Hi,
W dniu 7 stycznia 2012 16:34 użytkownik Michał Piotrowski mkkp4x4@gmail.com 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