[Bug 1614887] Re: Lage samba file transfers block btrfs to hung task
[ 3988.561634] INFO: task pool:2945 blocked for more than 120 seconds. [ 3988.561642] Not tainted 4.9.0-040900rc7-generic #201611271731 [ 3988.561643] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 3988.561646] poolD0 2945 2409 0x [ 3988.561651] a05cf068a000 a05cb4ac4800 a05ca6851a80 a05cffc19340 [ 3988.561654] a05ca6856a00 c14cc3843ad8 b4488453 0286 [ 3988.561657] 0038 a05cffc19340 a05cd7db6140 a05ca6851a80 [ 3988.561660] Call Trace: [ 3988.561670] [] ? __schedule+0x233/0x6e0 [ 3988.561673] [] ? bit_wait+0x60/0x60 [ 3988.561675] [] schedule+0x36/0x80 [ 3988.561677] [] schedule_timeout+0x22a/0x3f0 [ 3988.561781] [] ? ulist_add+0x13/0x20 [btrfs] [ 3988.561785] [] ? kvm_clock_get_cycles+0x1e/0x20 [ 3988.561788] [] ? ktime_get+0x41/0xb0 [ 3988.561789] [] ? bit_wait+0x60/0x60 [ 3988.561790] [] io_schedule_timeout+0xa4/0x110 [ 3988.561791] [] bit_wait_io+0x1b/0x60 [ 3988.561793] [] __wait_on_bit+0x58/0x90 [ 3988.561796] [] wait_on_page_bit+0x82/0xa0 [ 3988.561798] [] ? autoremove_wake_function+0x40/0x40 [ 3988.561812] [] prepare_pages+0x19f/0x240 [btrfs] [ 3988.561826] [] __btrfs_buffered_write+0x1f9/0x710 [btrfs] [ 3988.561840] [] btrfs_file_write_iter+0x170/0x4d0 [btrfs] [ 3988.561843] [] __vfs_write+0xe5/0x160 [ 3988.561844] [] vfs_write+0xb5/0x1a0 [ 3988.561845] [] SyS_write+0x55/0xc0 [ 3988.561847] [] entry_SYSCALL_64_fastpath+0x1e/0xad -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1614887 Title: Lage samba file transfers block btrfs to hung task To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1614887/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1614887] Re: Lage samba file transfers block btrfs to hung task
[43142.047947] INFO: task btrfs-cleaner:238 blocked for more than 120 seconds. [43142.047962] Not tainted 4.8.0-28-generic #30-Ubuntu [43142.047963] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [43142.047965] btrfs-cleaner D 945e6e52bd00 0 238 2 0x [43142.047989] 945e6e52bd00 00ff945e6e52bcd8 ad80d540 945e6fc7 [43142.047991] 0046 945e6e52c000 945e6ff7b9f0 945e6ff7b800 [43142.047993] 945e6ff7b9f0 0001 945e6e52bd18 ad295845 [43142.047995] Call Trace: [43142.048026] [] schedule+0x35/0x80 [43142.048157] [] wait_current_trans.isra.21+0xd3/0x120 [btrfs] [43142.048174] [] ? wake_atomic_t_function+0x60/0x60 [43142.048187] [] start_transaction+0x2c1/0x4a0 [btrfs] [43142.048200] [] btrfs_start_transaction+0x18/0x20 [btrfs] [43142.048211] [] btrfs_drop_snapshot+0x7f/0x850 [btrfs] [43142.048213] [] ? __schedule+0x308/0x770 [43142.048226] [] btrfs_clean_one_deleted_snapshot+0xb4/0x100 [btrfs] [43142.048240] [] cleaner_kthread+0x15d/0x1c0 [btrfs] [43142.048259] [] ? btrfs_destroy_pinned_extent+0x130/0x130 [btrfs] [43142.048262] [] kthread+0xd8/0xf0 [43142.048268] [] ret_from_fork+0x1f/0x40 [43142.048270] [] ? kthread_create_on_node+0x1e0/0x1e0 [43142.048295] INFO: task smbd:9182 blocked for more than 120 seconds. [43142.048297] Not tainted 4.8.0-28-generic #30-Ubuntu [43142.048298] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [43142.048299] smbdD 945e06f4fd18 0 9182 1302 0x [43142.048301] 945e06f4fd18 00ff945e77494000 945deac0a700 945e72400d00 [43142.048303] 945e6e534f88 945e06f5 945e777bb1f0 945e777bb000 [43142.048305] 945e777bb1f0 0001 945e06f4fd30 ad295845 [43142.048307] Call Trace: [43142.048308] [] schedule+0x35/0x80 [43142.048322] [] wait_current_trans.isra.21+0xd3/0x120 [btrfs] [43142.048323] [] ? wake_atomic_t_function+0x60/0x60 [43142.048336] [] start_transaction+0x2c1/0x4a0 [btrfs] [43142.048349] [] btrfs_start_transaction+0x18/0x20 [btrfs] [43142.048362] [] btrfs_setattr+0x1e7/0x360 [btrfs] [43142.048371] [] notify_change+0x30c/0x480 [43142.048377] [] do_truncate+0x73/0xc0 [43142.048379] [] do_sys_ftruncate.constprop.13+0x119/0x180 [43142.048380] [] SyS_ftruncate+0xe/0x10 [43142.048382] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [43142.048386] INFO: task smbd:9795 blocked for more than 120 seconds. [43142.048388] Not tainted 4.8.0-28-generic #30-Ubuntu [43142.048389] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [43142.048390] smbdD 945d630dbc78 0 9795 1302 0x [43142.048392] 945d630dbc78 00ff945e77494000 945e6fc76800 945deac0a700 [43142.048394] 945e6e5ae2c8 945d630dc000 945e705549f0 945e70554800 [43142.048396] 945e705549f0 0001 945d630dbc90 ad295845 [43142.048398] Call Trace: [43142.048399] [] schedule+0x35/0x80 [43142.048412] [] wait_current_trans.isra.21+0xd3/0x120 [btrfs] [43142.048413] [] ? wake_atomic_t_function+0x60/0x60 [43142.048426] [] start_transaction+0x2c1/0x4a0 [btrfs] [43142.048439] [] btrfs_start_transaction+0x18/0x20 [btrfs] [43142.048455] [] btrfs_mknod+0x4d/0x200 [btrfs] [43142.048459] [] vfs_mknod+0x14b/0x1e0 [43142.048465] [] unix_bind+0x31a/0x3a0 [43142.048479] [] SYSC_bind+0xd2/0x110 [43142.048481] [] ? SyS_fcntl+0x3e6/0x4e0 [43142.048489] [] SyS_bind+0xe/0x10 [43142.048491] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [43142.048493] INFO: task smbd:9796 blocked for more than 120 seconds. [43142.048508] Not tainted 4.8.0-28-generic #30-Ubuntu [43142.048510] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [43142.048511] smbdD 945d6275fd88 0 9796 1302 0x [43142.048513] 945d6275fd88 945e78230d00 945deac0c100 [43142.048515] 945d6275fd80 945d6276 945e6e2939d8 945e6e2939f0 [43142.048517] 945e6e2939e0 945e6e2939d8 945d6275fda0 ad295845 [43142.048519] Call Trace: [43142.048521] [] schedule+0x35/0x80 [43142.048522] [] rwsem_down_write_failed+0x20e/0x3c0 [43142.048529] [] call_rwsem_down_write_failed+0x17/0x30 [43142.048531] [] down_write+0x2d/0x40 [43142.048532] [] do_unlinkat+0x1aa/0x310 [43142.048533] [] ? __sb_end_write+0x21/0x30 [43142.048534] [] SyS_unlink+0x16/0x20 [43142.048536] [] entry_SYSCALL_64_fastpath+0x1e/0xa8 [43262.872945] INFO: task btrfs-cleaner:238 blocked for more than 120 seconds. [43262.872951] Not tainted 4.8.0-28-generic #30-Ubuntu [43262.872953] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [43262.872954] btrfs-cleaner D 945e6e52bd00 0 238 2 0x [43262.872961] 945e6e52bd00 00ff945e6e52bcd8 ad80d540 945e6fc7 [43262.872964] 00
[Bug 1614887] Re: Lage samba file transfers block btrfs to hung task
still valid in yakkety and 4.8.0-27 [ 726.382817] INFO: task kworker/u4:7:1659 blocked for more than 120 seconds. [ 726.382819] Not tainted 4.8.0-27-generic #29-Ubuntu [ 726.382820] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 726.382820] kworker/u4:7D 98c792b57c48 0 1659 2 0x [ 726.382836] Workqueue: btrfs-endio-write btrfs_endio_write_helper [btrfs] [ 726.382838] 98c792b57c48 98c7b8231a00 98c7b3cf5b00 [ 726.382839] 10080008 98c792b58000 98c7ae1649f0 98c7ae164800 [ 726.382841] 98c7ae1649f0 0001 98c792b57c60 8b89a855 [ 726.382843] Call Trace: [ 726.382845] [] schedule+0x35/0x80 [ 726.382858] [] wait_current_trans.isra.21+0xd3/0x120 [btrfs] [ 726.382859] [] ? wake_atomic_t_function+0x60/0x60 [ 726.382872] [] start_transaction+0x272/0x4a0 [btrfs] [ 726.382885] [] btrfs_join_transaction+0x17/0x20 [btrfs] [ 726.382899] [] btrfs_finish_ordered_io+0x499/0x6c0 [btrfs] [ 726.382912] [] finish_ordered_fn+0x15/0x20 [btrfs] [ 726.382926] [] btrfs_scrubparity_helper+0xc8/0x2d0 [btrfs] [ 