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Message-ID: <463B5D63.2030109@googlemail.com>
Date: Fri, 04 May 2007 18:20:51 +0200
From: Michal Piotrowski <michal.k.k.piotrowski@...il.com>
To: Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
viro@....linux.org.uk, linux-ext4@...r.kernel.org,
LKML <linux-kernel@...r.kernel.org>
Subject: 2.6.21-git4 Scheduler, NOHZ, VFS bugs
Hi,
I ran this script tree times,
#! /bin/sh
for i in `find /sys/ -type f`
do
echo "wyświetlam $i"
sudo cat $i > /dev/null
done
First run - scheduler bug
Second run - NOHZ bug
Third - VFS bug
Hmmmm...
[93298.252601] BUG: at /mnt/md0/devel/linux-git/kernel/sched.c:3241 add_preempt_count()
[93298.260334] [<c0105039>] show_trace_log_lvl+0x1a/0x2f
[93298.265507] [<c0105720>] show_trace+0x12/0x14
[93298.269974] [<c01057d2>] dump_stack+0x16/0x18
[93298.274434] [<c011d18a>] add_preempt_count+0x89/0x8b
[93298.279501] [<c0126492>] irq_enter+0xd/0x2e
[93298.283788] [<c0114c1e>] smp_apic_timer_interrupt+0x2a/0x84
[93298.289458] [<c0104b2b>] apic_timer_interrupt+0x33/0x38
[93298.294783] [<c0257b79>] show_uevent+0x58/0xcd
[93298.299329] =======================
[93390.468056] NOHZ: local_softirq_pending 22
[93447.105850] NOHZ: local_softirq_pending 22
[93450.332884] BUG: unable to handle kernel paging request at virtual address 3e343c0c
[93450.340626] printing eip:
[93450.343333] c018e2bc
[93450.345520] *pde = 00000000
[93450.348314] Oops: 0000 [#1]
[93450.351105] PREEMPT SMP
[93450.353683] Modules linked in: iptable_filter ip_tables oprofile snd_rtctimer ipt_MASQUERADE nf_nat autofs4 af_packet nf_conntrack_netbios_ns ipt_REJECT nf_conntrack_ipv4 xt_state nf_conntrack nfnetlink ip6t_REJECT xt_tcpudp ip6table_filter ip6_tables x_tables ipv6 binfmt_misc thermal processor fan container nvram snd_intel8x0 snd_ac97_codec ac97_bus snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss evdev snd_pcm snd_timer snd intel_agp soundcore agpgart snd_page_alloc i2c_i801 ide_cd cdrom rtc unix
[93450.402543] CPU: 1
[93450.402544] EIP: 0060:[<c018e2bc>] Not tainted VLI
[93450.402546] EFLAGS: 00010213 (2.6.21-gdc87c398-dirty #170)
[93450.415753] EIP is at __find_get_block_slow+0x66/0x105
[93450.420874] eax: 00000000 ebx: 3e343c00 ecx: e750adcc edx: 00000000
[93450.427642] esi: c54ae840 edi: 00006665 ebp: f7e26e8c esp: f7e26e64
[93450.434412] ds: 007b es: 007b fs: 00d8 gs: 0000 ss: 0068
[93450.440228] Process kjournald (pid: 379, ti=f7e26000 task=f7e40ad0 task.ti=f7e26000)
[93450.447774] Stack: f7c742bc f7da2c24 f7e26e84 c01ae271 00000046 f7cf90f4 f7cf9210 00000000
[93450.456278] c602ae40 00001000 f7e26ed0 c018e5c7 00006665 f7cf9034 f7e26ec8 00000246
[93450.464786] 00000000 c01c06e2 f7c742e4 f7c742d0 c01c074b 00000246 f7c742d0 00005e41
[93450.473308] Call Trace:
[93450.475946] [<c0105039>] show_trace_log_lvl+0x1a/0x2f
[93450.481098] [<c01050eb>] show_stack_log_lvl+0x9d/0xa5
