Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1031320AbXEDQU6 (ORCPT ); Fri, 4 May 2007 12:20:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1031341AbXEDQU6 (ORCPT ); Fri, 4 May 2007 12:20:58 -0400 Received: from wr-out-0506.google.com ([64.233.184.228]:15682 "EHLO wr-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1031320AbXEDQUy (ORCPT ); Fri, 4 May 2007 12:20:54 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:user-agent:mime-version:to:subject:x-enigmail-version:content-type:content-transfer-encoding:from; b=SIxEb2pMkoxeeF2TDo8KifpThZs4Od+W09AQqrLgGB5rOXEg3Hmfzv/3a+393HkhpIJDmkmWYtmj05UI/D4odaw8Z/ApOdrTbemA0i3i2iAjaXH77kkz+fguZ/IQpl5lCS3avRoLkMr5oGPV+rwM343TZvxRvtO86jIDvC5WMyI= Message-ID: <463B5D63.2030109@googlemail.com> Date: Fri, 04 May 2007 18:20:51 +0200 User-Agent: Thunderbird 1.5.0.10 (X11/20070302) MIME-Version: 1.0 To: Ingo Molnar , Thomas Gleixner , viro@ftp.linux.org.uk, linux-ext4@vger.kernel.org, LKML Subject: 2.6.21-git4 Scheduler, NOHZ, VFS bugs X-Enigmail-Version: 0.94.1.1 Content-Type: text/plain; charset=ISO-8859-2 Content-Transfer-Encoding: 8bit From: Michal Piotrowski Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 23074 Lines: 427 Hi, I ran this script tree times, #! /bin/sh for i in `find /sys/ -type f` do echo "wy?wietlam $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] [] show_trace_log_lvl+0x1a/0x2f [93298.265507] [] show_trace+0x12/0x14 [93298.269974] [] dump_stack+0x16/0x18 [93298.274434] [] add_preempt_count+0x89/0x8b [93298.279501] [] irq_enter+0xd/0x2e [93298.283788] [] smp_apic_timer_interrupt+0x2a/0x84 [93298.289458] [] apic_timer_interrupt+0x33/0x38 [93298.294783] [] 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:[] 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] [] show_trace_log_lvl+0x1a/0x2f [93450.481098] [] show_stack_log_lvl+0x9d/0xa5 [93450.486249] [] show_registers+0x1ed/0x32c [93450.491228] [] die+0x118/0x22f [93450.495257] [] do_page_fault+0x43a/0x50d [93450.500149] [] error_code+0x7c/0x84 [93450.504610] [] __find_get_block+0x91/0x15d [93450.509675] [] __getblk+0x16/0x1fb [93450.514049] [] journal_get_descriptor_buffer+0x2f/0x8c [93450.520152] [] journal_commit_transaction+0xbfd/0x11d3 [93450.526255] [] kjournald+0xab/0x1e8 [93450.530714] [] kthread+0xb5/0xe0 [93450.534916] [] 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: [] __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] [] show_trace_log_lvl+0x1a/0x2f [93450.600030] [] show_trace+0x12/0x14 [93450.604490] [] dump_stack+0x16/0x18 [93450.608960] [] __might_sleep+0xc9/0xcf [93450.613695] [] clear_inode+0x19/0x118 [93450.618338] [] proc_delete_inode+0x42/0x46 [93450.623413] [] generic_delete_inode+0xa6/0x110 [93450.628840] [] iput+0x63/0x66 [93450.632783] [] dentry_iput+0x88/0xa2 [93450.637348] [] prune_one_dentry+0x42/0x65 [93450.642342] [] prune_dcache+0xcd/0x138 [93450.647071] [] shrink_dcache_parent+0x1c/0xe5 [93450.652397] [] proc_flush_task+0x54/0x1d1 [93450.657392] [] release_task+0x29e/0x2c5 [93450.662206] [] do_exit+0x69b/0x702 [93450.666582] [] die+0x209/0x22f [93450.670616] [] do_page_fault+0x43a/0x50d [93450.675511] [] error_code+0x7c/0x84 [93450.679979] [] __find_get_block+0x91/0x15d [93450.685053] [] __getblk+0x16/0x1fb [93450.689427] [] journal_get_descriptor_buffer+0x2f/0x8c [93450.695539] [] journal_commit_transaction+0xbfd/0x11d3 [93450.701660] [] kjournald+0xab/0x1e8 [93450.706138] [] kthread+0xb5/0xe0 [93450.710354] [] kernel_thread_helper+0x7/0x10 [93450.715592] ======================= [93459.541220] BUG: soft lockup detected on CPU#0! [93459.545746] [] show_trace_log_lvl+0x1a/0x2f [93459.550899] [] show_trace+0x12/0x14 [93459.555357] [] dump_stack+0x16/0x18 [93459.559817] [] softlockup_tick+0xa7/0xb9 [93459.564711] [] run_local_timers+0x12/0x14 [93459.569690] [] update_process_times+0x3e/0x63 [93459.575015] [] tick_sched_timer+0x5d/0xa1 [93459.579994] [] hrtimer_interrupt+0x127/0x1b4 [93459.585231] [] smp_apic_timer_interrupt+0x72/0x84 [93459.590901] [] apic_timer_interrupt+0x33/0x38 [93459.596227] [] __delay+0x9/0xb [93459.600255] [] _raw_spin_lock+0x7d/0xe2 [93459.605061] [] _spin_lock+0x3c/0x42 [93459.609522] [] __find_get_block_slow+0x46/0x105 [93459.615020] [] __find_get_block+0x91/0x15d [93459.620085] [] __getblk+0x16/0x1fb [93459.624458] [] __ext3_get_inode_loc+0x109/0x2e1 [93459.629956] [] ext3_get_inode_loc+0x17/0x19 [93459.635109] [] ext3_reserve_inode_write+0x20/0x68 [93459.640780] [] ext3_mark_inode_dirty+0x2a/0x41 [93459.646190] [] ext3_dirty_inode+0x59/0x6c [93459.651169] [] __mark_inode_dirty+0x2a/0x15a [93459.656407] [] generic_commit_write+0x68/0x72 [93459.661732] [] ext3_ordered_commit_write+0xaa/0xd8 [93459.667490] [] generic_file_buffered_write+0x3ba/0x585 [93459.673591] [] __generic_file_aio_write_nolock+0x457/0x4c4 [93459.680040] [] generic_file_aio_write+0x56/0xb4 [93459.685538] [] ext3_file_write+0x27/0x99 [93459.690430] [] do_sync_write+0xc2/0xff [93459.695150] [] vfs_write+0xaf/0x138 [93459.699610] [] sys_write+0x3d/0x61 [93459.703986] [] sysenter_past_esp+0x5f/0x99 [93459.709049] ======================= [93469.687801] BUG: soft lockup detected on CPU#0! [93469.692330] [] show_trace_log_lvl+0x1a/0x2f [93469.697480] [] show_trace+0x12/0x14 [93469.701939] [] dump_stack+0x16/0x18 [93469.706400] [] softlockup_tick+0xa7/0xb9 [93469.711293] [] run_local_timers+0x12/0x14 [93469.716271] [] update_process_times+0x3e/0x63 [93469.721597] [] tick_sched_timer+0x5d/0xa1 [93469.726576] [] hrtimer_interrupt+0x127/0x1b4 [93469.731815] [] smp_apic_timer_interrupt+0x72/0x84 [93469.737485] [] apic_timer_interrupt+0x33/0x38 [93469.742810] [] _spin_lock+0x3c/0x42 [93469.747270] [] __find_get_block_slow+0x46/0x105 [93469.752766] [] __find_get_block+0x91/0x15d [93469.757833] [] __getblk+0x16/0x1fb [93469.762197] [] __ext3_get_inode_loc+0x109/0x2e1 [93469.767695] [] ext3_get_inode_loc+0x17/0x19 [93469.772847] [] ext3_reserve_inode_write+0x20/0x68 [93469.778519] [] ext3_mark_inode_dirty+0x2a/0x41 [93469.783930] [] ext3_dirty_inode+0x59/0x6c [93469.788907] [] __mark_inode_dirty+0x2a/0x15a [93469.794138] [] generic_commit_write+0x68/0x72 [93469.799462] [] ext3_ordered_commit_write+0xaa/0xd8 [93469.805220] [] generic_file_buffered_write+0x3ba/0x585 [93469.811323] [] __generic_file_aio_write_nolock+0x457/0x4c4 [93469.817773] [] generic_file_aio_write+0x56/0xb4 [93469.823270] [] ext3_file_write+0x27/0x99 [93469.828161] [] do_sync_write+0xc2/0xff [93469.832881] [] vfs_write+0xaf/0x138 [93469.837342] [] sys_write+0x3d/0x61 [93469.841715] [] sysenter_past_esp+0x5f/0x99 [93469.846781] ======================= [93479.825401] BUG: soft lockup detected on CPU#0! [93479.829922] [] show_trace_log_lvl+0x1a/0x2f [93479.835073] [] show_trace+0x12/0x14 [93479.839532] [] dump_stack+0x16/0x18 [93479.843993] [] softlockup_tick+0xa7/0xb9 [93479.848885] [] run_local_timers+0x12/0x14 [93479.853864] [] update_process_times+0x3e/0x63 [93479.859188] [] tick_sched_timer+0x5d/0xa1 [93479.864168] [] hrtimer_interrupt+0x127/0x1b4 [93479.869407] [] smp_apic_timer_interrupt+0x72/0x84 [93479.875078] [] apic_timer_interrupt+0x33/0x38 [93479.880402] [] _spin_lock+0x3c/0x42 [93479.884862] [] __find_get_block_slow+0x46/0x105 [93479.890359] [] __find_get_block+0x91/0x15d [93479.895426] [] __getblk+0x16/0x1fb [93479.899799] [] __ext3_get_inode_loc+0x109/0x2e1 [93479.905297] [] ext3_get_inode_loc+0x17/0x19 [93479.910450] [] ext3_reserve_inode_write+0x20/0x68 [93479.916120] [] ext3_mark_inode_dirty+0x2a/0x41 [93479.921530] [] ext3_dirty_inode+0x59/0x6c [93479.926510] [] __mark_inode_dirty+0x2a/0x15a [93479.931749] [] generic_commit_write+0x68/0x72 [93479.937074] [] ext3_ordered_commit_write+0xaa/0xd8 [93479.942831] [] generic_file_buffered_write+0x3ba/0x585 [93479.948933] [] __generic_file_aio_write_nolock+0x457/0x4c4 [93479.955380] [] generic_file_aio_write+0x56/0xb4 [93479.960879] [] ext3_file_write+0x27/0x99 [93479.965771] [] do_sync_write+0xc2/0xff [93479.970492] [] vfs_write+0xaf/0x138 [93479.974952] [] sys_write+0x3d/0x61 [93479.979326] [] sysenter_past_esp+0x5f/0x99 [93479.984391] ======================= [93483.665914] BUG: soft lockup detected on CPU#1! [93483.670433] [] show_trace_log_lvl+0x1a/0x2f [93483.675585] [] show_trace+0x12/0x14 [93483.680046] [] dump_stack+0x16/0x18 [93483.684506] [] softlockup_tick+0xa7/0xb9 [93483.689397] [] run_local_timers+0x12/0x14 [93483.694377] [] update_process_times+0x3e/0x63 [93483.699702] [] tick_sched_timer+0x5d/0xa1 [93483.704681] [] hrtimer_interrupt+0x127/0x1b4 [93483.709918] [] smp_apic_timer_interrupt+0x72/0x84 [93483.715590] [] apic_timer_interrupt+0x33/0x38 [93483.720915] [] _spin_lock+0x3c/0x42 [93483.725375] [] __find_get_block_slow+0x46/0x105 [93483.730871] [] __find_get_block+0x91/0x15d [93483.735937] [] __getblk+0x16/0x1fb [93483.740312] [] ext3_getblk+0xea/0x232 [93483.744944] [] ext3_bread+0x1a/0x7e [93483.749406] [] htree_dirblock_to_tree+0x27/0x11a [93483.754990] [] ext3_htree_fill_tree+0x68/0x1aa [93483.760400] [] ext3_readdir+0x1d6/0x599 [93483.765206] [] vfs_readdir+0x67/0x93 [93483.769753] [] sys_getdents+0x5f/0x9d [93483.774388] [] syscall_call+0x7/0xb [93483.778848] ======================= [93489.962999] BUG: soft lockup detected on CPU#0! [93489.967523] [] show_trace_log_lvl+0x1a/0x2f [93489.972674] [] show_trace+0x12/0x14 [93489.977133] [] dump_stack+0x16/0x18 [93489.981593] [] softlockup_tick+0xa7/0xb9 [93489.986487] [] run_local_timers+0x12/0x14 [93489.991467] [] update_process_times+0x3e/0x63 [93489.996791] [] tick_sched_timer+0x5d/0xa1 [93490.001770] [] hrtimer_interrupt+0x127/0x1b4 [93490.007009] [] smp_apic_timer_interrupt+0x72/0x84 [93490.012680] [] apic_timer_interrupt+0x33/0x38 [93490.018004] [] _spin_lock+0x3c/0x42 [93490.022463] [] __find_get_block_slow+0x46/0x105 [93490.027962] [] __find_get_block+0x91/0x15d [93490.033027] [] __getblk+0x16/0x1fb [93490.037401] [] __ext3_get_inode_loc+0x109/0x2e1 [93490.042898] [] ext3_get_inode_loc+0x17/0x19 [93490.048050] [] ext3_reserve_inode_write+0x20/0x68 [93490.053720] [] ext3_mark_inode_dirty+0x2a/0x41 [93490.059133] [] ext3_dirty_inode+0x59/0x6c [93490.064111] [] __mark_inode_dirty+0x2a/0x15a [93490.069350] [] generic_commit_write+0x68/0x72 [93490.074675] [] ext3_ordered_commit_write+0xaa/0xd8 [93490.080431] [] generic_file_buffered_write+0x3ba/0x585 [93490.086534] [] __generic_file_aio_write_nolock+0x457/0x4c4 [93490.092984] [] generic_file_aio_write+0x56/0xb4 [93490.098481] [] ext3_file_write+0x27/0x99 [93490.103373] [] do_sync_write+0xc2/0xff [93490.108092] [] vfs_write+0xaf/0x138 [93490.112552] [] sys_write+0x3d/0x61 [93490.116926] [] sysenter_past_esp+0x5f/0x99 [93490.121992] ======================= [93493.757614] BUG: soft lockup detected on CPU#1! [93493.762133] [] show_trace_log_lvl+0x1a/0x2f [93493.767285] [] show_trace+0x12/0x14 [93493.771745] [] dump_stack+0x16/0x18 [93493.776206] [] softlockup_tick+0xa7/0xb9 [93493.781098] [] run_local_timers+0x12/0x14 [93493.786079] [] update_process_times+0x3e/0x63 [93493.791402] [] tick_sched_timer+0x5d/0xa1 [93493.796381] [] hrtimer_interrupt+0x127/0x1b4 [93493.801621] [] smp_apic_timer_interrupt+0x72/0x84 [93493.807290] [] apic_timer_interrupt+0x33/0x38 [93493.812614] [] __delay+0x9/0xb [93493.816643] [] _raw_spin_lock+0x7d/0xe2 [93493.821448] [] _spin_lock+0x3c/0x42 [93493.825911] [] __find_get_block_slow+0x46/0x105 [93493.831407] [] __find_get_block+0x91/0x15d [93493.836472] [] __getblk+0x16/0x1fb [93493.840847] [] ext3_getblk+0xea/0x232 [93493.845479] [] ext3_bread+0x1a/0x7e [93493.849939] [] htree_dirblock_to_tree+0x27/0x11a [93493.855523] [] ext3_htree_fill_tree+0x68/0x1aa [93493.860935] [] ext3_readdir+0x1d6/0x599 [93493.865741] [] vfs_readdir+0x67/0x93 [93493.870289] [] sys_getdents+0x5f/0x9d [93493.874923] [] syscall_call+0x7/0xb [93493.879382] ======================= [93500.100600] BUG: soft lockup detected on CPU#0! [93500.105125] [] show_trace_log_lvl+0x1a/0x2f [93500.110275] [] show_trace+0x12/0x14 [93500.114734] [] dump_stack+0x16/0x18 [93500.119195] [] softlockup_tick+0xa7/0xb9 [93500.124087] [] run_local_timers+0x12/0x14 [93500.129067] [] update_process_times+0x3e/0x63 [93500.134391] [] tick_sched_timer+0x5d/0xa1 [93500.139370] [] hrtimer_interrupt+0x127/0x1b4 [93500.144610] [] smp_apic_timer_interrupt+0x72/0x84 [93500.150280] [] apic_timer_interrupt+0x33/0x38 [93500.155604] [] _spin_lock+0x3c/0x42 [93500.160064] [] __find_get_block_slow+0x46/0x105 [93500.165563] [] __find_get_block+0x91/0x15d [93500.170628] [] __getblk+0x16/0x1fb [93500.175002] [] __ext3_get_inode_loc+0x109/0x2e1 [93500.180499] [] ext3_get_inode_loc+0x17/0x19 [93500.185650] [] ext3_reserve_inode_write+0x20/0x68 [93500.191323] [] ext3_mark_inode_dirty+0x2a/0x41 [93500.196733] [] ext3_dirty_inode+0x59/0x6c [93500.201713] [] __mark_inode_dirty+0x2a/0x15a [93500.206950] [] generic_commit_write+0x68/0x72 [93500.212276] [] ext3_ordered_commit_write+0xaa/0xd8 [93500.218034] [] generic_file_buffered_write+0x3ba/0x585 [93500.224135] [] __generic_file_aio_write_nolock+0x457/0x4c4 [93500.230584] [] generic_file_aio_write+0x56/0xb4 [93500.236082] [] ext3_file_write+0x27/0x99 [93500.240974] [] do_sync_write+0xc2/0xff [93500.245693] [] vfs_write+0xaf/0x138 [93500.250153] [] sys_write+0x3d/0x61 [93500.254527] [] sysenter_past_esp+0x5f/0x99 [93500.259592] ======================= [93503.858296] BUG: soft lockup detected on CPU#1! [93503.862815] [] show_trace_log_lvl+0x1a/0x2f [93503.867968] [] show_trace+0x12/0x14 [93503.872427] [] dump_stack+0x16/0x18 [93503.876887] [] softlockup_tick+0xa7/0xb9 [93503.881780] [] run_local_timers+0x12/0x14 [93503.886760] [] update_process_times+0x3e/0x63 [93503.892084] [] tick_sched_timer+0x5d/0xa1 [93503.897064] [] hrtimer_interrupt+0x127/0x1b4 [93503.902302] [] smp_apic_timer_interrupt+0x72/0x84 [93503.907972] [] apic_timer_interrupt+0x33/0x38 [93503.913298] [] __delay+0x9/0xb [93503.917326] [] _raw_spin_lock+0x7d/0xe2 [93503.922131] [] _spin_lock+0x3c/0x42 [93503.926593] [] __find_get_block_slow+0x46/0x105 [93503.932089] [] __find_get_block+0x91/0x15d [93503.937154] [] __getblk+0x16/0x1fb [93503.941528] [] ext3_getblk+0xea/0x232 [93503.946162] [] ext3_bread+0x1a/0x7e [93503.950622] [] htree_dirblock_to_tree+0x27/0x11a [93503.956207] [] ext3_htree_fill_tree+0x68/0x1aa [93503.961618] [] ext3_readdir+0x1d6/0x599 [93503.966425] [] vfs_readdir+0x67/0x93 [93503.970972] [] sys_getdents+0x5f/0x9d [93503.975604] [] syscall_call+0x7/0xb [93503.980064] ======================= [93510.238200] BUG: soft lockup detected on CPU#0! [93510.242725] [] show_trace_log_lvl+0x1a/0x2f [93510.247877] [] show_trace+0x12/0x14 [93510.252338] [] dump_stack+0x16/0x18 [93510.256797] [] softlockup_tick+0xa7/0xb9 [93510.261689] [] run_local_timers+0x12/0x14 [93510.266670] [] update_process_times+0x3e/0x63 [93510.271993] [] tick_sched_timer+0x5d/0xa1 [93510.276972] [] hrtimer_interrupt+0x127/0x1b4 [93510.282211] [] smp_apic_timer_interrupt+0x72/0x84 [93510.287881] [] apic_timer_interrupt+0x33/0x38 [93510.293205] [] __delay+0x9/0xb [93510.297235] [] _raw_spin_lock+0x7d/0xe2 [93510.302040] [] _spin_lock+0x3c/0x42 [93510.306500] [] __find_get_block_slow+0x46/0x105 [93510.311998] [] __find_get_block+0x91/0x15d [93510.317064] [] __getblk+0x16/0x1fb [93510.321438] [] __ext3_get_inode_loc+0x109/0x2e1 [93510.326934] [] ext3_get_inode_loc+0x17/0x19 [93510.332087] [] ext3_reserve_inode_write+0x20/0x68 [93510.337758] [] ext3_mark_inode_dirty+0x2a/0x41 [93510.343169] [] ext3_dirty_inode+0x59/0x6c [93510.348149] [] __mark_inode_dirty+0x2a/0x15a [93510.353387] [] generic_commit_write+0x68/0x72 [93510.358712] [] ext3_ordered_commit_write+0xaa/0xd8 [93510.364467] [] generic_file_buffered_write+0x3ba/0x585 [93510.370570] [] __generic_file_aio_write_nolock+0x457/0x4c4 [93510.377020] [] generic_file_aio_write+0x56/0xb4 [93510.382518] [] ext3_file_write+0x27/0x99 [93510.387408] [] do_sync_write+0xc2/0xff [93510.392130] [] vfs_write+0xaf/0x138 [93510.396589] [] sys_write+0x3d/0x61 [93510.400963] [] sysenter_past_esp+0x5f/0x99 [93510.406029] ======================= [93513.242711] SysRq : Emergency Sync [93513.958977] BUG: soft lockup detected on CPU#1! [93513.963498] [] show_trace_log_lvl+0x1a/0x2f [93513.968649] [] show_trace+0x12/0x14 [93513.973109] [] dump_stack+0x16/0x18 [93513.977570] [] softlockup_tick+0xa7/0xb9 [93513.982463] [] run_local_timers+0x12/0x14 [93513.987442] [] update_process_times+0x3e/0x63 [93513.992767] [] tick_sched_timer+0x5d/0xa1 [93513.997746] [] hrtimer_interrupt+0x127/0x1b4 [93514.002983] [] smp_apic_timer_interrupt+0x72/0x84 [93514.008654] [] apic_timer_interrupt+0x33/0x38 [93514.013978] [] _raw_spin_lock+0x7d/0xe2 [93514.018785] [] _spin_lock+0x3c/0x42 [93514.023246] [] __find_get_block_slow+0x46/0x105 [93514.028743] [] __find_get_block+0x91/0x15d [93514.033810] [] __getblk+0x16/0x1fb [93514.038182] [] ext3_getblk+0xea/0x232 [93514.042815] [] ext3_bread+0x1a/0x7e [93514.047276] [] htree_dirblock_to_tree+0x27/0x11a [93514.052860] [] ext3_htree_fill_tree+0x68/0x1aa [93514.058271] [] ext3_readdir+0x1d6/0x599 [93514.063078] [] vfs_readdir+0x67/0x93 [93514.067625] [] sys_getdents+0x5f/0x9d [93514.072258] [] 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) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/