From: Eric Wheeler <bcache@lists.ewheeler.net>
To: Konstantin Shalygin <k0ste@k0ste.ru>
Cc: linux-bcache@vger.kernel.org
Subject: Re: lock, Workqueue: bcache bch_data_insert_keys [bcache]
Date: Fri, 7 Jul 2017 17:16:03 +0000 (UTC) [thread overview]
Message-ID: <alpine.LRH.2.11.1707071710550.17052@mail.ewheeler.net> (raw)
In-Reply-To: <4e51563b-bb3d-efcc-0f84-76572c87c352@k0ste.ru>
[-- Attachment #1: Type: TEXT/PLAIN, Size: 17020 bytes --]
On Fri, 7 Jul 2017, Konstantin Shalygin wrote:
> Hello. I caught lock (only hard reset helped to reboot kernel), when I started
> "every week rsync backup" of my laptop '/home'. After reboot I started the
> same task and this don't get any issues.
Hi Konstantin,
Try this patch:
https://www.spinics.net/lists/stable/msg178933.html
--
Eric Wheeler
>
> I run bcache over md raid5.
>
> [k0ste@home ~]$ lsblk
> NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
> sda 8:0 0 5.5T 0 disk
> └─md0 9:0 0 15T 0 raid5
> └─bcache0 254:0 0 15T 0 disk /srv/raid
> sdb 8:16 0 5.5T 0 disk
> └─md0 9:0 0 15T 0 raid5
> └─bcache0 254:0 0 15T 0 disk /srv/raid
> sdc 8:32 0 5.5T 0 disk
> └─md0 9:0 0 15T 0 raid5
> └─bcache0 254:0 0 15T 0 disk /srv/raid
> sdd 8:48 1 14.3G 0 disk
> └─sdd1 8:49 1 14.3G 0 part /boot
> sde 8:64 0 5.5T 0 disk
> └─md0 9:0 0 15T 0 raid5
> └─bcache0 254:0 0 15T 0 disk /srv/raid
> sdf 8:80 0 119.2G 0 disk
> └─sdf1 8:81 0 119.2G 0 part /
> nvme0n1 259:0 0 119.2G 0 disk
> └─bcache0 254:0 0 15T 0 disk /srv/raid
>
> dmesg:
>
>
> > Jul 07 19:59:59 home kernel: INFO: task bcache:86 blocked for more than 120
> > seconds.
> > Jul 07 19:59:59 home kernel: Tainted: G O 4.11.7-1-ARCH #1
> > Jul 07 19:59:59 home kernel: "echo 0 >
> > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> > Jul 07 19:59:59 home kernel: bcache D 0 86 2 0x00000000
> > Jul 07 19:59:59 home kernel: Workqueue: bcache bch_data_insert_keys [bcache]
> > Jul 07 19:59:59 home kernel: Call Trace:
> > Jul 07 19:59:59 home kernel: __schedule+0x22e/0x8e0
> > Jul 07 19:59:59 home kernel: schedule+0x3d/0x90
> > Jul 07 19:59:59 home kernel: closure_sync+0x23/0x90 [bcache]
> > Jul 07 19:59:59 home kernel: bch_journal+0x115/0x3a0 [bcache]
> > Jul 07 19:59:59 home kernel: bch_data_insert_keys+0x95/0x130 [bcache]
> > Jul 07 19:59:59 home kernel: process_one_work+0x1e0/0x490
> > Jul 07 19:59:59 home kernel: rescuer_thread+0x20c/0x390
> > Jul 07 19:59:59 home kernel: kthread+0x125/0x140
> > Jul 07 19:59:59 home kernel: ? cancel_delayed_work_sync+0x20/0x20
> > Jul 07 19:59:59 home kernel: ? kthread_create_on_node+0x70/0x70
> > Jul 07 19:59:59 home kernel: ret_from_fork+0x2c/0x40
> > Jul 07 19:59:59 home kernel: INFO: task xfsaild/bcache0:5174 blocked for
> > more than 120 seconds.