[93450.486249] [<c01052e0>] show_registers+0x1ed/0x32c
[93450.491228] [<c0105537>] die+0x118/0x22f
[93450.495257] [<c0119729>] do_page_fault+0x43a/0x50d
[93450.500149] [<c031f44c>] error_code+0x7c/0x84
[93450.504610] [<c018e5c7>] __find_get_block+0x91/0x15d
[93450.509675] [<c018e6a9>] __getblk+0x16/0x1fb
[93450.514049] [<c01c1157>] journal_get_descriptor_buffer+0x2f/0x8c
[93450.520152] [<c01bd042>] journal_commit_transaction+0xbfd/0x11d3
[93450.526255] [<c01c0aae>] kjournald+0xab/0x1e8
[93450.530714] [<c013341d>] kthread+0xb5/0xe0
[93450.534916] [<c0104ccf>] kernel_thread_helper+0x7/0x10
[93450.540153] =======================
[93450.543723] Code: 8b 45 f0 83 c0 7c e8 46 09 19 00 8b 06 f6 c4 08 0f 84 96 00 00 00 8b 06 f6 c4 08 75 04 0f 0b eb fe 8b 5e 0c 89 d9 ba 01 00 00 00 <39> 7b 0c 74 76 8b 03 a8 20 b8 00 00 00 00 0f 44 d0 8b 5b 04 39
[93450.563736] EIP: [<c018e2bc>] __find_get_block_slow+0x66/0x105 SS:ESP 0068:f7e26e64
l *0xc018e2bc
0xc018e2bc is in __find_get_block_slow (/mnt/md0/devel/linux-git/fs/buffer.c:273).
268 if (!page_has_buffers(page))
269 goto out_unlock;
270 head = page_buffers(page);
271 bh = head;
272 do {
273 if (bh->b_blocknr == block) {
274 ret = bh;
275 get_bh(bh);
276 goto out_unlock;
277 }
[93450.571447] note: kjournald[379] exited with preempt_count 1
[93450.577125] BUG: sleeping function called from invalid context at /mnt/md0/devel/linux-git/fs/inode.c:246
[93450.586668] in_atomic():1, irqs_disabled():0
[93450.590937] INFO: lockdep is turned off.
[93450.594862] [<c0105039>] show_trace_log_lvl+0x1a/0x2f
[93450.600030] [<c0105720>] show_trace+0x12/0x14
[93450.604490] [<c01057d2>] dump_stack+0x16/0x18
[93450.608960] [<c011b58c>] __might_sleep+0xc9/0xcf
[93450.613695] [<c0183386>] clear_inode+0x19/0x118
[93450.618338] [<c019ecf8>] proc_delete_inode+0x42/0x46
[93450.623413] [<c018352b>] generic_delete_inode+0xa6/0x110
[93450.628840] [<c0182bb8>] iput+0x63/0x66
[93450.632783] [<c0180d65>] dentry_iput+0x88/0xa2
[93450.637348] [<c0181b9e>] prune_one_dentry+0x42/0x65
[93450.642342] [<c0181d4f>] prune_dcache+0xcd/0x138
[93450.647071] [<c0181e07>] shrink_dcache_parent+0x1c/0xe5
[93450.652397] [<c01a0079>] proc_flush_task+0x54/0x1d1
[93450.657392] [<c0123a53>] release_task+0x29e/0x2c5
[93450.662206] [<c0124b64>] do_exit+0x69b/0x702
[93450.666582] [<c0105628>] die+0x209/0x22f
[93450.670616] [<c0119729>] do_page_fault+0x43a/0x50d
[93450.675511] [<c031f44c>] error_code+0x7c/0x84
[93450.679979] [<c018e5c7>] __find_get_block+0x91/0x15d
[93450.685053] [<c018e6a9>] __getblk+0x16/0x1fb
[93450.689427] [<c01c1157>] journal_get_descriptor_buffer+0x2f/0x8c
[93450.695539] [<c01bd042>] journal_commit_transaction+0xbfd/0x11d3
[93450.701660] [<c01c0aae>] kjournald+0xab/0x1e8
[93450.706138] [<c013341d>] kthread+0xb5/0xe0
[93450.710354] [<c0104ccf>] kernel_thread_helper+0x7/0x10
[93450.715592] =======================
[93459.541220] BUG: soft lockup detected on CPU#0!
