linux-kernel - kernel 3.1-rc4: BUG soft lockup (w/frame pointers enabled)

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Date:	Sat, 10 Sep 2011 10:10:00 -0400 (EDT)
From:	Justin Piszcz <jpiszcz@...idpixels.com>
To:	linux-kernel@...r.kernel.org
cc:	Alan Piszcz <ap@...arrain.com>
Subject: kernel 3.1-rc4: BUG soft lockup (w/frame pointers enabled)

Hi,

Still getting these every now and then:

[490572.973022] BUG: soft lockup - CPU#21 stuck for 22s! [kswapd1:948]
[490572.973026] Modules linked in: tcp_diag parport_pc ppdev lp parport inet_diag pl2303 ftdi_sio snd_usb_audio snd_pcm_oss snd_mixer_oss snd_pcm snd_page_alloc snd_hwdep snd_usbmidi_lib snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd soundcore ub cdc_acm usbserial joydev serio_raw nouveau ttm drm_kms_helper drm agpgart i2c_algo_bit mxm_wmi wmi i7core_edac edac_core video
[490572.973052] CPU 21 
[490572.973053] Modules linked in: tcp_diag parport_pc ppdev lp parport inet_diag pl2303 ftdi_sio snd_usb_audio snd_pcm_oss snd_mixer_oss snd_pcm snd_page_alloc snd_hwdep snd_usbmidi_lib snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd soundcore ub cdc_acm usbserial joydev serio_raw nouveau ttm drm_kms_helper drm agpgart i2c_algo_bit mxm_wmi wmi i7core_edac edac_core video
[490572.973070] 
[490572.973072] Pid: 948, comm: kswapd1 Not tainted 3.1.0-rc4 #1 Supermicro X8DTH-i/6/iF/6F/X8DTH
[490572.973075] RIP: 0010:[<ffffffff810857de>]  [<ffffffff810857de>] find_get_pages+0x4e/0x130
[490572.973086] RSP: 0018:ffff88062613baf0  EFLAGS: 00000246
[490572.973087] RAX: ffff8809f7e98b98 RBX: 0000000000000000 RCX: 0000000000000000
[490572.973089] RDX: ffff88062613bb90 RSI: 000000000000000e RDI: ffffea00025d50f8
[490572.973090] RBP: ffff88062613bb40 R08: 0000000000000000 R09: ffff88062613bab0
[490572.973092] R10: 0000000000000396 R11: 000000000000000d R12: ffffea0001ae52b8
[490572.973094] R13: ffffffff8108b5ad R14: ffff88062613ba70 R15: dead000000100100
[490572.973096] FS:  0000000000000000(0000) GS:ffff880c3fd20000(0000) knlGS:0000000000000000
[490572.973097] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[490572.973099] CR2: ffffffffff600400 CR3: 0000000001845000 CR4: 00000000000006e0
[490572.973100] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[490572.973102] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[490572.973104] Process kswapd1 (pid: 948, threadinfo ffff88062613a000, task ffff880626c85950)
[490572.973105] Stack:
[490572.973107]  ffffea0001ae2b58 ffffea0001ae5280 ffffea0001ae52b8 0000000000000000
[490572.973112]  ffff88062613bb30 ffff88062613bb80 0000000000000273 ffffffffffffffff
[490572.973115]  ffff8808dca24e48 ffffea0001ae52b8 ffff88062613bb60 ffffffff8108da0d
[490572.973118] Call Trace:
[490572.973125]  [<ffffffff8108da0d>] pagevec_lookup+0x1d/0x30
[490572.973128]  [<ffffffff8108f7b0>] invalidate_mapping_pages+0x70/0x1b0
[490572.973133]  [<ffffffff810de2b2>] prune_icache_sb+0x292/0x2e0
[490572.973138]  [<ffffffff810c8413>] prune_super+0x193/0x1b0
[490572.973140]  [<ffffffff81090211>] shrink_slab+0x121/0x1b0
[490572.973143]  [<ffffffff81092f1a>] balance_pgdat+0x4fa/0x690
[490572.973146]  [<ffffffff81093163>] kswapd+0xb3/0x250
[490572.973150]  [<ffffffff81052b80>] ? abort_exclusive_wait+0xb0/0xb0
[490572.973153]  [<ffffffff810930b0>] ? balance_pgdat+0x690/0x690
[490572.973155]  [<ffffffff810523b7>] kthread+0x87/0x90
[490572.973160]  [<ffffffff815dbdb4>] kernel_thread_helper+0x4/0x10
[490572.973163]  [<ffffffff81052330>] ? kthread_worker_fn+0x130/0x130
[490572.973165]  [<ffffffff815dbdb0>] ? gs_change+0xb/0xb
[490572.973166] Code: 45 89 e8 4c 89 e1 4c 89 f7 e8 0f 6b 26 00 85 c0 89 c6 0f 84 c5 00 00 00 48 89 da 31 c9 45 31 ff 0f 1f 44 00 00 48 8b 02 48 8b 38 
[490572.973179]  85 ff 74 3e 40 f6 c7 03 75 5f 44 8b 47 1c 45 85 c0 74 ec 45 
[490572.973189] Call Trace:
[490572.973191]  [<ffffffff8108da0d>] pagevec_lookup+0x1d/0x30
[490572.973194]  [<ffffffff8108f7b0>] invalidate_mapping_pages+0x70/0x1b0
[490572.973197]  [<ffffffff810de2b2>] prune_icache_sb+0x292/0x2e0
[490572.973199]  [<ffffffff810c8413>] prune_super+0x193/0x1b0
[490572.973202]  [<ffffffff81090211>] shrink_slab+0x121/0x1b0
[490572.973204]  [<ffffffff81092f1a>] balance_pgdat+0x4fa/0x690
[490572.973207]  [<ffffffff81093163>] kswapd+0xb3/0x250
[490572.973209]  [<ffffffff81052b80>] ? abort_exclusive_wait+0xb0/0xb0
[490572.973215]  [<ffffffff810930b0>] ? balance_pgdat+0x690/0x690
[490572.973217]  [<ffffffff810523b7>] kthread+0x87/0x90
[490572.973219]  [<ffffffff815dbdb4>] kernel_thread_helper+0x4/0x10
[490572.973222]  [<ffffffff81052330>] ? kthread_worker_fn+0x130/0x130
[490572.973224]  [<ffffffff815dbdb0>] ? gs_change+0xb/0xb


Justin.

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