Your message dated Fri, 28 May 2021 12:23:53 -0700 (PDT) with message-id <[email protected]> and subject line Closing this bug (BTS maintenance for src:linux bugs) has caused the Debian Bug report #908764, regarding I/O stuck in jbd2_journal_commit_transaction to be marked as done.
This means that you claim that the problem has been dealt with. If this is not the case it is now your responsibility to reopen the Bug report if necessary, and/or fix the problem forthwith. (NB: If you are a system administrator and have no idea what this message is talking about, this may indicate a serious mail system misconfiguration somewhere. Please contact [email protected] immediately.) -- 908764: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=908764 Debian Bug Tracking System Contact [email protected] with problems
--- Begin Message ---Package: linux-image Version: 4.9.0-8 After each reboot, all I/O on the machine gets stuck for a couple of minutes with the following output in dmesg: [94491.612134] INFO: task jbd2/dm-3-8:2335 blocked for more than 120 seconds. [94491.612136] Not tainted 4.9.0-8-amd64 #1 Debian 4.9.110-3+deb9u4 [94491.612136] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [94491.612137] jbd2/dm-3-8 D 0 2335 2 0x00000000 [94491.612141] ffff92e66d7ab000 0000000000000000 ffff92f6acb85100 ffff92e69f758980 [94491.612143] ffff92e69262e140 ffffab4cdb017ca0 ffffffff83610ee9 ffff92e68b979088 [94491.612145] 0000000000000246 ffff92e69f758980 ffffab4cdb017d80 ffff92f6acb85100 [94491.612147] Call Trace: [94491.612154] [<ffffffff83610ee9>] ? __schedule+0x239/0x6f0 [94491.612157] [<ffffffff830bbfb0>] ? prepare_to_wait_event+0xf0/0xf0 [94491.612159] [<ffffffff836113d2>] ? schedule+0x32/0x80 [94491.612169] [<ffffffffc03a22ef>] ? jbd2_journal_commit_transaction+0x25f/0x17b0 [jbd2] [94491.612172] [<ffffffff830aef01>] ? update_curr+0xe1/0x160 [94491.612174] [<ffffffff830add04>] ? account_entity_dequeue+0xa4/0xc0 [94491.612176] [<ffffffff830bbfb0>] ? prepare_to_wait_event+0xf0/0xf0 [94491.612179] [<ffffffff830a07c2>] ? finish_task_switch+0x152/0x200 [94491.612182] [<ffffffffc03a7c62>] ? kjournald2+0xc2/0x260 [jbd2] [94491.612184] [<ffffffff830bbfb0>] ? prepare_to_wait_event+0xf0/0xf0 [94491.612187] [<ffffffffc03a7ba0>] ? commit_timeout+0x10/0x10 [jbd2] [94491.612189] [<ffffffff83099329>] ? kthread+0xd9/0xf0 [94491.612190] [<ffffffff83099250>] ? kthread_park+0x60/0x60 [94491.612192] [<ffffffff83615df7>] ? ret_from_fork+0x57/0x70 [94491.612219] INFO: task kworker/u113:1:13607 blocked for more than 120 seconds. [94491.612220] Not tainted 4.9.0-8-amd64 #1 Debian 4.9.110-3+deb9u4 [94491.612220] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [94491.612221] kworker/u113:1 D 0 13607 2 0x00000000 [94491.612227] Workqueue: writeback wb_workfn (flush-253:3) [94491.612228] ffff92e66d7ab000 0000000000000000 ffff92e5a29a1040 ffff92e69f658980 [94491.612230] ffff92e692613040 ffffab4d1b9c78b0 