[93459.545746] [<c0105039>] show_trace_log_lvl+0x1a/0x2f
[93459.550899] [<c0105720>] show_trace+0x12/0x14
[93459.555357] [<c01057d2>] dump_stack+0x16/0x18
[93459.559817] [<c01518e8>] softlockup_tick+0xa7/0xb9
[93459.564711] [<c012a0b5>] run_local_timers+0x12/0x14
[93459.569690] [<c012a482>] update_process_times+0x3e/0x63
[93459.575015] [<c013a028>] tick_sched_timer+0x5d/0xa1
[93459.579994] [<c01366fb>] hrtimer_interrupt+0x127/0x1b4
[93459.585231] [<c0114c66>] smp_apic_timer_interrupt+0x72/0x84
[93459.590901] [<c0104b2b>] apic_timer_interrupt+0x33/0x38
[93459.596227] [<c01ed850>] __delay+0x9/0xb
[93459.600255] [<c01f9bb5>] _raw_spin_lock+0x7d/0xe2
[93459.605061] [<c031ec1e>] _spin_lock+0x3c/0x42
[93459.609522] [<c018e29c>] __find_get_block_slow+0x46/0x105
[93459.615020] [<c018e5c7>] __find_get_block+0x91/0x15d
[93459.620085] [<c018e6a9>] __getblk+0x16/0x1fb
[93459.624458] [<c01ac3d8>] __ext3_get_inode_loc+0x109/0x2e1
[93459.629956] [<c01ac5c7>] ext3_get_inode_loc+0x17/0x19
[93459.635109] [<c01ac5e9>] ext3_reserve_inode_write+0x20/0x68
[93459.640780] [<c01ac65b>] ext3_mark_inode_dirty+0x2a/0x41
[93459.646190] [<c01aefd2>] ext3_dirty_inode+0x59/0x6c
[93459.651169] [<c018b4b0>] __mark_inode_dirty+0x2a/0x15a
[93459.656407] [<c018e9a2>] generic_commit_write+0x68/0x72
[93459.661732] [<c01ae3de>] ext3_ordered_commit_write+0xaa/0xd8
[93459.667490] [<c01570e4>] generic_file_buffered_write+0x3ba/0x585
[93459.673591] [<c0157706>] __generic_file_aio_write_nolock+0x457/0x4c4
[93459.680040] [<c01577c9>] generic_file_aio_write+0x56/0xb4
[93459.685538] [<c01aadb3>] ext3_file_write+0x27/0x99
[93459.690430] [<c0171de2>] do_sync_write+0xc2/0xff
[93459.695150] [<c01725bb>] vfs_write+0xaf/0x138
[93459.699610] [<c0172b85>] sys_write+0x3d/0x61
[93459.703986] [<c0103fd6>] sysenter_past_esp+0x5f/0x99
[93459.709049] =======================
[93469.687801] BUG: soft lockup detected on CPU#0!
[93469.692330] [<c0105039>] show_trace_log_lvl+0x1a/0x2f
[93469.697480] [<c0105720>] show_trace+0x12/0x14
[93469.701939] [<c01057d2>] dump_stack+0x16/0x18
[93469.706400] [<c01518e8>] softlockup_tick+0xa7/0xb9
[93469.711293] [<c012a0b5>] run_local_timers+0x12/0x14
[93469.716271] [<c012a482>] update_process_times+0x3e/0x63
[93469.721597] [<c013a028>] tick_sched_timer+0x5d/0xa1
[93469.726576] [<c01366fb>] hrtimer_interrupt+0x127/0x1b4
[93469.731815] [<c0114c66>] smp_apic_timer_interrupt+0x72/0x84
[93469.737485] [<c0104b2b>] apic_timer_interrupt+0x33/0x38
[93469.742810] [<c031ec1e>] _spin_lock+0x3c/0x42
[93469.747270] [<c018e29c>] __find_get_block_slow+0x46/0x105
[93469.752766] [<c018e5c7>] __find_get_block+0x91/0x15d
[93469.757833] [<c018e6a9>] __getblk+0x16/0x1fb
[93469.762197] [<c01ac3d8>] __ext3_get_inode_loc+0x109/0x2e1