> > Jul 07 19:59:59 home kernel: Tainted: G O 4.11.7-1-ARCH #1
> > Jul 07 19:59:59 home kernel: "echo 0 >
> > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> > Jul 07 19:59:59 home kernel: xfsaild/bcache0 D 0 5174 2 0x00000000
> > Jul 07 19:59:59 home kernel: Call Trace:
> > Jul 07 19:59:59 home kernel: __schedule+0x22e/0x8e0
> > Jul 07 19:59:59 home kernel: schedule+0x3d/0x90
> > Jul 07 19:59:59 home kernel: schedule_timeout+0x224/0x3c0
> > Jul 07 19:59:59 home kernel: ? check_preempt_curr+0x27/0x80
> > Jul 07 19:59:59 home kernel: ? ttwu_do_wakeup.isra.16+0x1e/0x170
> > Jul 07 19:59:59 home kernel: wait_for_common+0xb9/0x180
> > Jul 07 19:59:59 home kernel: ? wait_for_common+0xb9/0x180
> > Jul 07 19:59:59 home kernel: ? wake_up_q+0x80/0x80
> > Jul 07 19:59:59 home kernel: wait_for_completion+0x1d/0x20
> > Jul 07 19:59:59 home kernel: flush_work+0x13b/0x1c0
> > Jul 07 19:59:59 home kernel: ? flush_workqueue_prep_pwqs+0x190/0x190
> > Jul 07 19:59:59 home kernel: xlog_cil_force_lsn+0x7c/0x200 [xfs]
> > Jul 07 19:59:59 home kernel: ? try_to_del_timer_sync+0x53/0x80
> > Jul 07 19:59:59 home kernel: _xfs_log_force+0x85/0x290 [xfs]
> > Jul 07 19:59:59 home kernel: ? del_timer_sync+0x50/0x50
> > Jul 07 19:59:59 home kernel: ? xfsaild+0x16a/0x7c0 [xfs]
> > Jul 07 19:59:59 home kernel: xfs_log_force+0x2c/0x90 [xfs]
> > Jul 07 19:59:59 home kernel: xfsaild+0x16a/0x7c0 [xfs]
> > Jul 07 19:59:59 home kernel: kthread+0x125/0x140
> > Jul 07 19:59:59 home kernel: ? kthread+0x125/0x140
> > Jul 07 19:59:59 home kernel: ? xfs_trans_ail_cursor_first+0x90/0x90 [xfs]
> > Jul 07 19:59:59 home kernel: ? kthread_create_on_node+0x70/0x70
> > Jul 07 19:59:59 home kernel: ret_from_fork+0x2c/0x40
> > Jul 07 19:59:59 home kernel: INFO: task kworker/0:1:84671 blocked for more
> > than 120 seconds.
> > Jul 07 19:59:59 home kernel: Tainted: G O 4.11.7-1-ARCH #1
> > Jul 07 19:59:59 home kernel: "echo 0 >
> > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> > Jul 07 19:59:59 home kernel: kworker/0:1 D 0 84671 2 0x00000000
> > Jul 07 19:59:59 home kernel: Workqueue: bcache bch_data_insert_keys [bcache]
> > Jul 07 19:59:59 home kernel: Call Trace:
> > Jul 07 19:59:59 home kernel: __schedule+0x22e/0x8e0
> > Jul 07 19:59:59 home kernel: schedule+0x3d/0x90
> > Jul 07 19:59:59 home kernel: closure_sync+0x23/0x90 [bcache]
> > Jul 07 19:59:59 home kernel: bch_journal+0x115/0x3a0 [bcache]
> > Jul 07 19:59:59 home kernel: bch_data_insert_keys+0x95/0x130 [bcache]
> > Jul 07 19:59:59 home kernel: process_one_work+0x1e0/0x490
> > Jul 07 19:59:59 home kernel: worker_thread+0x48/0x4e0
> > Jul 07 19:59:59 home kernel: kthread+0x125/0x140
> > Jul 07 19:59:59 home kernel: ? process_one_work+0x490/0x490
> > Jul 07 19:59:59 home kernel: ? kthread_create_on_node+0x70/0x70
> > Jul 07 19:59:59 home kernel: ret_from_fork+0x2c/0x40
> > Jul 07 19:59:59 home kernel: INFO: task kworker/0:3:84673 blocked for more
> > than 120 seconds.
