From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from magic.merlins.org ([209.81.13.136]:51283 "EHLO mail1.merlins.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750750AbaENLk2 (ORCPT ); Wed, 14 May 2014 07:40:28 -0400 Received: from merlin by mail1.merlins.org with local (Exim 4.80 #2) id 1WkXXv-0000P5-5W for ; Wed, 14 May 2014 04:40:27 -0700 Date: Wed, 14 May 2014 04:40:27 -0700 From: Marc MERLIN To: linux-btrfs@vger.kernel.org Subject: 3.15rc5 deadlock Message-ID: <20140514114027.GA32301@merlins.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-btrfs-owner@vger.kernel.org List-ID: Got this soon after boot: [ 720.086389] INFO: task pidgin:11330 blocked for more than 120 seconds. [ 720.086402] Not tainted 3.15.0-rc5-amd64-i915-preempt-20140216s1 #1 [ 720.086406] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 720.086411] pidgin D 0000000000000004 0 11330 5187 0x00000080 [ 720.086423] ffff8803d7233c30 0000000000000082 ffff8803d7233c00 ffff8803d7233fd8 [ 720.086433] ffff8804066345d0 00000000000141c0 ffff88041e3141c0 ffff8804066345d0 [ 720.086441] ffff8803d7233cd0 0000000000000002 ffffffff810fda1a ffff8803d7233c40 [ 720.086450] Call Trace: [ 720.086468] [] ? wait_on_page_read+0x3c/0x3c [ 720.086494] [] schedule+0x73/0x75 [ 720.086502] [] io_schedule+0x60/0x7a [ 720.086510] [] sleep_on_page+0xe/0x12 [ 720.086519] [] __wait_on_bit_lock+0x46/0x8a [ 720.086528] [] __lock_page+0x69/0x6b [ 720.086536] [] ? autoremove_wake_function+0x34/0x34 [ 720.086544] [] lock_page+0x1e/0x21 [ 720.086553] [] extent_write_cache_pages.isra.16.constprop.32+0x10e/0x2c6 [ 720.086562] [] extent_writepages+0x4b/0x5c [ 720.086573] [] ? debug_smp_processor_id+0x17/0x19 [ 720.086581] [] ? btrfs_submit_direct+0x3f4/0x3f4 [ 720.086592] [] btrfs_writepages+0x28/0x2a [ 720.086602] [] do_writepages+0x1e/0x2c [ 720.086611] [] __filemap_fdatawrite_range+0x55/0x57 [ 720.086620] [] filemap_fdatawrite_range+0x13/0x15 [ 720.086628] [] btrfs_sync_file+0x8b/0x2b3 [ 720.086636] [] ? __percpu_counter_add+0x8c/0xa6 [ 720.086647] [] ? __sb_end_write+0x2d/0x5b [ 720.086657] [] vfs_fsync_range+0x18/0x22 [ 720.086663] [] vfs_fsync+0x1c/0x1e [ 720.086670] [] do_fsync+0x2c/0x4c [ 720.086678] [] SyS_fsync+0x10/0x14 [ 720.086686] [] system_call_fastpath+0x1a/0x1f [ 720.086698] INFO: task BrowserBlocking:12907 blocked for more than 120 seconds. [ 720.086702] Not tainted 3.15.0-rc5-amd64-i915-preempt-20140216s1 #1 [ 720.086706] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 720.086709] BrowserBlocking D 0000000000000007 0 12907 5254 0x00000080 [ 720.086718] ffff8803bc35dc30 0000000000000086 ffff8803bc35dc00 ffff8803bc35dfd8 [ 720.086726] ffff8803d704e090 00000000000141c0 ffff88041e3d41c0 ffff8803d704e090 [ 720.086734] ffff8803bc35dcd0 0000000000000002 ffffffff810fda1a ffff8803bc35dc40 [ 720.086742] Call Trace: [ 720.086751] [] ? wait_on_page_read+0x3c/0x3c [ 720.086759] [] schedule+0x73/0x75 [ 720.086767] [] io_schedule+0x60/0x7a [ 720.086774] [] sleep_on_page+0xe/0x12 [ 720.086783] [] __wait_on_bit_lock+0x46/0x8a [ 720.086791] [] __lock_page+0x69/0x6b [ 720.086797] [] ? autoremove_wake_function+0x34/0x34 [ 720.086803] [] lock_page+0x1e/0x21 [ 720.086810] [] extent_write_cache_pages.isra.16.constprop.32+0x10e/0x2c6 [ 720.086820] [] ? file_accessed+0x13/0x15 [ 720.086826] [] extent_writepages+0x4b/0x5c [ 720.086833] [] ? btrfs_submit_direct+0x3f4/0x3f4 [ 720.086841] [] btrfs_writepages+0x28/0x2a [ 720.086849] [] do_writepages+0x1e/0x2c [ 720.086857] [] __filemap_fdatawrite_range+0x55/0x57 [ 720.086866] [] filemap_fdatawrite_range+0x13/0x15 [ 720.086873] [] btrfs_sync_file+0x8b/0x2b3 [ 720.086880] [] vfs_fsync_range+0x18/0x22 [ 720.086887] [] vfs_fsync+0x1c/0x1e [ 720.086893] [] do_fsync+0x2c/0x4c [ 720.086901] [] SyS_fdatasync+0x13/0x17 [ 720.086907] [] system_call_fastpath+0x1a/0x1f [ 720.086912] INFO: task Chrome_DBThread:12908 blocked for more than 120 seconds. [ 720.086916] Not tainted 3.15.0-rc5-amd64-i915-preempt-20140216s1 #1 [ 720.086920] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 720.086923] Chrome_DBThread D 0000000000000006 0 12908 5254 0x00000080 [ 720.086930] ffff8803bc32dc30 0000000000000086 ffff8803bc32dc00 ffff8803bc32dfd8 [ 720.086937] ffff8803d5406410 00000000000141c0 ffff88041e3941c0 ffff8803d5406410 [ 720.086945] ffff8803bc32dcd0 0000000000000002 ffffffff810fda1a ffff8803bc32dc40 [ 720.086953] Call Trace: [ 720.086961] [] ? wait_on_page_read+0x3c/0x3c [ 720.086969] [] schedule+0x73/0x75 [ 720.086977] [] io_schedule+0x60/0x7a [ 720.086985] [] sleep_on_page+0xe/0x12 [ 720.086993] [] __wait_on_bit_lock+0x46/0x8a [ 720.087001] [] __lock_page+0x69/0x6b [ 720.087008] [] ? autoremove_wake_function+0x34/0x34 [ 720.087014] [] lock_page+0x1e/0x21 [ 720.087020] [] extent_write_cache_pages.isra.16.constprop.32+0x10e/0x2c6 [ 720.087032] [] ? pagefault_enable+0xe/0x21 [ 720.087040] [] ? copy_page_to_iter+0x163/0x26b [ 720.087049] [] ? file_accessed+0x13/0x15 [ 720.087055] [] extent_writepages+0x4b/0x5c [ 720.087061] [] ? btrfs_submit_direct+0x3f4/0x3f4 [ 720.087070] [] btrfs_writepages+0x28/0x2a [ 720.087077] [] do_writepages+0x1e/0x2c [ 720.087086] [] __filemap_fdatawrite_range+0x55/0x57 [ 720.087095] [] filemap_fdatawrite_range+0x13/0x15 [ 720.087101] [] btrfs_sync_file+0xa8/0x2b3 [ 720.087109] [] vfs_fsync_range+0x18/0x22 [ 720.087115] [] vfs_fsync+0x1c/0x1e [ 720.087122] [] do_fsync+0x2c/0x4c [ 720.087129] [] SyS_fdatasync+0x13/0x17 [ 720.087135] [] system_call_fastpath+0x1a/0x1f [ 720.087143] INFO: task IndexedDB:12914 blocked for more than 120 seconds. [ 720.087147] Not tainted 3.15.0-rc5-amd64-i915-preempt-20140216s1 #1 [ 720.087150] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 720.087153] IndexedDB D 0000000000000003 0 12914 5254 0x00000080 [ 720.087160] ffff8803b9ee7c30 0000000000000086 ffff8803b9ee7c00 