[93469.767695] [<c01ac5c7>] ext3_get_inode_loc+0x17/0x19
[93469.772847] [<c01ac5e9>] ext3_reserve_inode_write+0x20/0x68
[93469.778519] [<c01ac65b>] ext3_mark_inode_dirty+0x2a/0x41
[93469.783930] [<c01aefd2>] ext3_dirty_inode+0x59/0x6c
[93469.788907] [<c018b4b0>] __mark_inode_dirty+0x2a/0x15a
[93469.794138] [<c018e9a2>] generic_commit_write+0x68/0x72
[93469.799462] [<c01ae3de>] ext3_ordered_commit_write+0xaa/0xd8
[93469.805220] [<c01570e4>] generic_file_buffered_write+0x3ba/0x585
[93469.811323] [<c0157706>] __generic_file_aio_write_nolock+0x457/0x4c4
[93469.817773] [<c01577c9>] generic_file_aio_write+0x56/0xb4
[93469.823270] [<c01aadb3>] ext3_file_write+0x27/0x99
[93469.828161] [<c0171de2>] do_sync_write+0xc2/0xff
[93469.832881] [<c01725bb>] vfs_write+0xaf/0x138
[93469.837342] [<c0172b85>] sys_write+0x3d/0x61
[93469.841715] [<c0103fd6>] sysenter_past_esp+0x5f/0x99
[93469.846781] =======================
[93479.825401] BUG: soft lockup detected on CPU#0!
[93479.829922] [<c0105039>] show_trace_log_lvl+0x1a/0x2f
[93479.835073] [<c0105720>] show_trace+0x12/0x14
[93479.839532] [<c01057d2>] dump_stack+0x16/0x18
[93479.843993] [<c01518e8>] softlockup_tick+0xa7/0xb9
[93479.848885] [<c012a0b5>] run_local_timers+0x12/0x14
[93479.853864] [<c012a482>] update_process_times+0x3e/0x63
[93479.859188] [<c013a028>] tick_sched_timer+0x5d/0xa1
[93479.864168] [<c01366fb>] hrtimer_interrupt+0x127/0x1b4
[93479.869407] [<c0114c66>] smp_apic_timer_interrupt+0x72/0x84
[93479.875078] [<c0104b2b>] apic_timer_interrupt+0x33/0x38
[93479.880402] [<c031ec1e>] _spin_lock+0x3c/0x42
[93479.884862] [<c018e29c>] __find_get_block_slow+0x46/0x105
[93479.890359] [<c018e5c7>] __find_get_block+0x91/0x15d
[93479.895426] [<c018e6a9>] __getblk+0x16/0x1fb
[93479.899799] [<c01ac3d8>] __ext3_get_inode_loc+0x109/0x2e1
[93479.905297] [<c01ac5c7>] ext3_get_inode_loc+0x17/0x19
[93479.910450] [<c01ac5e9>] ext3_reserve_inode_write+0x20/0x68
[93479.916120] [<c01ac65b>] ext3_mark_inode_dirty+0x2a/0x41
[93479.921530] [<c01aefd2>] ext3_dirty_inode+0x59/0x6c
[93479.926510] [<c018b4b0>] __mark_inode_dirty+0x2a/0x15a
[93479.931749] [<c018e9a2>] generic_commit_write+0x68/0x72
[93479.937074] [<c01ae3de>] ext3_ordered_commit_write+0xaa/0xd8
[93479.942831] [<c01570e4>] generic_file_buffered_write+0x3ba/0x585
[93479.948933] [<c0157706>] __generic_file_aio_write_nolock+0x457/0x4c4
[93479.955380] [<c01577c9>] generic_file_aio_write+0x56/0xb4
[93479.960879] [<c01aadb3>] ext3_file_write+0x27/0x99
[93479.965771] [<c0171de2>] do_sync_write+0xc2/0xff
[93479.970492] [<c01725bb>] vfs_write+0xaf/0x138
[93479.974952] [<c0172b85>] sys_write+0x3d/0x61
[93479.979326] [<c0103fd6>] sysenter_past_esp+0x5f/0x99
[93479.984391] =======================
[93483.665914] BUG: soft lockup detected on CPU#1!