> > Jul 07 19:59:59 home kernel: Tainted: G O 4.11.7-1-ARCH #1
> > Jul 07 19:59:59 home kernel: "echo 0 >
> > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> > Jul 07 19:59:59 home kernel: kworker/0:3 D 0 84673 2 0x00000000
> > Jul 07 19:59:59 home kernel: Workqueue: bcache bch_data_insert_keys [bcache]
> > Jul 07 19:59:59 home kernel: Call Trace:
> > Jul 07 19:59:59 home kernel: __schedule+0x22e/0x8e0
> > Jul 07 19:59:59 home kernel: schedule+0x3d/0x90
> > Jul 07 19:59:59 home kernel: closure_sync+0x23/0x90 [bcache]
> > Jul 07 19:59:59 home kernel: bch_journal+0x115/0x3a0 [bcache]
> > Jul 07 19:59:59 home kernel: bch_data_insert_keys+0x95/0x130 [bcache]
> > Jul 07 19:59:59 home kernel: process_one_work+0x1e0/0x490
> > Jul 07 19:59:59 home kernel: worker_thread+0x48/0x4e0
> > Jul 07 19:59:59 home kernel: kthread+0x125/0x140
> > Jul 07 19:59:59 home kernel: ? process_one_work+0x490/0x490
> > Jul 07 19:59:59 home kernel: ? kthread_create_on_node+0x70/0x70
> > Jul 07 19:59:59 home kernel: ret_from_fork+0x2c/0x40
> > Jul 07 19:59:59 home kernel: INFO: task kworker/2:2:87164 blocked for more
> > than 120 seconds.
> > Jul 07 19:59:59 home kernel: Tainted: G O 4.11.7-1-ARCH #1
> > Jul 07 19:59:59 home kernel: "echo 0 >
> > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> > Jul 07 19:59:59 home kernel: kworker/2:2 D 0 87164 2 0x00000000
> > Jul 07 19:59:59 home kernel: Workqueue: xfs-sync/bcache0 xfs_log_worker
> > [xfs]
> > Jul 07 19:59:59 home kernel: Call Trace:
> > Jul 07 19:59:59 home kernel: __schedule+0x22e/0x8e0
> > Jul 07 19:59:59 home kernel: ? find_next_bit+0xb/0x10
> > Jul 07 19:59:59 home kernel: schedule+0x3d/0x90
> > Jul 07 19:59:59 home kernel: schedule_timeout+0x224/0x3c0
> > Jul 07 19:59:59 home kernel: wait_for_common+0xb9/0x180
> > Jul 07 19:59:59 home kernel: ? wait_for_common+0xb9/0x180
> > Jul 07 19:59:59 home kernel: ? wake_up_q+0x80/0x80
> > Jul 07 19:59:59 home kernel: wait_for_completion+0x1d/0x20
> > Jul 07 19:59:59 home kernel: flush_work+0x13b/0x1c0
> > Jul 07 19:59:59 home kernel: ? flush_workqueue_prep_pwqs+0x190/0x190
> > Jul 07 19:59:59 home kernel: xlog_cil_force_lsn+0x7c/0x200 [xfs]
> > Jul 07 19:59:59 home kernel: ? find_next_bit+0xb/0x10
> > Jul 07 19:59:59 home kernel: _xfs_log_force+0x85/0x290 [xfs]
> > Jul 07 19:59:59 home kernel: ? __switch_to+0x270/0x490
> > Jul 07 19:59:59 home kernel: ? xfs_log_worker+0x34/0x100 [xfs]
> > Jul 07 19:59:59 home kernel: xfs_log_force+0x2c/0x90 [xfs]
> > Jul 07 19:59:59 home kernel: xfs_log_worker+0x34/0x100 [xfs]
> > Jul 07 19:59:59 home kernel: process_one_work+0x1e0/0x490
> > Jul 07 19:59:59 home kernel: worker_thread+0x48/0x4e0
> > Jul 07 19:59:59 home kernel: kthread+0x125/0x140
> > Jul 07 19:59:59 home kernel: ? process_one_work+0x490/0x490
> > Jul 07 19:59:59 home kernel: ? kthread_create_on_node+0x70/0x70
> > Jul 07 19:59:59 home kernel: ret_from_fork+0x2c/0x40
> > Jul 07 19:59:59 home kernel: INFO: task kworker/1:28:89441 blocked for more
> > than 120 seconds.