ffff8803b9ee7fd8 [ 720.087168] ffff8803d5666390 00000000000141c0 ffff88041e2d41c0 ffff8803d5666390 [ 720.087175] ffff8803b9ee7cd0 0000000000000002 ffffffff810fda1a ffff8803b9ee7c40 [ 720.087183] Call Trace: [ 720.087192] [] ? wait_on_page_read+0x3c/0x3c [ 720.087200] [] schedule+0x73/0x75 [ 720.087208] [] io_schedule+0x60/0x7a [ 720.087215] [] sleep_on_page+0xe/0x12 [ 720.087224] [] __wait_on_bit_lock+0x46/0x8a [ 720.087232] [] __lock_page+0x69/0x6b [ 720.087238] [] ? autoremove_wake_function+0x34/0x34 [ 720.087244] [] lock_page+0x1e/0x21 [ 720.087251] [] extent_write_cache_pages.isra.16.constprop.32+0x10e/0x2c6 [ 720.087261] [] ? mutex_unlock+0x16/0x18 [ 720.087268] [] ? btrfs_file_aio_write+0x3e9/0x4b6 [ 720.087275] [] extent_writepages+0x4b/0x5c [ 720.087281] [] ? btrfs_submit_direct+0x3f4/0x3f4 [ 720.087289] [] btrfs_writepages+0x28/0x2a [ 720.087297] [] do_writepages+0x1e/0x2c [ 720.087305] [] __filemap_fdatawrite_range+0x55/0x57 [ 720.087314] [] filemap_fdatawrite_range+0x13/0x15 [ 720.087321] [] btrfs_sync_file+0xa8/0x2b3 [ 720.087328] [] ? __percpu_counter_add+0x8c/0xa6 [ 720.087336] [] vfs_fsync_range+0x18/0x22 [ 720.087342] [] vfs_fsync+0x1c/0x1e [ 720.087349] [] do_fsync+0x2c/0x4c [ 720.087356] [] SyS_fdatasync+0x13/0x17 [ 720.087362] [] system_call_fastpath+0x1a/0x1f [ 720.087368] INFO: task BrowserBlocking:12917 blocked for more than 120 seconds. [ 720.087372] Not tainted 3.15.0-rc5-amd64-i915-preempt-20140216s1 #1 [ 720.087375] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 720.087379] BrowserBlocking D 0000000000000000 0 12917 5254 0x00000080 [ 720.087385] ffff8803bc3c3c30 0000000000000086 ffff8803bc3c3c00 ffff8803bc3c3fd8 [ 720.087393] ffff8803cf788050 00000000000141c0 ffff88041e2141c0 ffff8803cf788050 [ 720.087400] ffff8803bc3c3cd0 0000000000000002 ffffffff810fda1a ffff8803bc3c3c40 [ 720.087408] Call Trace: [ 720.087416] [] ? wait_on_page_read+0x3c/0x3c [ 720.087424] [] schedule+0x73/0x75 [ 720.087432] [] io_schedule+0x60/0x7a [ 720.087440] [] sleep_on_page+0xe/0x12 [ 720.087448] [] __wait_on_bit_lock+0x46/0x8a [ 720.087456] [] __lock_page+0x69/0x6b [ 720.087462] [] ? autoremove_wake_function+0x34/0x34 [ 720.087468] [] lock_page+0x1e/0x21 [ 720.087475] [] extent_write_cache_pages.isra.16.constprop.32+0x10e/0x2c6 [ 720.087483] [] extent_writepages+0x4b/0x5c [ 720.087489] [] ? btrfs_submit_direct+0x3f4/0x3f4 [ 720.087498] [] btrfs_writepages+0x28/0x2a [ 720.087505] [] do_writepages+0x1e/0x2c [ 720.087514] [] __filemap_fdatawrite_range+0x55/0x57 [ 720.087522] [] filemap_fdatawrite_range+0x13/0x15 [ 720.087529] [] btrfs_sync_file+0x8b/0x2b3 [ 720.087536] [] ? __sb_end_write+0x2d/0x5b [ 720.087544] [] vfs_fsync_range+0x18/0x22 [ 720.087550] [] vfs_fsync+0x1c/0x1e [ 720.087557] [] do_fsync+0x2c/0x4c [ 720.087564] [] SyS_fsync+0x10/0x14 [ 720.087570] [] system_call_fastpath+0x1a/0x1f [ 720.087577] INFO: task BrowserBlocking:12933 blocked for more