[93483.670433] [<c0105039>] show_trace_log_lvl+0x1a/0x2f
[93483.675585] [<c0105720>] show_trace+0x12/0x14
[93483.680046] [<c01057d2>] dump_stack+0x16/0x18
[93483.684506] [<c01518e8>] softlockup_tick+0xa7/0xb9
[93483.689397] [<c012a0b5>] run_local_timers+0x12/0x14
[93483.694377] [<c012a482>] update_process_times+0x3e/0x63
[93483.699702] [<c013a028>] tick_sched_timer+0x5d/0xa1
[93483.704681] [<c01366fb>] hrtimer_interrupt+0x127/0x1b4
[93483.709918] [<c0114c66>] smp_apic_timer_interrupt+0x72/0x84
[93483.715590] [<c0104b2b>] apic_timer_interrupt+0x33/0x38
[93483.720915] [<c031ec1e>] _spin_lock+0x3c/0x42
[93483.725375] [<c018e29c>] __find_get_block_slow+0x46/0x105
[93483.730871] [<c018e5c7>] __find_get_block+0x91/0x15d
[93483.735937] [<c018e6a9>] __getblk+0x16/0x1fb
[93483.740312] [<c01ad2bd>] ext3_getblk+0xea/0x232
[93483.744944] [<c01ae0dc>] ext3_bread+0x1a/0x7e
[93483.749406] [<c01b1418>] htree_dirblock_to_tree+0x27/0x11a
[93483.754990] [<c01b1573>] ext3_htree_fill_tree+0x68/0x1aa
[93483.760400] [<c01aa9c9>] ext3_readdir+0x1d6/0x599
[93483.765206] [<c017ce09>] vfs_readdir+0x67/0x93
[93483.769753] [<c017d05e>] sys_getdents+0x5f/0x9d
[93483.774388] [<c0104060>] syscall_call+0x7/0xb
[93483.778848] =======================
[93489.962999] BUG: soft lockup detected on CPU#0!
[93489.967523] [<c0105039>] show_trace_log_lvl+0x1a/0x2f
[93489.972674] [<c0105720>] show_trace+0x12/0x14
[93489.977133] [<c01057d2>] dump_stack+0x16/0x18
[93489.981593] [<c01518e8>] softlockup_tick+0xa7/0xb9
[93489.986487] [<c012a0b5>] run_local_timers+0x12/0x14
[93489.991467] [<c012a482>] update_process_times+0x3e/0x63
[93489.996791] [<c013a028>] tick_sched_timer+0x5d/0xa1
[93490.001770] [<c01366fb>] hrtimer_interrupt+0x127/0x1b4
[93490.007009] [<c0114c66>] smp_apic_timer_interrupt+0x72/0x84
[93490.012680] [<c0104b2b>] apic_timer_interrupt+0x33/0x38
[93490.018004] [<c031ec1e>] _spin_lock+0x3c/0x42
[93490.022463] [<c018e29c>] __find_get_block_slow+0x46/0x105
[93490.027962] [<c018e5c7>] __find_get_block+0x91/0x15d
[93490.033027] [<c018e6a9>] __getblk+0x16/0x1fb
[93490.037401] [<c01ac3d8>] __ext3_get_inode_loc+0x109/0x2e1
[93490.042898] [<c01ac5c7>] ext3_get_inode_loc+0x17/0x19
[93490.048050] [<c01ac5e9>] ext3_reserve_inode_write+0x20/0x68
[93490.053720] [<c01ac65b>] ext3_mark_inode_dirty+0x2a/0x41
[93490.059133] [<c01aefd2>] ext3_dirty_inode+0x59/0x6c
[93490.064111] [<c018b4b0>] __mark_inode_dirty+0x2a/0x15a
[93490.069350] [<c018e9a2>] generic_commit_write+0x68/0x72
[93490.074675] [<c01ae3de>] ext3_ordered_commit_write+0xaa/0xd8
[93490.080431] [<c01570e4>] generic_file_buffered_write+0x3ba/0x585
[93490.086534] [<c0157706>] __generic_file_aio_write_nolock+0x457/0x4c4
[93490.092984] [<c01577c9>] generic_file_aio_write+0x56/0xb4
[93490.098481] [<c01aadb3>] ext3_file_write+0x27/0x99
[93490.103373] [<c0171de2>] do_sync_write+0xc2/0xff
[93490.108092] [<c01725bb>] vfs_write+0xaf/0x138
[93490.112552] [<c0172b85>] sys_write+0x3d/0x61
[93490.116926] [<c0103fd6>] sysenter_past_esp+0x5f/0x99
[93490.121992] =======================
[93493.757614] BUG: soft lockup detected on CPU#1!