> > Jul 07 19:59:59 home kernel: Tainted: G O 4.11.7-1-ARCH #1
> > Jul 07 19:59:59 home kernel: "echo 0 >
> > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> > Jul 07 19:59:59 home kernel: kworker/1:28 D 0 89441 2 0x00000000
> > Jul 07 19:59:59 home kernel: Workqueue: xfs-cil/bcache0 xlog_cil_push_work
> > [xfs]
> > Jul 07 19:59:59 home kernel: Call Trace:
> > Jul 07 19:59:59 home kernel: __schedule+0x22e/0x8e0
> > Jul 07 19:59:59 home kernel: schedule+0x3d/0x90
> > Jul 07 19:59:59 home kernel: xlog_state_get_iclog_space+0xf8/0x2d0 [xfs]
> > Jul 07 19:59:59 home kernel: ? wake_up_q+0x80/0x80
> > Jul 07 19:59:59 home kernel: xlog_write+0x166/0x640 [xfs]
> > Jul 07 19:59:59 home kernel: xlog_cil_push+0x2a1/0x490 [xfs]
> > Jul 07 19:59:59 home kernel: ? put_prev_entity+0x40/0xc10
> > Jul 07 19:59:59 home kernel: ? __switch_to+0x270/0x490
> > Jul 07 19:59:59 home kernel: xlog_cil_push_work+0x15/0x20 [xfs]
> > Jul 07 19:59:59 home kernel: process_one_work+0x1e0/0x490
> > Jul 07 19:59:59 home kernel: worker_thread+0x225/0x4e0
> > Jul 07 19:59:59 home kernel: kthread+0x125/0x140
> > Jul 07 19:59:59 home kernel: ? process_one_work+0x490/0x490
> > Jul 07 19:59:59 home kernel: ? kthread_create_on_node+0x70/0x70
> > Jul 07 19:59:59 home kernel: ret_from_fork+0x2c/0x40
> > Jul 07 19:59:59 home kernel: INFO: task kworker/0:0:92924 blocked for more
> > than 120 seconds.
> > Jul 07 19:59:59 home kernel: Tainted: G O 4.11.7-1-ARCH #1
> > Jul 07 19:59:59 home kernel: "echo 0 >
> > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> > Jul 07 19:59:59 home kernel: kworker/0:0 D 0 92924 2 0x00000000
> > Jul 07 19:59:59 home kernel: Workqueue: bcache bch_data_insert_keys [bcache]
> > Jul 07 19:59:59 home kernel: Call Trace:
> > Jul 07 19:59:59 home kernel: __schedule+0x22e/0x8e0
> > Jul 07 19:59:59 home kernel: schedule+0x3d/0x90
> > Jul 07 19:59:59 home kernel: closure_sync+0x23/0x90 [bcache]
> > Jul 07 19:59:59 home kernel: bch_journal+0x115/0x3a0 [bcache]
> > Jul 07 19:59:59 home kernel: bch_data_insert_keys+0x95/0x130 [bcache]
> > Jul 07 19:59:59 home kernel: process_one_work+0x1e0/0x490
> > Jul 07 19:59:59 home kernel: worker_thread+0x48/0x4e0
> > Jul 07 19:59:59 home kernel: kthread+0x125/0x140
> > Jul 07 19:59:59 home kernel: ? process_one_work+0x490/0x490
> > Jul 07 19:59:59 home kernel: ? kthread_create_on_node+0x70/0x70
> > Jul 07 19:59:59 home kernel: ret_from_fork+0x2c/0x40
> > Jul 07 20:02:02 home kernel: INFO: task bcache:86 blocked for more than 120
> > seconds.
