https://bugzilla.kernel.org/show_bug.cgi?id=214147 --- Comment #5 from Badalian Slava (slavon.net@xxxxxxxxx) --- WWith turned off ISCSI and NVMEt. only NFS active . ``` [ 2164.273231] perf: interrupt took too long (3197 > 3148), lowering kernel.perf_event_max_sample_rate to 62000 [ 3067.386864] perf: interrupt took too long (4023 > 3996), lowering kernel.perf_event_max_sample_rate to 49000 [ 4508.876951] perf: interrupt took too long (5034 > 5028), lowering kernel.perf_event_max_sample_rate to 39000 [ 7336.586251] perf: interrupt took too long (6305 > 6292), lowering kernel.perf_event_max_sample_rate to 31000 [16343.647108] INFO: task txg_sync:897001 blocked for more than 122 seconds. [16343.657122] Tainted: P O 5.13.12-1.el8.elrepo.x86_64 #1 [16343.667018] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [16343.676854] task:txg_sync state:D stack: 0 pid:897001 ppid: 2 flags:0x00004004 [16343.686665] Call Trace: [16343.696132] __schedule+0x396/0x8a0 [16343.705378] schedule+0x3c/0xa0 [16343.714360] schedule_timeout+0x197/0x2b0 [16343.723125] ? timer_update_keys+0x30/0x30 [16343.731752] io_schedule_timeout+0x19/0x40 [16343.740453] __cv_timedwait_common+0x12b/0x160 [spl] [16343.749335] ? wait_woken+0x80/0x80 [16343.758275] __cv_timedwait_io+0x15/0x20 [spl] [16343.767344] zio_wait+0x129/0x2b0 [zfs] [16343.776599] dsl_pool_sync+0xd0/0x470 [zfs] [16343.785629] ? spa_errlog_sync+0x25c/0x2b0 [zfs] [16343.794490] ? __kmalloc_node+0x181/0x330 [16343.803219] spa_sync_iterate_to_convergence+0xf0/0x250 [zfs] [16343.811995] spa_sync+0x389/0x690 [zfs] [16343.820544] txg_sync_thread+0x270/0x2f0 [zfs] [16343.829106] ? txg_dispatch_callbacks+0x120/0x120 [zfs] [16343.837545] ? __thread_exit+0x20/0x20 [spl] [16343.845678] thread_generic_wrapper+0x6c/0x80 [spl] [16343.853833] kthread+0x118/0x140 [16343.861743] ? set_kthread_struct+0x40/0x40 [16343.869501] ret_from_fork+0x1f/0x30 [16589.391679] INFO: task txg_sync:897001 blocked for more than 122 seconds. [16589.399411] Tainted: P O 5.13.12-1.el8.elrepo.x86_64 #1 [16589.407078] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [16589.414718] task:txg_sync state:D stack: 0 pid:897001 ppid: 2 flags:0x00004004 [16589.422347] Call Trace: [16589.429638] __schedule+0x396/0x8a0 [16589.436751] schedule+0x3c/0xa0 [16589.443608] schedule_timeout+0x197/0x2b0 [16589.450258] ? timer_update_keys+0x30/0x30 [16589.456706] io_schedule_timeout+0x19/0x40 [16589.462926] __cv_timedwait_common+0x12b/0x160 [spl] [16589.469088] ? wait_woken+0x80/0x80 [16589.475108] __cv_timedwait_io+0x15/0x20 [spl] [16589.481039] zio_wait+0x129/0x2b0 [zfs] [16589.486879] dsl_pool_sync+0xd0/0x470 [zfs] [16589.492585] ? spa_errlog_sync+0x25c/0x2b0 [zfs] [16589.498376] ? __kmalloc_node+0x181/0x330 [16589.504065] spa_sync_iterate_to_convergence+0xf0/0x250 [zfs] [16589.510015] spa_sync+0x389/0x690 [zfs] [16589.515917] txg_sync_thread+0x270/0x2f0 [zfs] [16589.521867] ? txg_dispatch_callbacks+0x120/0x120 [zfs] [16589.527853] ? __thread_exit+0x20/0x20 [spl] [16589.533715] thread_generic_wrapper+0x6c/0x80 [spl] [16589.539629] kthread+0x118/0x140 [16589.545490] ? set_kthread_struct+0x40/0x40 [16589.551393] ret_from_fork+0x1f/0x30 [16712.262822] INFO: task txg_sync:897001 blocked for more than 245 seconds. [16712.268937] Tainted: P O 5.13.12-1.el8.elrepo.x86_64 #1 [16712.275093] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [16712.281379] task:txg_sync state:D stack: 0 pid:897001 ppid: 2 flags:0x00004004 [16712.287872] Call Trace: [16712.294197] __schedule+0x396/0x8a0 [16712.300540] schedule+0x3c/0xa0 [16712.306795] schedule_timeout+0x197/0x2b0 [16712.313005] ? timer_update_keys+0x30/0x30 [16712.319211] io_schedule_timeout+0x19/0x40 [16712.325401] __cv_timedwait_common+0x12b/0x160 [spl] [16712.331551] ? wait_woken+0x80/0x80 [16712.337545] __cv_timedwait_io+0x15/0x20 [spl] [16712.343428] zio_wait+0x129/0x2b0 [zfs] [16712.349237] dsl_pool_sync+0xd0/0x470 [zfs] [16712.354918] ? spa_errlog_sync+0x25c/0x2b0 [zfs] [16712.360658] ? __kmalloc_node+0x181/0x330 [16712.366315] spa_sync_iterate_to_convergence+0xf0/0x250 [zfs] [16712.372219] spa_sync+0x389/0x690 [zfs] [16712.378091] txg_sync_thread+0x270/0x2f0 [zfs] [16712.384027] ? txg_dispatch_callbacks+0x120/0x120 [zfs] [16712.389992] ? __thread_exit+0x20/0x20 [spl] [16712.395841] thread_generic_wrapper+0x6c/0x80 [spl] [16712.401736] kthread+0x118/0x140 [16712.407599] ? set_kthread_struct+0x40/0x40 [16712.413528] ret_from_fork+0x1f/0x30 [17080.879563] INFO: task txg_sync:897001 blocked for more than 122 seconds. [17080.885652] Tainted: P O 5.13.12-1.el8.elrepo.x86_64 #1 [17080.891804] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [17080.898104] task:txg_sync state:D stack: 0 pid:897001 ppid: 2 flags:0x00004004 [17080.904598] Call Trace: [17080.910927] __schedule+0x396/0x8a0 [17080.917254] schedule+0x3c/0xa0 [17080.923501] schedule_timeout+0x197/0x2b0 [17080.929722] ? timer_update_keys+0x30/0x30 [17080.935962] io_schedule_timeout+0x19/0x40 [17080.942162] __cv_timedwait_common+0x12b/0x160 [spl] [17080.948331] ? wait_woken+0x80/0x80 [17080.954333] __cv_timedwait_io+0x15/0x20 [spl] [17080.960221] zio_wait+0x129/0x2b0 [zfs] [17080.966039] dsl_pool_sync+0xd0/0x470 [zfs] [17080.971729] ? spa_errlog_sync+0x25c/0x2b0 [zfs] [17080.977490] ? __kmalloc_node+0x181/0x330 [17080.983150] spa_sync_iterate_to_convergence+0xf0/0x250 [zfs] [17080.989056] spa_sync+0x389/0x690 [zfs] [17080.994918] txg_sync_thread+0x270/0x2f0 [zfs] [17081.000838] ? txg_dispatch_callbacks+0x120/0x120 [zfs] [17081.006814] ? __thread_exit+0x20/0x20 [spl] [17081.012668] thread_generic_wrapper+0x6c/0x80 [spl] [17081.018579] kthread+0x118/0x140 [17081.024437] ? set_kthread_struct+0x40/0x40 [17081.030328] ret_from_fork+0x1f/0x30 [17449.496395] INFO: task txg_sync:897001 blocked for more than 122 seconds. [17449.502486] Tainted: P O 5.13.12-1.el8.elrepo.x86_64 #1 [17449.508658] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [17449.514971] task:txg_sync state:D stack: 0 pid:897001 ppid: 2 flags:0x00004004 [17449.521482] Call Trace: [17449.527816] __schedule+0x396/0x8a0 [17449.534139] schedule+0x3c/0xa0 [17449.540394] schedule_timeout+0x197/0x2b0 [17449.546614] ? timer_update_keys+0x30/0x30 [17449.552862] io_schedule_timeout+0x19/0x40 [17449.559082] __cv_timedwait_common+0x12b/0x160 [spl] [17449.565219] ? wait_woken+0x80/0x80 [17449.571213] __cv_timedwait_io+0x15/0x20 [spl] [17449.577088] zio_wait+0x129/0x2b0 [zfs] [17449.582897] dsl_pool_sync+0xd0/0x470 [zfs] [17449.588566] ? spa_errlog_sync+0x25c/0x2b0 [zfs] [17449.594304] ? __kmalloc_node+0x181/0x330 [17449.599966] spa_sync_iterate_to_convergence+0xf0/0x250 [zfs] [17449.605877] spa_sync+0x389/0x690 [zfs] [17449.611760] txg_sync_thread+0x270/0x2f0 [zfs] [17449.617729] ? txg_dispatch_callbacks+0x120/0x120 [zfs] [17449.623713] ? __thread_exit+0x20/0x20 [spl] [17449.629578] thread_generic_wrapper+0x6c/0x80 [spl] [17449.635512] kthread+0x118/0x140 [17449.641394] ? set_kthread_struct+0x40/0x40 [17449.647310] ret_from_fork+0x1f/0x30 [17940.988317] INFO: task txg_sync:897001 blocked for more than 122 seconds. [17940.994463] Tainted: P O 5.13.12-1.el8.elrepo.x86_64 #1 [17941.000626] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [17941.006941] task:txg_sync state:D stack: 0 pid:897001 ppid: 2 flags:0x00004004 [17941.013462] Call Trace: [17941.019812] __schedule+0x396/0x8a0 [17941.026154] schedule+0x3c/0xa0 [17941.032430] schedule_timeout+0x197/0x2b0 [17941.038665] ? timer_update_keys+0x30/0x30 [17941.044893] io_schedule_timeout+0x19/0x40 [17941.051104] __cv_timedwait_common+0x12b/0x160 [spl] [17941.057261] ? wait_woken+0x80/0x80 [17941.063275] __cv_timedwait_io+0x15/0x20 [spl] [17941.069174] zio_wait+0x129/0x2b0 [zfs] [17941.075005] dsl_pool_sync+0xd0/0x470 [zfs] [17941.080690] ? spa_errlog_sync+0x25c/0x2b0 [zfs] [17941.086450] ? __kmalloc_node+0x181/0x330 [17941.092137] spa_sync_iterate_to_convergence+0xf0/0x250 [zfs] [17941.098102] spa_sync+0x389/0x690 [zfs] [17941.103993] txg_sync_thread+0x270/0x2f0 [zfs] [17941.109957] ? txg_dispatch_callbacks+0x120/0x120 [zfs] [17941.115964] ? __thread_exit+0x20/0x20 [spl] [17941.121841] thread_generic_wrapper+0x6c/0x80 [spl] [17941.127779] kthread+0x118/0x140 [17941.133647] ? set_kthread_struct+0x40/0x40 [17941.139561] ret_from_fork+0x1f/0x30 [root@vm2 parameters]# cat /proc/locks 1: POSIX ADVISORY READ 999553 00:31:55 201 201 2: POSIX ADVISORY READ 999553 00:31:55 100 101 3: DELEG ACTIVE READ 999553 00:31:189 0 EOF 4: FLOCK ADVISORY WRITE 999321 00:18:3499 0 EOF 5: POSIX ADVISORY WRITE 949090 00:18:3395 0 EOF 6: POSIX ADVISORY WRITE 949090 00:18:3394 0 EOF 7: POSIX ADVISORY WRITE 948911 00:18:3322 0 EOF 8: DELEG ACTIVE READ 999553 00:31:55 0 EOF 9: POSIX ADVISORY WRITE 999305 00:18:3511 0 EOF ``` -- You may reply to this email to add a comment. 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