[93493.762133] [<c0105039>] show_trace_log_lvl+0x1a/0x2f
[93493.767285] [<c0105720>] show_trace+0x12/0x14
[93493.771745] [<c01057d2>] dump_stack+0x16/0x18
[93493.776206] [<c01518e8>] softlockup_tick+0xa7/0xb9
[93493.781098] [<c012a0b5>] run_local_timers+0x12/0x14
[93493.786079] [<c012a482>] update_process_times+0x3e/0x63
[93493.791402] [<c013a028>] tick_sched_timer+0x5d/0xa1
[93493.796381] [<c01366fb>] hrtimer_interrupt+0x127/0x1b4
[93493.801621] [<c0114c66>] smp_apic_timer_interrupt+0x72/0x84
[93493.807290] [<c0104b2b>] apic_timer_interrupt+0x33/0x38
[93493.812614] [<c01ed850>] __delay+0x9/0xb
[93493.816643] [<c01f9bb5>] _raw_spin_lock+0x7d/0xe2
[93493.821448] [<c031ec1e>] _spin_lock+0x3c/0x42
[93493.825911] [<c018e29c>] __find_get_block_slow+0x46/0x105
[93493.831407] [<c018e5c7>] __find_get_block+0x91/0x15d
[93493.836472] [<c018e6a9>] __getblk+0x16/0x1fb
[93493.840847] [<c01ad2bd>] ext3_getblk+0xea/0x232
[93493.845479] [<c01ae0dc>] ext3_bread+0x1a/0x7e
[93493.849939] [<c01b1418>] htree_dirblock_to_tree+0x27/0x11a
[93493.855523] [<c01b1573>] ext3_htree_fill_tree+0x68/0x1aa
[93493.860935] [<c01aa9c9>] ext3_readdir+0x1d6/0x599
[93493.865741] [<c017ce09>] vfs_readdir+0x67/0x93
[93493.870289] [<c017d05e>] sys_getdents+0x5f/0x9d
[93493.874923] [<c0104060>] syscall_call+0x7/0xb
[93493.879382] =======================
[93500.100600] BUG: soft lockup detected on CPU#0!
[93500.105125] [<c0105039>] show_trace_log_lvl+0x1a/0x2f
[93500.110275] [<c0105720>] show_trace+0x12/0x14
[93500.114734] [<c01057d2>] dump_stack+0x16/0x18
[93500.119195] [<c01518e8>] softlockup_tick+0xa7/0xb9
[93500.124087] [<c012a0b5>] run_local_timers+0x12/0x14
[93500.129067] [<c012a482>] update_process_times+0x3e/0x63
[93500.134391] [<c013a028>] tick_sched_timer+0x5d/0xa1
[93500.139370] [<c01366fb>] hrtimer_interrupt+0x127/0x1b4
[93500.144610] [<c0114c66>] smp_apic_timer_interrupt+0x72/0x84
[93500.150280] [<c0104b2b>] apic_timer_interrupt+0x33/0x38
[93500.155604] [<c031ec1e>] _spin_lock+0x3c/0x42
[93500.160064] [<c018e29c>] __find_get_block_slow+0x46/0x105
[93500.165563] [<c018e5c7>] __find_get_block+0x91/0x15d
[93500.170628] [<c018e6a9>] __getblk+0x16/0x1fb
[93500.175002] [<c01ac3d8>] __ext3_get_inode_loc+0x109/0x2e1
[93500.180499] [<c01ac5c7>] ext3_get_inode_loc+0x17/0x19
[93500.185650] [<c01ac5e9>] ext3_reserve_inode_write+0x20/0x68
[93500.191323] [<c01ac65b>] ext3_mark_inode_dirty+0x2a/0x41
[93500.196733] [<c01aefd2>] ext3_dirty_inode+0x59/0x6c
[93500.201713] [<c018b4b0>] __mark_inode_dirty+0x2a/0x15a
[93500.206950] [<c018e9a2>] generic_commit_write+0x68/0x72
[93500.212276] [<c01ae3de>] ext3_ordered_commit_write+0xaa/0xd8
[93500.218034] [<c01570e4>] generic_file_buffered_write+0x3ba/0x585
[93500.224135] [<c0157706>] __generic_file_aio_write_nolock+0x457/0x4c4
[93500.230584] [<c01577c9>] generic_file_aio_write+0x56/0xb4
[93500.236082] [<c01aadb3>] ext3_file_write+0x27/0x99
[93500.240974] [<c0171de2>] do_sync_write+0xc2/0xff
[93500.245693] [<c01725bb>] vfs_write+0xaf/0x138
[93500.250153] [<c0172b85>] sys_write+0x3d/0x61
[93500.254527] [<c0103fd6>] sysenter_past_esp+0x5f/0x99
[93500.259592] =======================
[93503.858296] BUG: soft lockup detected on CPU#1!