than 120 seconds. [ 720.087580] Not tainted 3.15.0-rc5-amd64-i915-preempt-20140216s1 #1 [ 720.087584] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 720.087587] BrowserBlocking D 0000000000000000 0 12933 5254 0x00000080 [ 720.087593] ffff8803b798bc30 0000000000000086 ffff8803b798bc00 ffff8803b798bfd8 [ 720.087601] ffff8800bb862190 00000000000141c0 ffff88041e2141c0 ffff8800bb862190 [ 720.087608] ffff8803b798bcd0 0000000000000002 ffffffff810fda1a ffff8803b798bc40 [ 720.087616] Call Trace: [ 720.087624] [] ? wait_on_page_read+0x3c/0x3c [ 720.087632] [] schedule+0x73/0x75 [ 720.087640] [] io_schedule+0x60/0x7a [ 720.087648] [] sleep_on_page+0xe/0x12 [ 720.087656] [] __wait_on_bit_lock+0x46/0x8a [ 720.087664] [] __lock_page+0x69/0x6b [ 720.087670] [] ? autoremove_wake_function+0x34/0x34 [ 720.087676] [] lock_page+0x1e/0x21 [ 720.087683] [] extent_write_cache_pages.isra.16.constprop.32+0x10e/0x2c6 [ 720.087712] [] ? mutex_unlock+0x16/0x18 [ 720.087719] [] ? btrfs_file_aio_write+0x3e9/0x4b6 [ 720.087725] [] extent_writepages+0x4b/0x5c [ 720.087731] [] ? btrfs_submit_direct+0x3f4/0x3f4 [ 720.087740] [] btrfs_writepages+0x28/0x2a [ 720.087748] [] do_writepages+0x1e/0x2c [ 720.087756] [] __filemap_fdatawrite_range+0x55/0x57 [ 720.087765] [] filemap_fdatawrite_range+0x13/0x15 [ 720.087771] [] btrfs_sync_file+0xa8/0x2b3 [ 720.087778] [] ? __percpu_counter_add+0x8c/0xa6 [ 720.087786] [] vfs_fsync_range+0x18/0x22 [ 720.087793] [] vfs_fsync+0x1c/0x1e [ 720.087799] [] do_fsync+0x2c/0x4c [ 720.087806] [] SyS_fdatasync+0x13/0x17 [ 720.087812] [] system_call_fastpath+0x1a/0x1f [ 720.087881] INFO: task mutt:13900 blocked for more than 120 seconds. [ 720.087885] Not tainted 3.15.0-rc5-amd64-i915-preempt-20140216s1 #1 [ 720.087888] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 720.087892] mutt D 0000000000000006 0 13900 7279 0x00000080 [ 720.087898] ffff880096b45b40 0000000000000086 ffff880096b45b10 ffff880096b45fd8 [ 720.087906] ffff880096a341d0 00000000000141c0 ffff88041e3941c0 ffff880096a341d0 [ 720.087913] ffff880096b45be0 0000000000000002 ffffffff810fda1a ffff880096b45b50 [ 720.087921] Call Trace: [ 720.087930] [] ? wait_on_page_read+0x3c/0x3c [ 720.087938] [] schedule+0x73/0x75 [ 720.087945] [] io_schedule+0x60/0x7a [ 720.087953] [] sleep_on_page+0xe/0x12 [ 720.087961] [] __wait_on_bit_lock+0x46/0x8a [ 720.087969] [] __lock_page+0x69/0x6b [ 720.087975] [] ? autoremove_wake_function+0x34/0x34 [ 720.087981] [] lock_page+0x1e/0x21 [ 720.087988] [] extent_write_cache_pages.isra.16.constprop.32+0x10e/0x2c6 [ 720.087996] [] ? pagevec_lookup_entries+0x1e/0x26 [ 720.088003] [] ? truncate_inode_pages_range+0x2a9/0x3ad [ 720.088013] [] ? setup_items_for_insert+0x2ba/0x2da [ 720.088019] [] extent_writepages+0x4b/0x5c [ 720.088025] [] ? btrfs_submit_direct+0x3f4/0x3f4 [ 720.088034] [] btrfs_writepages+0x28/0x2a [ 720.088042] [] do_writepages+0x1e/0x2c [ 