726.382941] [] btrfs_endio_write_helper+0xe/0x10 [btrfs] [ 726.382942] [] process_one_work+0x1fc/0x4b0 [ 726.382944] [] worker_thread+0x4b/0x500 [ 726.382945] [] ? process_one_work+0x4b0/0x4b0 [ 726.382946] [] ? process_one_work+0x4b0/0x4b0 [ 726.382948] [] kthread+0xd8/0xf0 [ 726.382949] [] ret_from_fork+0x1f/0x40 [ 726.382951] [] ? kthread_create_on_node+0x1e0/0x1e0 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1614887 Title: Lage samba file transfers block btrfs to hung task To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1614887/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1614887] Re: Lage samba file transfers block btrfs to hung task
this bug exsits since ubuntu moved to Samba 4.3. with 4.2 everything worked gerat currently used: Version 4.3.11-Ubuntu ** Changed in: linux (Ubuntu) Status: Expired => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1614887 Title: Lage samba file transfers block btrfs to hung task To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1614887/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1614887] Re: Lage samba file transfers block btrfs to hung task
still not fixed INFO: task smbd:7543 blocked for more than 120 seconds. [39600.198893] Not tainted 4.4.0-46-generic #67-Ubuntu [39600.198894] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [39600.198896] smbdD 88000970be18 0 7543 1346 0x [39600.198902] 88000970be18 00020010 81e11500 8801539c5780 [39600.198904] 88000970c000 8800ba7eb524 8801539c5780 [39600.198906] 8800ba7eb528 88000970be30 81830795 8800ba7eb520 [39600.198908] Call Trace: [39600.198942] [] schedule+0x35/0x80 [39600.198944] [] schedule_preempt_disabled+0xe/0x10 [39600.198946] [] __mutex_lock_slowpath+0xb9/0x130 [39600.198948] [] mutex_lock+0x1f/0x30 [39600.198967] [] do_unlinkat+0x12b/0x2d0 [39600.198969] [] SyS_unlink+0x16/0x20 [39600.198974] [] entry_SYSCALL_64_fastpath+0x16/0x71 [39720.198606] INFO: task btrfs-cleaner:212 blocked for more than 120 seconds. [39720.198614] Not tainted 4.4.0-46-generic #67-Ubuntu [39720.198616] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [39720.198619] btrfs-cleaner D 8801539bfce8 0 212 2 0x [39720.198625] 8801539bfce8 8801bfd16d00 8801b8228000 8801539c [39720.198629] 8801539c 8800a7ed11f0 8800a7ed1000 8800a7ed11f0 [39720.198632] 0001 8801539bfd00 81830795 8801b797ef30 [39720.198636] Call Trace: [39720.198647] [] schedule+0x35/0x80 [39720.198783] [] wait_current_trans.isra.21+0xd3/0x120 [btrfs] [39720.198802] [] ? wake_atomic_t_function+0x60/0x60 [39720.198815] [] start_transaction+0x2c5/0x4b0 [btrfs] [39720.198828] [] btrfs_start_transaction+0x18/0x20 [btrfs] [39720.198839] [] btrfs_drop_snapshot+0x7f/0x830 [btrfs] [39720.198841] [] ? __schedule+0x3b6/0xa30 [39720.198854] [] btrfs_clean_one_deleted_snapshot+0xb2/0x100 [btrfs] [39720.198866] [] cleaner_kthread+0xcf/0x220 [btrfs] [39720.198878] [] ? check_leaf+0x360/0x360 [btrfs] [39720.198914] [] kthread+0xd8/0xf0 [39720.198917] [] ? kthread_create_on_node+0x1e0/0x1e0 [39720.198919] [] ret_from_fork+0x3f/0x70 [39720.198921] [] ? kthread_create_on_node+0x1e0/0x1e0 [39720.198938] INFO: task nmbd:1308 blocked for more than 120 seconds. [39720.198940] Not tainted 4.4.0-46-generic #67-Ubuntu [39720.198941] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [39720.198942] nmbdD 8801b6277ac8 0 1308 1 0x [39720.198945] 8801b6277ac8 0286 8801539c0c80 8801b4a52580 [39720.198947] 8801b6278000 8801bfd16d00 7fff 81830f90 [39720.198949] 8801b6277c20 8801b6277ae0 81830795 [39720.198951] Call Trace: [39720.198953] [] ? bit_wait+0x60/0x60 [39720.198954] [] schedule+0x35/0x80 [39720.198956] [] schedule_timeout+0x1b5/0x270 [39720.198963] [] ? sched_clock+0x9/0x10 [39720.198971] [] ? kvm_clock_get_cycles+0x1e/0x20 [39720.198983] [] ? ktime_get+0x3c/0xb0 [39720.198985] [] ? bit_wait+0x60/0x60 [39720.198986] [] io_schedule_timeout+0xa4/0x110 [39720.198988] [] bit_wait_io+0x1b/0x70 [39720.198990] [] __wait_on_bit+0x5d/0x90 [39720.199000] [] wait_on_page_bit+0xcb/0xf0 [39720.199003] [] ? autoremove_wake_function+0x40/0x40 [39720.199016] [] prepare_pages+0x17d/0x190 [btrfs] [39720.199030] [] __btrfs_buffered_write+0x200/0x5f0 [btrfs] [39720.199044] [] btrfs_file_write_iter+0x171/0x560 [btrfs] [39720.199051] [] ? kmem_cache_alloc+0x187/0x1f0 [39720.199055] [] ? getname_flags+0x56/0x1f0 [39720.199058] [] new_sync_write+0x9b/0xe0 [39720.199060] [] __vfs_write+0x26/0x40 [39720.199065] [] vfs_write+0xa9/0x1a0 [39720.199067] [] SyS_write+0x55/0xc0 [39720.199069] [] entry_SYSCALL_64_fastpath+0x16/0x71 [39720.199075] INFO: task kworker/u4:0:6969 blocked for more than 120 seconds. [39720.199076] Not tainted 4.4.0-46-generic #67-Ubuntu [39720.199077] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [39720.199078] kworker/u4:0D 880028903c48 0 6969 2 0x [39720.199106] Workqueue: btrfs-endio-write btrfs_endio_write_helper [btrfs] [39720.199108] 880028903c48 0001801a001a 8801b7708000 8801b7c98000 [39720.199110] 880028904000 8800a7ed59f0 8800a7ed5800 8800a7ed59f0 [39720.199112] 0001 880028903c60 81830795 8801b797ef30 [39720.199114] Call Trace: [39720.199116] [] schedule+0x35/0x80 [39720.199129] [] wait_current_trans.isra.21+0xd3/0x120 [btrfs] [39720.199131] [] ? wake_atomic_t_function+0x60/0x60 [39720.199144] [] start_transaction+0x275/0x4b0 [btrfs] [39720.199158] [] btrfs_join_transaction+0x17/0x20 [btrfs] [39720.199172] [] btrfs_finish_ordered_io+0x435/0x650 [btrfs] [39720.199196] [] ? find_next_bit+0x15/0x20 [39720.199211] [] finish_ordered_fn+0x15/0x20 [btrfs] [39720.199227] [] btrfs_scrubp
[Bug 1614887] Re: Lage samba file transfers block btrfs to hung task
[Expired for linux (Ubuntu) because there has been no activity for 60 days.] ** Changed in: linux (Ubuntu) Status: Incomplete => Expired -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1614887 Title: Lage samba file transfers block btrfs to hung task To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1614887/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1614887] Re: Lage samba file transfers block btrfs to hung task
Also, does the bug go away if you boot back into prior kernel versions? ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1614887 Title: Lage samba file transfers block btrfs to hung task To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1614887/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1614887] Re: Lage samba file transfers block btrfs to hung task
Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.8 kernel[0]. If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.8-rc3 ** Tags added: kernel-da-key needs-bisect -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1614887 Title: Lage samba file transfers block btrfs to hung task To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1614887/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1614887] Re: Lage samba file transfers block btrfs to hung task
i also confirmed this bug with the latest v4.7.1 mainline build from the ubuntu ppa -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1614887 Title: Lage samba file transfers block btrfs to hung task To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1614887/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