> > Jul 07 20:02:02 home kernel: Tainted: G O 4.11.7-1-ARCH #1
> > Jul 07 20:02:02 home kernel: "echo 0 >
> > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> > Jul 07 20:02:02 home kernel: bcache D 0 86 2 0x00000000
> > Jul 07 20:02:02 home kernel: Workqueue: bcache bch_data_insert_keys [bcache]
> > Jul 07 20:02:02 home kernel: Call Trace:
> > Jul 07 20:02:02 home kernel: __schedule+0x22e/0x8e0
> > Jul 07 20:02:02 home kernel: schedule+0x3d/0x90
> > Jul 07 20:02:02 home kernel: closure_sync+0x23/0x90 [bcache]
> > Jul 07 20:02:02 home kernel: bch_journal+0x115/0x3a0 [bcache]
> > Jul 07 20:02:02 home kernel: bch_data_insert_keys+0x95/0x130 [bcache]
> > Jul 07 20:02:02 home kernel: process_one_work+0x1e0/0x490
> > Jul 07 20:02:02 home kernel: rescuer_thread+0x20c/0x390
> > Jul 07 20:02:02 home kernel: kthread+0x125/0x140
> > Jul 07 20:02:02 home kernel: ? cancel_delayed_work_sync+0x20/0x20
> > Jul 07 20:02:02 home kernel: ? kthread_create_on_node+0x70/0x70
> > Jul 07 20:02:02 home kernel: ret_from_fork+0x2c/0x40
> > Jul 07 20:02:02 home kernel: INFO: task systemd-logind:412 blocked for more
> > than 120 seconds.
> > Jul 07 20:02:02 home kernel: Tainted: G O 4.11.7-1-ARCH #1
> > Jul 07 20:02:02 home kernel: "echo 0 >
> > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> > Jul 07 20:02:02 home kernel: systemd-logind D 0 412 1 0x00000100
> > Jul 07 20:02:02 home kernel: Call Trace:
> > Jul 07 20:02:02 home kernel: __schedule+0x22e/0x8e0
> > Jul 07 20:02:02 home kernel: schedule+0x3d/0x90
> > Jul 07 20:02:02 home kernel: rwsem_down_write_failed+0x175/0x250
> > Jul 07 20:02:02 home kernel: ? ida_get_new_above+0x1a7/0x320
> > Jul 07 20:02:02 home kernel: call_rwsem_down_write_failed+0x17/0x30
> > Jul 07 20:02:02 home kernel: ? call_rwsem_down_write_failed+0x17/0x30
> > Jul 07 20:02:02 home kernel: down_write+0x24/0x40
> > Jul 07 20:02:02 home kernel: register_shrinker+0x3e/0x90
> > Jul 07 20:02:02 home kernel: sget_userns+0x409/0x470
> > Jul 07 20:02:02 home kernel: ? get_anon_bdev+0x110/0x110
> > Jul 07 20:02:02 home kernel: ? shmem_remount_fs+0x1c0/0x1c0
> > Jul 07 20:02:02 home kernel: sget+0x5e/0x80
> > Jul 07 20:02:02 home kernel: ? get_anon_bdev+0x110/0x110
> > Jul 07 20:02:02 home kernel: mount_nodev+0x30/0xa0
> > Jul 07 20:02:02 home kernel: shmem_mount+0x18/0x20
> > Jul 07 20:02:02 home kernel: mount_fs+0x32/0x160
> > Jul 07 20:02:02 home kernel: vfs_kern_mount.part.7+0x5d/0x110
> > Jul 07 20:02:02 home kernel: do_mount+0x528/0xc60
> > Jul 07 20:02:02 home kernel: ? _copy_from_user+0x4b/0x80
> > Jul 07 20:02:02 home kernel: SyS_mount+0x5a/0xe0
> > Jul 07 20:02:02 home kernel: do_syscall_64+0x54/0xc0
> > Jul 07 20:02:02 home kernel: entry_SYSCALL64_slow_path+0x25/0x25
> > Jul 07 20:02:02 home kernel: RIP: 0033:0x7f35e30b98da
> > Jul 07 20:02:02 home kernel: RSP: 002b:00007ffc4ed06fb8 EFLAGS: 00000202
> > ORIG_RAX: 00000000000000a5
> > Jul 07 20:02:02 home kernel: RAX: ffffffffffffffda RBX: 0000557b6f476480
> > RCX: 00007f35e30b98da
> > Jul 07 20:02:02 home kernel: RDX: 0000557b6d4f1402 RSI: 0000557b6f478b80
> > RDI: 0000557b6d4f1402
> > Jul 07 20:02:02 home kernel: RBP: 0000000000000000 R08: 0000557b6f478d80
> > R09: 0000000000000040
> > Jul 07 20:02:02 home kernel: R10: 0000000000000006 R11: 0000000000000202
> > R12: 00007ffc4ed07060
> > Jul 07 20:02:02 home kernel: R13: 0000557b6d4f17ff R14: 0000000000000000
> > R15: 0000000000000000
> > Jul 07 20:02:02 home kernel: INFO: task xfsaild/bcache0:5174 blocked for
> > more than 120 seconds.
