FS:
0000000000000000(0000) GS:ffff88007f280000(0000)
knlGS:0000000000000000
Feb 20 18:18:47 ozzy kernel: [33356.102008] CS:  0010 DS: 0000 ES:
0000 CR0: 000000008005003b
Feb 20 18:18:47 ozzy kernel: [33356.102008] CR2: 00007f4f3961e000 CR3:
0000000001a05000 CR4: 00000000000006e0
Feb 20 18:18:47 ozzy kernel: [33356.102008] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Feb 20 18:18:47 ozzy kernel: [33356.102008] DR3: 0000000000000000 DR6:
00000000ffff0ff0 DR7: 0000000000000400
Feb 20 18:18:47 ozzy kernel: [33356.102008] Process kswapd0 (pid: 36,
threadinfo ffff88007834a000, task ffff88007b63c560)
Feb 20 18:18:47 ozzy kernel: [33356.102008] Stack:
Feb 20 18:18:47 ozzy kernel: [33356.102008]  ffff88007834bbc0
ffffffff8118ef15 0000000000000240 ffff88004271bcc0
Feb 20 18:18:47 ozzy kernel: [33356.102008]  ffff88007834bba0
ffff88004271c140 ffffffffffffff04 ffff88004272d500
Feb 20 18:18:47 ozzy kernel: [33356.102008]  ffff88004272d4dc
ffff880076191800 0000000000000000 ffff8800761918e0
Feb 20 18:18:47 ozzy kernel: [33356.102008] Call Trace:
Feb 20 18:18:47 ozzy kernel: [33356.102008]  [<ffffffff8118ef15>] ?
shrink_dentry_list+0xa5/0x1e0
Feb 20 18:18:47 ozzy kernel: [33356.102008]  [<ffffffff8118fc11>]
prune_dcache_sb+0x121/0x140
Feb 20 18:18:47 ozzy kernel: [33356.102008]  [<ffffffff8117c060>]
prune_super+0x130/0x1a0
Feb 20 18:18:47 ozzy kernel: [33356.102008]  [<ffffffff8112bab4>]
shrink_slab+0x154/0x310
Feb 20 18:18:47 ozzy kernel: [33356.102008]  [<ffffffff8112f22a>]
balance_pgdat+0x4fa/0x6c0
Feb 20 18:18:47 ozzy kernel: [33356.102008]  [<ffffffff8112f568>]
kswapd+0x178/0x3d0
Feb 20 18:18:47 ozzy kernel: [33356.102008]  [<ffffffff815df2c4>] ?
__schedule+0x3d4/0x8c0
Feb 20 18:18:47 ozzy kernel: [33356.102008]  [<ffffffff81090440>] ?
remove_wait_queue+0x50/0x50
Feb 20 18:18:47 ozzy kernel: [33356.102008]  [<ffffffff8112f3f0>] ?
balance_pgdat+0x6c0/0x6c0
Feb 20 18:18:47 ozzy kernel: [33356.102008]  [<ffffffff8108fb9c>]
kthread+0x8c/0xa0
Feb 20 18:18:47 ozzy kernel: [33356.102008]  [<ffffffff815ebaf4>]
kernel_thread_helper+0x4/0x10
Feb 20 18:18:47 ozzy kernel: [33356.102008]  [<ffffffff8108fb10>] ?
kthread_worker_fn+0x190/0x190
Feb 20 18:18:47 ozzy kernel: [33356.102008]  [<ffffffff815ebaf0>] ?
gs_change+0x13/0x13
Feb 20 18:18:47 ozzy kernel: [33356.102008] Code: 66 2e 0f 1f 84 00 00
00 00 00 55 48 c7 c2 ff ff ff ff be 01 00 00 00 48 89 e5 e8 8b fe ff
ff 5d c3 90 90 90 90 90 90 90 90 90 55 <48> 89 e5 66 66 66 66 90 8b 17
31 c0 89 d1 c1 e9 10 66 39 ca 74
Feb 20 18:18:47 ozzy kernel: [33356.102008] Call Trace:
Feb 20 18:18:47 ozzy kernel: [33356.102008]  [<ffffffff8118ef15>] ?
shrink_dentry_list+0xa5/0x1e0
Feb 20 18:18:47 ozzy kernel: [33356.102008]  [<ffffffff8118fc11>]
prune_dcache_sb+0x121/0x140
Feb 20 18:18:47 ozzy kernel: [33356.102008]  [<ffffffff8117c060>]
prune_super+0x130/0x1a0
Feb 20 18:18:47 ozzy kernel: [33356.102008]  [<ffffffff8112bab4>]
shrink_slab+0x154/0x310
Feb 20 18:18:47 ozzy kernel: [33356.102008]  [<ffffffff8112f22a>]
balance_pgdat+0x4fa/0x6c0
Feb 20 18:18:47 ozzy kernel: [33356.102008]  [<ffffffff8112f568>]
kswapd+0x178/0x3d0
Feb 20 18:18:47 ozzy kernel: [33356.102008]  [<ffffffff815df2c4>] ?
__schedule+0x3d4/0x8c0
Feb 20 18:18:47 ozzy kernel: [33356.102008]  [<ffffffff81090440>] ?
remove_wait_queue+0x50/0x50
Feb 20 18:18:47 ozzy kernel: [33356.102008]  [<ffffffff8112f3f0>] ?
balance_pgdat+0x6c0/0x6c0
Feb 20 18:18:47 ozzy kernel: [33356.102008]  [<ffffffff8108fb9c>]
kthread+0x8c/0xa0
Feb 20 18:18:47 ozzy kernel: [33356.102008]  [<ffffffff815ebaf4>]
kernel_thread_helper+0x4/0x10
Feb 20 18:18:47 ozzy kernel: [33356.102008]  [<ffffffff8108fb10>] ?
kthread_worker_fn+0x190/0x190
Feb 20 18:18:47 ozzy kernel: [33356.102008]  [<ffffffff815ebaf0>] ?
gs_change+0x13/0x13



-- 
Best regards,
Michal

http://eventhorizon.pl/
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