[93503.862815] [<c0105039>] show_trace_log_lvl+0x1a/0x2f
[93503.867968] [<c0105720>] show_trace+0x12/0x14
[93503.872427] [<c01057d2>] dump_stack+0x16/0x18
[93503.876887] [<c01518e8>] softlockup_tick+0xa7/0xb9
[93503.881780] [<c012a0b5>] run_local_timers+0x12/0x14
[93503.886760] [<c012a482>] update_process_times+0x3e/0x63
[93503.892084] [<c013a028>] tick_sched_timer+0x5d/0xa1
[93503.897064] [<c01366fb>] hrtimer_interrupt+0x127/0x1b4
[93503.902302] [<c0114c66>] smp_apic_timer_interrupt+0x72/0x84
[93503.907972] [<c0104b2b>] apic_timer_interrupt+0x33/0x38
[93503.913298] [<c01ed850>] __delay+0x9/0xb
[93503.917326] [<c01f9bb5>] _raw_spin_lock+0x7d/0xe2
[93503.922131] [<c031ec1e>] _spin_lock+0x3c/0x42
[93503.926593] [<c018e29c>] __find_get_block_slow+0x46/0x105
[93503.932089] [<c018e5c7>] __find_get_block+0x91/0x15d
[93503.937154] [<c018e6a9>] __getblk+0x16/0x1fb
[93503.941528] [<c01ad2bd>] ext3_getblk+0xea/0x232
[93503.946162] [<c01ae0dc>] ext3_bread+0x1a/0x7e
[93503.950622] [<c01b1418>] htree_dirblock_to_tree+0x27/0x11a
[93503.956207] [<c01b1573>] ext3_htree_fill_tree+0x68/0x1aa
[93503.961618] [<c01aa9c9>] ext3_readdir+0x1d6/0x599
[93503.966425] [<c017ce09>] vfs_readdir+0x67/0x93
[93503.970972] [<c017d05e>] sys_getdents+0x5f/0x9d
[93503.975604] [<c0104060>] syscall_call+0x7/0xb
[93503.980064] =======================
[93510.238200] BUG: soft lockup detected on CPU#0!