720.088050] [] __filemap_fdatawrite_range+0x55/0x57 [ 720.088059] [] filemap_fdatawrite_range+0x13/0x15 [ 720.088067] [] btrfs_wait_ordered_range+0x85/0x11a [ 720.088074] [] btrfs_truncate+0x45/0x22b [ 720.088081] [] btrfs_setattr+0x19b/0x273 [ 720.088090] [] notify_change+0x1be/0x2a6 [ 720.088100] [] do_truncate+0x69/0x90 [ 720.088108] [] ? __sb_start_write+0x9f/0xd3 [ 720.088117] [] do_sys_ftruncate.constprop.6+0xbf/0xf3 [ 720.088126] [] SyS_ftruncate+0xe/0x10 [ 720.088132] [] system_call_fastpath+0x1a/0x1f [ 720.088153] INFO: task kworker/u16:51:15411 blocked for more than 120 seconds. [ 720.088157] Not tainted 3.15.0-rc5-amd64-i915-preempt-20140216s1 #1 [ 720.088160] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 720.088163] kworker/u16:51 D 0000000000000000 0 15411 2 0x00000080 [ 720.088179] Workqueue: btrfs-delalloc normal_work_helper [ 720.088183] ffff8800751db860 0000000000000046 ffff8800751db830 ffff8800751dbfd8 [ 720.088190] ffff8800751d8550 00000000000141c0 ffff88041e2541c0 ffff8800751d8550 [ 720.088198] ffff8800751db900 0000000000000002 ffffffff810fda1a ffff8800751db870 [ 720.088206] Call Trace: [ 720.088214] [] ? wait_on_page_read+0x3c/0x3c [ 720.088222] [] schedule+0x73/0x75 [ 720.088230] [] io_schedule+0x60/0x7a [ 720.088238] [] sleep_on_page+0xe/0x12 [ 720.088246] [] __wait_on_bit_lock+0x46/0x8a [ 720.088254] [] __lock_page+0x69/0x6b [ 720.088260] [] ? autoremove_wake_function+0x34/0x34 [ 720.088268] [] lock_page+0x19/0x1c [ 720.088276] [] find_lock_entry+0x33/0x55 [ 720.088284] [] find_lock_page+0xe/0x1b [ 720.088293] [] find_or_create_page+0x31/0x83 [ 720.088302] [] io_ctl_prepare_pages+0x49/0x11c [ 720.088310] [] __load_free_space_cache+0x1be/0x56c [ 720.088319] [] load_free_space_cache+0xe6/0x199 [ 720.088330] [] ? get_parent_ip+0xd/0x3c [ 720.088339] [] cache_block_group+0x1c4/0x343 [ 720.088345] [] ? finish_wait+0x65/0x65 [ 720.088354] [] find_free_extent+0x391/0x89e [ 720.088363] [] btrfs_reserve_extent+0x70/0x114 [ 720.088370] [] cow_file_range+0x1b0/0x388 [ 720.088377] [] submit_compressed_extents+0x102/0x40f [ 720.088384] [] ? async_cow_free+0x24/0x27 [ 720.088391] [] async_cow_submit+0x86/0x8b [ 720.088399] [] normal_work_helper+0x194/0x240 [ 720.088408] [] process_one_work+0x195/0x2d2 [ 720.088415] [] worker_thread+0x136/0x205 [ 720.088422] [] ? rescuer_thread+0x27a/0x27a [ 720.088429] [] kthread+0xae/0xb6 [ 720.088435] [] ? __kthread_parkme+0x61/0x61 [ 720.088441] [] ret_from_fork+0x7c/0xb0 [ 720.088447] [] ? __kthread_parkme+0x61/0x61 [ 720.088453] INFO: task kworker/u16:55:15415 blocked for more than 120 seconds. [ 720.088456] Not tainted 3.15.0-rc5-amd64-i915-preempt-20140216s1 #1 [ 720.088460] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 720.088463] kworker/u16:55 D 0000000000000000 0 15415 2 0x00000080 [ 720.088475] Workqueue: writeback bdi_writeback_workfn (flush-btrfs-1) [ 720.088480] ffff8800752a5a00 0000000000000046 