ffffffff83610ee9 0000000000000000 [94491.612231] 0000000000000001 ffff92e69f658980 ffffab4d1b9c78d0 ffff92e5a29a1040 [94491.612233] Call Trace: [94491.612235] [<ffffffff83610ee9>] ? __schedule+0x239/0x6f0 [94491.612237] [<ffffffff836113d2>] ? schedule+0x32/0x80 [94491.612240] [<ffffffffc039f086>] ? wait_transaction_locked+0x86/0xc0 [jbd2] [94491.612241] [<ffffffff830bbfb0>] ? prepare_to_wait_event+0xf0/0xf0 [94491.612244] [<ffffffffc039f2a8>] ? add_transaction_credits+0x1b8/0x290 [jbd2] [94491.612246] [<ffffffffc039f4d5>] ? start_this_handle+0x105/0x400 [jbd2] [94491.612250] [<ffffffff831e6c7c>] ? kmem_cache_alloc+0xbc/0x530 [94491.612252] [<ffffffffc039f9f9>] ? jbd2__journal_start+0xd9/0x1e0 [jbd2] [94491.612278] [<ffffffffc046c39b>] ? ext4_writepages+0x45b/0xd60 [ext4] [94491.612280] [<ffffffff830b4ec1>] ? update_group_capacity+0x21/0x1c0 [94491.612283] [<ffffffff83331c16>] ? cpumask_next_and+0x26/0x40 [94491.612285] [<ffffffff8323832d>] ? __writeback_single_inode+0x3d/0x320 [94491.612286] [<ffffffff83238ad1>] ? writeback_sb_inodes+0x221/0x4f0 [94491.612288] [<ffffffff83238e27>] ? __writeback_inodes_wb+0x87/0xb0 [94491.612290] [<ffffffff8323919e>] ? wb_writeback+0x27e/0x310 [94491.612292] [<ffffffff83224cdc>] ? get_nr_inodes+0x3c/0x60 [94491.612293] [<ffffffff83239b04>] ? wb_workfn+0x2b4/0x380 [94491.612295] [<ffffffff83092fea>] ? process_one_work+0x18a/0x420 [94491.612296] [<ffffffff830932cd>] ? worker_thread+0x4d/0x490 [94491.612297] [<ffffffff83093280>] ? process_one_work+0x420/0x420 [94491.612299] [<ffffffff83099329>] ? kthread+0xd9/0xf0 [94491.612301] [<ffffffff83099250>] ? kthread_park+0x60/0x60 [94491.612302] [<ffffffff83615df7>] ? ret_from_fork+0x57/0x70 [94491.612303] INFO: task qemu-system-x86:13636 blocked for more than 120 seconds. [94491.612304] Not tainted 4.9.0-8-amd64 #1 Debian 4.9.110-3+deb9u4 [94491.612304] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [94491.612305] qemu-system-x86 D 0 13636 1 0x00000000 [94491.612307] ffff92e66d7ab000 0000000000000000 ffff92e5a20f9040 ffff92e69f798980 [94491.612308] ffff92e692633000 ffffab4d1ba37a40 ffffffff83610ee9 ffffffff836113d2 [94491.612310] 00ffab4d1ba37c10 ffff92e69f798980 ffffab4d1ba37a60 ffff92e5a20f9040 [94491.612311] Call Trace: [94491.612313] [<ffffffff83610ee9>] ? __schedule+0x239/0x6f0 [94491.612315] [<ffffffff836113d2>] ? schedule+0x32/0x80 [94491.612316] [<ffffffff836113d2>] ? schedule+0x32/0x80 [94491.612319] [<ffffffffc039f086>] ? wait_transaction_locked+0x86/0xc0 [jbd2] [94491.612320] [<ffffffff830bbfb0>] ? prepare_to_wait_event+0xf0/0xf0 [94491.612323] [<ffffffffc039f2a8>] ? add_transaction_credits+0x1b8/0x290 [jbd2] [94491.612325] [<ffffffffc039f4d5>] ? start_this_handle+0x105/0x400 [jbd2] [94491.612328] [<ffffffffc039f9f9>] ? jbd2__journal_start+0xd9/0x1e0 [jbd2] [94491.612335] [<ffffffffc04702dd>] ? ext4_dirty_inode+0x2d/0x60 [ext4] [94491.612337] [<ffffffff832380fb>] ? __mark_inode_dirty+0x16b/0x360 [94491.612339] [<ffffffff83225829>] ? generic_update_time+0x79/0xd0 [94491.612340] [<ffffffff83225a36>] ? current_time+0x36/0x70 [94491.612342] [<ffffffff83225b2f>] ? file_update_time+0xbf/0x110 [94491.612343] [<ffffffff8321e7c0>] ? poll_select_copy_remaining+0x150/0x150 [94491.612345] [<ffffffff831830f9>] ? __generic_file_write_iter+0x99/0x1b0 [94491.612352] [<ffffffffc0462220>] ? ext4_file_write_iter+0x90/0x370 [ext4] [94491.612354] [<ffffffff83344767>] ? import_iovec+0x37/0xd0 [94491.612357] [<ffffffff8325972b>] ? aio_write+0xfb/0x150 [94491.612359] [<ffffffff8321e7c0>] ? poll_select_copy_remaining+0x150/0x150 [94491.612360] [<ffffffff831e6c7c>] ? kmem_cache_alloc+0xbc/0x530 [94491.612362] [<ffffffff8321e7c0>] ? poll_select_copy_remaining+0x150/0x150 [94491.612364] [<ffffffff832285f1>] ? __fget_light+0x21/0x60 [94491.612365] [<ffffffff8325a759>] ? do_io_submit+0x2b9/0x620 [94491.612368] [<ffffffff83003b7d>] ? do_syscall_64+0x8d/0xf0 [94491.612369] [<ffffffff83615c4e>] ? entry_SYSCALL_64_after_swapgs+0x58/0xc6 [94612.444130] INFO: task jbd2/dm-3-8:2335 blocked for more than 120 seconds. [94612.444132] Not tainted 4.9.0-8-amd64 #1 Debian 4.9.110-3+deb9u4 [94612.444132] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [94612.444133] jbd2/dm-3-8 D 0 2335 2 0x00000000 [94612.444137] ffff92e66d7ab000 0000000000000000 ffff92f6acb85100 ffff92e69f758980 [94612.444139] ffff92e69262e140 ffffab4cdb017ca0 ffffffff83610ee9 ffff92e68b979088 [94612.444141] 0000000000000246 ffff92e69f758980 ffffab4cdb017d80 ffff92f6acb85100 [94612.444143] Call Trace: [94612.444150] [<ffffffff83610ee9>] ? __schedule+0x239/0x6f0 [94612.444153] [<ffffffff830bbfb0>] ? prepare_to_wait_event+0xf0/0xf0 [94612.444155] [<ffffffff836113d2>] ? schedule+0x32/0x80 [94612.444164] [<ffffffffc03a22ef>] ? jbd2_journal_commit_transaction+0x25f/0x17b0 [jbd2] [94612.444167] [<ffffffff830aef01>] ? update_curr+0xe1/0x160 [94612.444169] [<ffffffff830add04>] ? account_entity_dequeue+0xa4/0xc0 [94612.444171] [<ffffffff830bbfb0>] ? prepare_to_wait_event+0xf0/0xf0 [94612.444174] [<ffffffff830a07c2>] ? finish_task_switch+0x152/0x200 [94612.444178] [<ffffffffc03a7c62>] ? kjournald2+0xc2/0x260 [jbd2] [94612.444179] [<ffffffff830bbfb0>] ? prepare_to_wait_event+0xf0/0xf0 [94612.444182] [<ffffffffc03a7ba0>] ? commit_timeout+0x10/0x10 [jbd2] [94612.444184] [<ffffffff83099329>] ? kthread+0xd9/0xf0 [94612.444186] [<ffffffff83099250>] ? kthread_park+0x60/0x60 [94612.444188] [<ffffffff83615df7>] ? ret_from_fork+0x57/0x70 [94612.444212] INFO: task kworker/u113:1:13607 blocked for more than 120 seconds. [94612.444213] Not tainted 4.9.0-8-amd64 #1 Debian 4.9.110-3+deb9u4 [94612.444213] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [94612.444214] kworker/u113:1 D 0 13607 2 0x00000000 [94612.444219] Workqueue: writeback wb_workfn (flush-253:3) [94612.444221] ffff92e66d7ab000 0000000000000000 ffff92e5a29a1040 