> > Jul 07 20:02:02 home kernel: Tainted: G O 4.11.7-1-ARCH #1
> > Jul 07 20:02:02 home kernel: "echo 0 >
> > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> > Jul 07 20:02:02 home kernel: xfsaild/bcache0 D 0 5174 2 0x00000000
> > Jul 07 20:02:02 home kernel: Call Trace:
> > Jul 07 20:02:02 home kernel: __schedule+0x22e/0x8e0
> > Jul 07 20:02:02 home kernel: schedule+0x3d/0x90
> > Jul 07 20:02:02 home kernel: schedule_timeout+0x224/0x3c0
> > Jul 07 20:02:02 home kernel: ? check_preempt_curr+0x27/0x80
> > Jul 07 20:02:02 home kernel: ? ttwu_do_wakeup.isra.16+0x1e/0x170
> > Jul 07 20:02:02 home kernel: wait_for_common+0xb9/0x180
> > Jul 07 20:02:02 home kernel: ? wait_for_common+0xb9/0x180
> > Jul 07 20:02:02 home kernel: ? wake_up_q+0x80/0x80
> > Jul 07 20:02:02 home kernel: wait_for_completion+0x1d/0x20
> > Jul 07 20:02:02 home kernel: flush_work+0x13b/0x1c0
> > Jul 07 20:02:02 home kernel: ? flush_workqueue_prep_pwqs+0x190/0x190
> > Jul 07 20:02:02 home kernel: xlog_cil_force_lsn+0x7c/0x200 [xfs]
> > Jul 07 20:02:02 home kernel: ? try_to_del_timer_sync+0x53/0x80
> > Jul 07 20:02:02 home kernel: _xfs_log_force+0x85/0x290 [xfs]
> > Jul 07 20:02:02 home kernel: ? del_timer_sync+0x50/0x50
> > Jul 07 20:02:02 home kernel: ? xfsaild+0x16a/0x7c0 [xfs]
> > Jul 07 20:02:02 home kernel: xfs_log_force+0x2c/0x90 [xfs]
> > Jul 07 20:02:02 home kernel: xfsaild+0x16a/0x7c0 [xfs]
> > Jul 07 20:02:02 home kernel: kthread+0x125/0x140
> > Jul 07 20:02:02 home kernel: ? kthread+0x125/0x140
> > Jul 07 20:02:02 home kernel: ? xfs_trans_ail_cursor_first+0x90/0x90 [xfs]
> > Jul 07 20:02:02 home kernel: ? kthread_create_on_node+0x70/0x70
> > Jul 07 20:02:02 home kernel: ret_from_fork+0x2c/0x40
>
> This is bcache issue?
>
>
> --
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>
>
next prev parent reply other threads:[~2017-07-07 17:16 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-07 15:06 lock, Workqueue: bcache bch_data_insert_keys [bcache] Konstantin Shalygin
2017-07-07 17:16 ` Eric Wheeler [this message]
2017-07-08 11:43 ` Konstantin Shalygin
-- strict thread matches above, loose matches on Subject: below --
2017-08-06 3:40 Konstantin Shalygin
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