ffff8800752a59d0 ffff8800752a5fd8 [ 720.088488] ffff8800b9ef4550 00000000000141c0 ffff88041e2541c0 ffff8800b9ef4550 [ 720.088496] ffff8800752a5aa0 0000000000000002 ffffffff810fda1a ffff8800752a5a10 [ 720.088503] Call Trace: [ 720.088512] [] ? wait_on_page_read+0x3c/0x3c [ 720.088520] [] schedule+0x73/0x75 [ 720.088528] [] io_schedule+0x60/0x7a [ 720.088535] [] sleep_on_page+0xe/0x12 [ 720.088544] [] __wait_on_bit_lock+0x46/0x8a [ 720.088552] [] __lock_page+0x69/0x6b [ 720.088558] [] ? autoremove_wake_function+0x34/0x34 [ 720.088564] [] lock_page+0x1e/0x21 [ 720.088571] [] extent_write_cache_pages.isra.16.constprop.32+0x10e/0x2c6 [ 720.088579] [] extent_writepages+0x4b/0x5c [ 720.088585] [] ? btrfs_submit_direct+0x3f4/0x3f4 [ 720.088594] [] ? preempt_count_add+0x77/0x8d [ 720.088602] [] btrfs_writepages+0x28/0x2a [ 720.088610] [] do_writepages+0x1e/0x2c [ 720.088616] [] __writeback_single_inode+0x7d/0x238 [ 720.088623] [] writeback_sb_inodes+0x1eb/0x339 [ 720.088630] [] __writeback_inodes_wb+0x74/0xb7 [ 720.088637] [] wb_writeback+0x138/0x293 [ 720.088644] [] bdi_writeback_workfn+0xc9/0x329 [ 720.088655] [] ? load_TLS+0xb/0xf [ 720.088661] [] ? mmdrop+0x11/0x20 [ 720.088669] [] process_one_work+0x195/0x2d2 [ 720.088676] [] worker_thread+0x136/0x205 [ 720.088683] [] ? rescuer_thread+0x27a/0x27a [ 720.088689] [] kthread+0xae/0xb6 [ 720.088695] [] ? __kthread_parkme+0x61/0x61 [ 720.088701] [] ret_from_fork+0x7c/0xb0 [ 720.088707] [] ? __kthread_parkme+0x61/0x61 [ 720.088726] INFO: task sync:18457 blocked for more than 120 seconds. [ 720.088730] Not tainted 3.15.0-rc5-amd64-i915-preempt-20140216s1 #1 [ 720.088733] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 720.088737] sync D 0000000000000001 0 18457 18373 0x00000080 [ 720.088743] ffff8802e6fe3d60 0000000000000086 ffff8800b9ef4cdc ffff8802e6fe3fd8 [ 720.088751] ffff8802aa324190 00000000000141c0 7fffffffffffffff ffff8802e6fe3e98 [ 720.088758] 0000000000000002 ffffffff8161be00 7fffffffffffffff ffff8802e6fe3d70 [ 720.088766] Call Trace: [ 720.088775] [] ? sock_rps_reset_flow+0x36/0x36 [ 720.088783] [] schedule+0x73/0x75 [ 720.088791] [] schedule_timeout+0x39/0x129 [ 720.088798] [] ? _raw_spin_unlock+0x17/0x2a [ 720.088805] [] ? get_parent_ip+0xd/0x3c [ 720.088813] [] ? preempt_count_add+0x7a/0x8d [ 720.088821] [] __wait_for_common+0x11a/0x159 [ 720.088831] [] ? wake_up_state+0x12/0x12 [ 720.088838] [] ? vfs_fsync+0x1e/0x1e [ 720.088846] [] wait_for_completion+0x24/0x26 [ 720.088852] [] sync_inodes_sb+0xb6/0x1a0 [ 720.088860] [] ? vfs_fsync+0x1e/0x1e [ 720.088867] [] sync_inodes_one_sb+0x14/0x16 [ 720.088874] [] iterate_supers+0x6e/0xc2 [ 720.088881] [] sys_sync+0x32/0x80 [ 720.088888] [] system_call_fastpath+0x1a/0x1f -- "A mouse is a device used to point at the xterm you want to type in" - A.S.R. Microsoft is to operating systems .... .... what McDonalds is to gourmet cooking Home page: http://marc.merlins.org/