ffff92e69f658980 [94612.444223] ffff92e692613040 ffffab4d1b9c78b0 ffffffff83610ee9 0000000000000000 [94612.444224] 0000000000000001 ffff92e69f658980 ffffab4d1b9c78d0 ffff92e5a29a1040 [94612.444226] Call Trace: [94612.444228] [<ffffffff83610ee9>] ? __schedule+0x239/0x6f0 [94612.444230] [<ffffffff836113d2>] ? schedule+0x32/0x80 [94612.444232] [<ffffffffc039f086>] ? wait_transaction_locked+0x86/0xc0 [jbd2] [94612.444234] [<ffffffff830bbfb0>] ? prepare_to_wait_event+0xf0/0xf0 [94612.444237] [<ffffffffc039f2a8>] ? add_transaction_credits+0x1b8/0x290 [jbd2] [94612.444239] [<ffffffffc039f4d5>] ? start_this_handle+0x105/0x400 [jbd2] [94612.444242] [<ffffffff831e6c7c>] ? kmem_cache_alloc+0xbc/0x530 [94612.444245] [<ffffffffc039f9f9>] ? jbd2__journal_start+0xd9/0x1e0 [jbd2] [94612.444269] [<ffffffffc046c39b>] ? ext4_writepages+0x45b/0xd60 [ext4] [94612.444270] [<ffffffff830b4ec1>] ? update_group_capacity+0x21/0x1c0 [94612.444272] [<ffffffff83331c16>] ? cpumask_next_and+0x26/0x40 [94612.444274] [<ffffffff8323832d>] ? __writeback_single_inode+0x3d/0x320 [94612.444276] [<ffffffff83238ad1>] ? writeback_sb_inodes+0x221/0x4f0 [94612.444278] [<ffffffff83238e27>] ? __writeback_inodes_wb+0x87/0xb0 [94612.444279] [<ffffffff8323919e>] ? wb_writeback+0x27e/0x310 [94612.444281] [<ffffffff83224cdc>] ? get_nr_inodes+0x3c/0x60 [94612.444283] [<ffffffff83239b04>] ? wb_workfn+0x2b4/0x380 [94612.444284] [<ffffffff83092fea>] ? process_one_work+0x18a/0x420 [94612.444286] [<ffffffff830932cd>] ? worker_thread+0x4d/0x490 [94612.444287] [<ffffffff83093280>] ? process_one_work+0x420/0x420 [94612.444289] [<ffffffff83099329>] ? kthread+0xd9/0xf0 [94612.444290] [<ffffffff83099250>] ? kthread_park+0x60/0x60 [94612.444292] [<ffffffff83615df7>] ? ret_from_fork+0x57/0x70 [94612.444293] INFO: task qemu-system-x86:13636 blocked for more than 120 seconds. [94612.444294] Not tainted 4.9.0-8-amd64 #1 Debian 4.9.110-3+deb9u4 [94612.444294] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [94612.444295] qemu-system-x86 D 0 13636 1 0x00000000 [94612.444296] ffff92e66d7ab000 0000000000000000 ffff92e5a20f9040 ffff92e69f798980 [94612.444298] ffff92e692633000 ffffab4d1ba37a40 ffffffff83610ee9 ffffffff836113d2 [94612.444299] 00ffab4d1ba37c10 ffff92e69f798980 ffffab4d1ba37a60 ffff92e5a20f9040 [94612.444301] Call Trace: [94612.444303] [<ffffffff83610ee9>] ? __schedule+0x239/0x6f0 [94612.444304] [<ffffffff836113d2>] ? schedule+0x32/0x80 [94612.444306] [<ffffffff836113d2>] ? schedule+0x32/0x80 [94612.444308] [<ffffffffc039f086>] ? wait_transaction_locked+0x86/0xc0 [jbd2] [94612.444310] [<ffffffff830bbfb0>] ? prepare_to_wait_event+0xf0/0xf0 [94612.444312] [<ffffffffc039f2a8>] ? add_transaction_credits+0x1b8/0x290 [jbd2] [94612.444315] [<ffffffffc039f4d5>] ? start_this_handle+0x105/0x400 [jbd2] [94612.444317] [<ffffffffc039f9f9>] ? jbd2__journal_start+0xd9/0x1e0 [jbd2] [94612.444325] [<ffffffffc04702dd>] ? ext4_dirty_inode+0x2d/0x60 [ext4] [94612.444326] [<ffffffff832380fb>] ? __mark_inode_dirty+0x16b/0x360 [94612.444328] [<ffffffff83225829>] ? generic_update_time+0x79/0xd0 [94612.444330] [<ffffffff83225a36>] ? current_time+0x36/0x70 [94612.444331] [<ffffffff83225b2f>] ? file_update_time+0xbf/0x110 [94612.444333] [<ffffffff8321e7c0>] ? poll_select_copy_remaining+0x150/0x150 [94612.444335] [<ffffffff831830f9>] ? __generic_file_write_iter+0x99/0x1b0 [94612.444341] [<ffffffffc0462220>] ? ext4_file_write_iter+0x90/0x370 [ext4] [94612.444343] [<ffffffff83344767>] ? import_iovec+0x37/0xd0 [94612.444345] [<ffffffff8325972b>] ? aio_write+0xfb/0x150 [94612.444347] [<ffffffff8321e7c0>] ? poll_select_copy_remaining+0x150/0x150 [94612.444348] [<ffffffff831e6c7c>] ? kmem_cache_alloc+0xbc/0x530 [94612.444350] [<ffffffff8321e7c0>] ? poll_select_copy_remaining+0x150/0x150 [94612.444351] [<ffffffff832285f1>] ? __fget_light+0x21/0x60 [94612.444353] [<ffffffff8325a759>] ? do_io_submit+0x2b9/0x620 [94612.444355] [<ffffffff83003b7d>] ? do_syscall_64+0x8d/0xf0 [94612.444357] [<ffffffff83615c4e>] ? entry_SYSCALL_64_after_swapgs+0x58/0xc6 [94733.276160] INFO: task jbd2/dm-3-8:2335 blocked for more than 120 seconds. [94733.276162] Not tainted 4.9.0-8-amd64 #1 Debian 4.9.110-3+deb9u4 [94733.276163] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [94733.276164] jbd2/dm-3-8 D 0 2335 2 0x00000000 [94733.276167] ffff92e66d7ab000 0000000000000000 ffff92f6acb85100 ffff92e69f758980 [94733.276170] ffff92e69262e140 ffffab4cdb017ca0 ffffffff83610ee9 ffff92e68b979088 [94733.276171] 0000000000000246 ffff92e69f758980 ffffab4cdb017d80 ffff92f6acb85100 [94733.276173] Call Trace: [94733.276180] [<ffffffff83610ee9>] ? __schedule+0x239/0x6f0 [94733.276183] [<ffffffff830bbfb0>] ? prepare_to_wait_event+0xf0/0xf0 [94733.276185] [<ffffffff836113d2>] ? schedule+0x32/0x80 [94733.276194] [<ffffffffc03a22ef>] ? jbd2_journal_commit_transaction+0x25f/0x17b0 [jbd2] [94733.276197] [<ffffffff830aef01>] ? update_curr+0xe1/0x160 [94733.276199] [<ffffffff830add04>] ? account_entity_dequeue+0xa4/0xc0 [94733.276201] [<ffffffff830bbfb0>] ? prepare_to_wait_event+0xf0/0xf0 [94733.276204] [<ffffffff830a07c2>] ? finish_task_switch+0x152/0x200 [94733.276208] [<ffffffffc03a7c62>] ? kjournald2+0xc2/0x260 [jbd2] [94733.276209] [<ffffffff830bbfb0>] ? prepare_to_wait_event+0xf0/0xf0 [94733.276212] [<ffffffffc03a7ba0>] ? commit_timeout+0x10/0x10 [jbd2] [94733.276214] [<ffffffff83099329>] ? kthread+0xd9/0xf0 [94733.276216] [<ffffffff83099250>] ? kthread_park+0x60/0x60 [94733.276218] [<ffffffff83615df7>] ? ret_from_fork+0x57/0x70 [94733.276242] INFO: task qemu-system-x86:13896 blocked for more than 120 seconds. [94733.276242] Not tainted 4.9.0-8-amd64 #1 Debian 4.9.110-3+deb9u4 [94733.276243] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [94733.276243] qemu-system-x86 D 0 13896 1 0x00000000 [94733.276245] ffff92f6af41b800 0000000000000000 