[93510.242725] [<c0105039>] show_trace_log_lvl+0x1a/0x2f
[93510.247877] [<c0105720>] show_trace+0x12/0x14
[93510.252338] [<c01057d2>] dump_stack+0x16/0x18
[93510.256797] [<c01518e8>] softlockup_tick+0xa7/0xb9
[93510.261689] [<c012a0b5>] run_local_timers+0x12/0x14
[93510.266670] [<c012a482>] update_process_times+0x3e/0x63
[93510.271993] [<c013a028>] tick_sched_timer+0x5d/0xa1
[93510.276972] [<c01366fb>] hrtimer_interrupt+0x127/0x1b4
[93510.282211] [<c0114c66>] smp_apic_timer_interrupt+0x72/0x84
[93510.287881] [<c0104b2b>] apic_timer_interrupt+0x33/0x38
[93510.293205] [<c01ed850>] __delay+0x9/0xb
[93510.297235] [<c01f9bb5>] _raw_spin_lock+0x7d/0xe2
[93510.302040] [<c031ec1e>] _spin_lock+0x3c/0x42
[93510.306500] [<c018e29c>] __find_get_block_slow+0x46/0x105
[93510.311998] [<c018e5c7>] __find_get_block+0x91/0x15d
[93510.317064] [<c018e6a9>] __getblk+0x16/0x1fb
[93510.321438] [<c01ac3d8>] __ext3_get_inode_loc+0x109/0x2e1
[93510.326934] [<c01ac5c7>] ext3_get_inode_loc+0x17/0x19
[93510.332087] [<c01ac5e9>] ext3_reserve_inode_write+0x20/0x68
[93510.337758] [<c01ac65b>] ext3_mark_inode_dirty+0x2a/0x41
[93510.343169] [<c01aefd2>] ext3_dirty_inode+0x59/0x6c
[93510.348149] [<c018b4b0>] __mark_inode_dirty+0x2a/0x15a
[93510.353387] [<c018e9a2>] generic_commit_write+0x68/0x72
[93510.358712] [<c01ae3de>] ext3_ordered_commit_write+0xaa/0xd8
[93510.364467] [<c01570e4>] generic_file_buffered_write+0x3ba/0x585
[93510.370570] [<c0157706>] __generic_file_aio_write_nolock+0x457/0x4c4
[93510.377020] [<c01577c9>] generic_file_aio_write+0x56/0xb4
[93510.382518] [<c01aadb3>] ext3_file_write+0x27/0x99
[93510.387408] [<c0171de2>] do_sync_write+0xc2/0xff
[93510.392130] [<c01725bb>] vfs_write+0xaf/0x138
[93510.396589] [<c0172b85>] sys_write+0x3d/0x61
[93510.400963] [<c0103fd6>] sysenter_past_esp+0x5f/0x99
[93510.406029] =======================
[93513.242711] SysRq : Emergency Sync
[93513.958977] BUG: soft lockup detected on CPU#1!
[93513.963498] [<c0105039>] show_trace_log_lvl+0x1a/0x2f
[93513.968649] [<c0105720>] show_trace+0x12/0x14
[93513.973109] [<c01057d2>] dump_stack+0x16/0x18
[93513.977570] [<c01518e8>] softlockup_tick+0xa7/0xb9
[93513.982463] [<c012a0b5>] run_local_timers+0x12/0x14
[93513.987442] [<c012a482>] update_process_times+0x3e/0x63
[93513.992767] [<c013a028>] tick_sched_timer+0x5d/0xa1
[93513.997746] [<c01366fb>] hrtimer_interrupt+0x127/0x1b4
[93514.002983] [<c0114c66>] smp_apic_timer_interrupt+0x72/0x84
[93514.008654] [<c0104b2b>] apic_timer_interrupt+0x33/0x38
[93514.013978] [<c01f9bb5>] _raw_spin_lock+0x7d/0xe2
[93514.018785] [<c031ec1e>] _spin_lock+0x3c/0x42
[93514.023246] [<c018e29c>] __find_get_block_slow+0x46/0x105
[93514.028743] [<c018e5c7>] __find_get_block+0x91/0x15d
[93514.033810] [<c018e6a9>] __getblk+0x16/0x1fb
[93514.038182] [<c01ad2bd>] ext3_getblk+0xea/0x232
[93514.042815] [<c01ae0dc>] ext3_bread+0x1a/0x7e
[93514.047276] [<c01b1418>] htree_dirblock_to_tree+0x27/0x11a
[93514.052860] [<c01b1573>] ext3_htree_fill_tree+0x68/0x1aa
[93514.058271] [<c01aa9c9>] ext3_readdir+0x1d6/0x599
[93514.063078] [<c017ce09>] vfs_readdir+0x67/0x93
[93514.067625] [<c017d05e>] sys_getdents+0x5f/0x9d
[93514.072258] [<c0104060>] syscall_call+0x7/0xb
[93514.076718] =======================
[93515.468612] SysRq : Emergency Remount R/O
[93517.937776] SysRq : Resetting
http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.21-git4/git-config
http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.21-git4/git-dmesg2
http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.21-git4/serial-console2.log
Regards,
Michal
--
Michal K. K. Piotrowski
Kernel Monkeys
(http://kernel.wikidot.com/start)
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