ffff92f5a8b23000 ffff92f6bf058980 [94733.276247] ffff92f6b1c2b100 ffffab4d1add7a90 ffffffff83610ee9 0000000000000001 [94733.276249] 0000000000000001 ffff92f6bf058980 ffffab4d1add7ab0 ffff92f5a8b23000 [94733.276250] Call Trace: [94733.276252] [<ffffffff83610ee9>] ? __schedule+0x239/0x6f0 [94733.276254] [<ffffffff836113d2>] ? schedule+0x32/0x80 [94733.276257] [<ffffffffc039f086>] ? wait_transaction_locked+0x86/0xc0 [jbd2] [94733.276258] [<ffffffff830bbfb0>] ? prepare_to_wait_event+0xf0/0xf0 [94733.276261] [<ffffffffc039f2a8>] ? add_transaction_credits+0x1b8/0x290 [jbd2] [94733.276264] [<ffffffff8318a1ee>] ? get_page_from_freelist+0x88e/0xb20 [94733.276266] [<ffffffffc039f4d5>] ? start_this_handle+0x105/0x400 [jbd2] [94733.276269] [<ffffffffc039f9f9>] ? jbd2__journal_start+0xd9/0x1e0 [jbd2] [94733.276293] [<ffffffffc04702dd>] ? ext4_dirty_inode+0x2d/0x60 [ext4] [94733.276295] [<ffffffff832380fb>] ? __mark_inode_dirty+0x16b/0x360 [94733.276298] [<ffffffff83225829>] ? generic_update_time+0x79/0xd0 [94733.276299] [<ffffffff83225a36>] ? current_time+0x36/0x70 [94733.276301] [<ffffffff83225b2f>] ? file_update_time+0xbf/0x110 [94733.276302] [<ffffffff831830f9>] ? __generic_file_write_iter+0x99/0x1b0 [94733.276309] [<ffffffffc0462220>] ? ext4_file_write_iter+0x90/0x370 [ext4] [94733.276311] [<ffffffff830add04>] ? account_entity_dequeue+0xa4/0xc0 [94733.276313] [<ffffffff8320511a>] ? __check_object_size+0xfa/0x1d8 [94733.276314] [<ffffffff83207d6b>] ? do_iter_readv_writev+0xbb/0x140 [94733.276316] [<ffffffff8320928e>] ? do_readv_writev+0x19e/0x240 [94733.276322] [<ffffffffc0462190>] ? ext4_dax_fault+0x140/0x140 [ext4] [94733.276324] [<ffffffff83058880>] ? hpet_interrupt_handler+0x30/0x30 [94733.276326] [<ffffffff832096fd>] ? do_pwritev+0xad/0xc0 [94733.276328] [<ffffffff83003b7d>] ? do_syscall_64+0x8d/0xf0 [94733.276330] [<ffffffff83615c4e>] ? entry_SYSCALL_64_after_swapgs+0x58/0xc6 [94733.276333] INFO: task kworker/u113:1:13607 blocked for more than 120 seconds. [94733.276333] Not tainted 4.9.0-8-amd64 #1 Debian 4.9.110-3+deb9u4 [94733.276334] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [94733.276334] kworker/u113:1 D 0 13607 2 0x00000000 [94733.276338] Workqueue: writeback wb_workfn (flush-253:3) [94733.276339] ffff92e66d7ab000 0000000000000000 ffff92e5a29a1040 ffff92e69f658980 [94733.276341] ffff92e692613040 ffffab4d1b9c78b0 ffffffff83610ee9 0000000000000000 [94733.276342] 0000000000000001 ffff92e69f658980 ffffab4d1b9c78d0 ffff92e5a29a1040 [94733.276344] Call Trace: [94733.276346] [<ffffffff83610ee9>] ? __schedule+0x239/0x6f0 [94733.276348] [<ffffffff836113d2>] ? schedule+0x32/0x80 [94733.276351] [<ffffffffc039f086>] ? wait_transaction_locked+0x86/0xc0 [jbd2] [94733.276352] [<ffffffff830bbfb0>] ? prepare_to_wait_event+0xf0/0xf0 [94733.276355] [<ffffffffc039f2a8>] ? add_transaction_credits+0x1b8/0x290 [jbd2] [94733.276357] [<ffffffffc039f4d5>] ? start_this_handle+0x105/0x400 [jbd2] [94733.276360] [<ffffffff831e6c7c>] ? kmem_cache_alloc+0xbc/0x530 [94733.276363] [<ffffffffc039f9f9>] ? jbd2__journal_start+0xd9/0x1e0 [jbd2] [94733.276370] [<ffffffffc046c39b>] ? ext4_writepages+0x45b/0xd60 [ext4] [94733.276372] [<ffffffff830b4ec1>] ? update_group_capacity+0x21/0x1c0 [94733.276376] [<ffffffff83331c16>] ? cpumask_next_and+0x26/0x40 [94733.276379] [<ffffffff8323832d>] ? __writeback_single_inode+0x3d/0x320 [94733.276380] [<ffffffff83238ad1>] ? writeback_sb_inodes+0x221/0x4f0 [94733.276383] [<ffffffff83238e27>] ? __writeback_inodes_wb+0x87/0xb0 [94733.276384] [<ffffffff8323919e>] ? wb_writeback+0x27e/0x310 [94733.276386] [<ffffffff83224cdc>] ? get_nr_inodes+0x3c/0x60 [94733.276388] [<ffffffff83239b04>] ? wb_workfn+0x2b4/0x380 [94733.276390] [<ffffffff83092fea>] ? process_one_work+0x18a/0x420 [94733.276391] [<ffffffff830932cd>] ? worker_thread+0x4d/0x490 [94733.276392] [<ffffffff83093280>] ? process_one_work+0x420/0x420 [94733.276394] [<ffffffff83099329>] ? kthread+0xd9/0xf0 [94733.276396] [<ffffffff83099250>] ? kthread_park+0x60/0x60 [94733.276397] [<ffffffff83615df7>] ? ret_from_fork+0x57/0x70 [94733.276398] INFO: task qemu-system-x86:13636 blocked for more than 120 seconds. [94733.276399] Not tainted 4.9.0-8-amd64 #1 Debian 4.9.110-3+deb9u4 [94733.276399] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [94733.276400] qemu-system-x86 D 0 13636 1 0x00000000 [94733.276401] ffff92e66d7ab000 0000000000000000 ffff92e5a20f9040 ffff92e69f798980 [94733.276403] ffff92e692633000 ffffab4d1ba37a40 ffffffff83610ee9 ffffffff836113d2 [94733.276404] 00ffab4d1ba37c10 ffff92e69f798980 ffffab4d1ba37a60 ffff92e5a20f9040 [94733.276406] Call Trace: [94733.276408] [<ffffffff83610ee9>] ? __schedule+0x239/0x6f0 [94733.276409] [<ffffffff836113d2>] ? schedule+0x32/0x80 [94733.276411] [<ffffffff836113d2>] ? schedule+0x32/0x80 [94733.276414] [<ffffffffc039f086>] ? wait_transaction_locked+0x86/0xc0 [jbd2] [94733.276415] [<ffffffff830bbfb0>] ? prepare_to_wait_event+0xf0/0xf0 [94733.276418] [<ffffffffc039f2a8>] ? add_transaction_credits+0x1b8/0x290 [jbd2] [94733.276420] [<ffffffffc039f4d5>] ? start_this_handle+0x105/0x400 [jbd2] [94733.276423] [<ffffffffc039f9f9>] ? jbd2__journal_start+0xd9/0x1e0 [jbd2] [94733.276431] [<ffffffffc04702dd>] ? ext4_dirty_inode+0x2d/0x60 [ext4] [94733.276433] [<ffffffff832380fb>] ? __mark_inode_dirty+0x16b/0x360 [94733.276435] [<ffffffff83225829>] ? generic_update_time+0x79/0xd0 [94733.276437] [<ffffffff83225a36>] ? current_time+0x36/0x70 [94733.276438] [<ffffffff83225b2f>] ? file_update_time+0xbf/0x110 [94733.276440] [<ffffffff8321e7c0>] ? poll_select_copy_remaining+0x150/0x150 [94733.276441] [<ffffffff831830f9>] ? __generic_file_write_iter+0x99/0x1b0 [94733.276448] [<ffffffffc0462220>] ? ext4_file_write_iter+0x90/0x370 [ext4] [94733.276450] [<ffffffff83344767>] ? import_iovec+0x37/0xd0 [94733.276453] [<ffffffff8325972b>] ? aio_write+0xfb/0x150 [94733.276455] [<ffffffff8321e7c0>] ? poll_select_copy_remaining+0x150/0x150 [94733.276456] [<ffffffff831e6c7c>] ? kmem_cache_alloc+0xbc/0x530 [94733.276458] [<ffffffff8321e7c0>] ? poll_select_copy_remaining+0x150/0x150 [94733.276460] [<ffffffff832285f1>] ? __fget_light+0x21/0x60 [94733.276462] [<ffffffff8325a759>] ? do_io_submit+0x2b9/0x620 [94733.276464] [<ffffffff83003b7d>] ? do_syscall_64+0x8d/0xf0 [94733.276465] [<ffffffff83615c4e>] ? entry_SYSCALL_64_after_swapgs+0x58/0xc6 This happens randomly after initiating a moderate level of i/o activity and only once after each reboot. The system has 56 active cpu cores. The disk system layout is following: NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 2.7T 0 disk └─sda1 8:1 0 2.7T 0 part └─md127 9:127 0 10.9T 0 raid6 └─cryptroot 253:0 0 10.9T 0 crypt ├─cryptroot-part1 253:1 0 65G 0 part [SWAP] ├─cryptroot-part2 253:2 0 100G 0 part / ├─cryptroot-part3 253:3 0 9T 0 part /mnt/main_storage └─cryptroot-part4 253:4 0 1.8T 0 part sdb 8:16 0 2.7T 0 disk └─sdb1 8:17 0 2.7T 0 part └─md127 9:127 0 10.9T 0 raid6 └─cryptroot 253:0 0 10.9T 0 crypt ├─cryptroot-part1 253:1 0 65G 0 part [SWAP] ├─cryptroot-part2 253:2 0 100G 0 part / ├─cryptroot-part3 253:3 0 9T 0 part /mnt/main_storage └─cryptroot-part4 253:4 0 1.8T 0 part sdc 8:32 0 2.7T 0 disk └─sdc1 8:33 0 2.7T 0 part └─md127 9:127 0 10.9T 0 raid6 └─cryptroot 253:0 0 10.9T 0 crypt ├─cryptroot-part1 253:1 0 65G 0 part [SWAP] ├─cryptroot-part2 253:2 0 100G 0 part / ├─cryptroot-part3 253:3 0 9T 0 part /mnt/main_storage └─cryptroot-part4 253:4 0 1.8T 0 part sdd 8:48 0 2.7T 0 disk └─sdd1 8:49 0 2.7T 0 part └─md127 9:127 0 10.9T 0 raid6 └─cryptroot 253:0 0 10.9T 0 crypt ├─cryptroot-part1 253:1 0 65G 0 part [SWAP] ├─cryptroot-part2 253:2 0 100G 0 part / ├─cryptroot-part3 253:3 0 9T 0 part /mnt/main_storage └─cryptroot-part4 253:4 0 1.8T 0 part sde 8:64 0 2.7T 0 disk └─sde1 8:65 0 2.7T 0 part └─md127 9:127 0 10.9T 0 raid6 └─cryptroot 253:0 0 10.9T 0 crypt ├─cryptroot-part1 253:1 0 65G 0 part [SWAP] ├─cryptroot-part2 253:2 0 100G 0 part / ├─cryptroot-part3 253:3 0 9T 0 part /mnt/main_storage └─cryptroot-part4 253:4 0 1.8T 0 part sdf 8:80 0 2.7T 0 disk └─sdf1 8:81 0 2.7T 0 part └─md127 9:127 0 10.9T 0 raid6 └─cryptroot 253:0 0 10.9T 0 crypt ├─cryptroot-part1 253:1 0 65G 0 part [SWAP] ├─cryptroot-part2 253:2 0 100G 0 part / ├─cryptroot-part3 253:3 0 9T 0 part /mnt/main_storage └─cryptroot-part4 253:4 0 1.8T 0 part sdg 8:96 1 14.5G 0 disk ├─sdg1 8:97 1 244.9M 0 part /boot ├─sdg2 8:98 1 1G 0 part └─sdg3 8:99 1 13.2G 0 part
--- End Message ---
--- Begin Message ---Hi This bug was filed for a very old kernel or the bug is old itself without resolution. If you can reproduce it with - the current version in unstable/testing - the latest kernel from backports please reopen the bug, see https://www.debian.org/Bugs/server-control for details. Regards, Salvatore
--- End Message ---
