[254477.363991] usb 1-1.6.1: USB disconnect, device number 4 [487721.200629] VERIFY3(insert_inode_locked(ip) == 0) failed (-16 == 0) [487721.200636] PANIC at zfs_znode.c:611:zfs_znode_alloc() [487721.200639] Showing stack for process 11351 [487721.200644] CPU: 8 PID: 11351 Comm: z_unlinked_drai Tainted: P OE --------- - - 4.18.0-193.28.1.el8_2.x86_64 #1 [487721.200645] Hardware name: Dell Inc. PowerEdge R730/072T6D, BIOS 2.11.0 11/02/2019 [487721.200647] Call Trace: [487721.200659] dump_stack+0x5c/0x80 [487721.200677] spl_panic+0xd3/0xfb [spl] [487721.200802] ? buf_cons+0x67/0x70 [zfs] [487721.200808] ? _cond_resched+0x15/0x30 [487721.200908] ? sa_lookup_locked+0x64/0xb0 [zfs] [487721.200913] ? iput+0x76/0x200 [487721.200918] ? insert_inode_locked+0x1d1/0x1e0 [487721.200987] zfs_znode_alloc+0x653/0x6b0 [zfs] [487721.201029] zfs_zget+0x1a0/0x240 [zfs] [487721.201068] zfs_unlinked_drain_task+0x6e/0xf0 [zfs] [487721.201072] ? __switch_to_asm+0x41/0x70 [487721.201073] ? __switch_to_asm+0x35/0x70 [487721.201074] ? __switch_to_asm+0x41/0x70 [487721.201075] ? __switch_to_asm+0x35/0x70 [487721.201077] ? __switch_to_asm+0x41/0x70 [487721.201078] ? __switch_to_asm+0x35/0x70 [487721.201079] ? __switch_to_asm+0x41/0x70 [487721.201080] ? __switch_to_asm+0x35/0x70 [487721.201081] ? __switch_to_asm+0x41/0x70 [487721.201082] ? __switch_to_asm+0x35/0x70 [487721.201083] ? __switch_to_asm+0x41/0x70 [487721.201086] ? __switch_to+0x7a/0x3f0 [487721.201088] ? __schedule+0x257/0x650 [487721.201092] ? __wake_up_common_lock+0x89/0xc0 [487721.201093] ? remove_wait_queue+0x20/0x60 [487721.201098] taskq_thread+0x2e5/0x530 [spl] [487721.201101] ? wake_up_q+0x70/0x70 [487721.201106] ? taskq_thread_spawn+0x50/0x50 [spl] [487721.201107] kthread+0x112/0x130 [487721.201109] ? kthread_flush_work_fn+0x10/0x10 [487721.201111] ret_from_fork+0x35/0x40 [487958.986385] INFO: task z_unlinked_drai:11351 blocked for more than 120 seconds. [487958.986391] Tainted: P OE --------- - - 4.18.0-193.28.1.el8_2.x86_64 #1 [487958.986392] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [487958.986395] z_unlinked_drai D 0 11351 2 0x80004080 [487958.986398] Call Trace: [487958.986410] ? __schedule+0x24f/0x650 [487958.986416] schedule+0x2f/0xa0 [487958.986430] spl_panic+0xf9/0xfb [spl] [487958.986548] ? buf_cons+0x67/0x70 [zfs] [487958.986551] ? _cond_resched+0x15/0x30 [487958.986581] ? sa_lookup_locked+0x64/0xb0 [zfs] [487958.986583] ? iput+0x76/0x200 [487958.986585] ? insert_inode_locked+0x1d1/0x1e0 [487958.986616] zfs_znode_alloc+0x653/0x6b0 [zfs] [487958.986653] zfs_zget+0x1a0/0x240 [zfs] [487958.986684] zfs_unlinked_drain_task+0x6e/0xf0 [zfs] [487958.986688] ? __switch_to_asm+0x41/0x70 [487958.986689] ? __switch_to_asm+0x35/0x70 [487958.986689] ? __switch_to_asm+0x41/0x70 [487958.986690] ? __switch_to_asm+0x35/0x70 [487958.986691] ? __switch_to_asm+0x41/0x70 [487958.986691] ? __switch_to_asm+0x35/0x70 [487958.986692] ? __switch_to_asm+0x41/0x70 [487958.986693] ? __switch_to_asm+0x35/0x70 [487958.986694] ? __switch_to_asm+0x41/0x70 [487958.986694] ? __switch_to_asm+0x35/0x70 [487958.986695] ? __switch_to_asm+0x41/0x70 [487958.986698] ? __switch_to+0x7a/0x3f0 [487958.986700] ? __schedule+0x257/0x650 [487958.986704] ? __wake_up_common_lock+0x89/0xc0 [487958.986705] ? remove_wait_queue+0x20/0x60 [487958.986709] taskq_thread+0x2e5/0x530 [spl] [487958.986711] ? wake_up_q+0x70/0x70 [487958.986714] ? taskq_thread_spawn+0x50/0x50 [spl] [487958.986716] kthread+0x112/0x130 [487958.986718] ? kthread_flush_work_fn+0x10/0x10 [487958.986719] ret_from_fork+0x35/0x40 [487958.986728] INFO: task zfs:3783729 blocked for more than 120 seconds. [487958.986729] Tainted: P OE --------- - - 4.18.0-193.28.1.el8_2.x86_64 #1 [487958.986730] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [487958.986730] zfs D 0 3783729 3783725 0x80004080 [487958.986731] Call Trace: [487958.986733] ? __schedule+0x24f/0x650 [487958.986735] schedule+0x2f/0xa0 [487958.986737] taskq_wait_id+0x8a/0xe0 [spl] [487958.986739] ? finish_wait+0x80/0x80 [487958.986742] taskq_cancel_id+0xe7/0x120 [spl] [487958.986772] zfs_unlinked_drain_stop_wait+0x42/0x60 [zfs] [487958.986804] zfsvfs_teardown+0x1f/0x300 [zfs] [487958.986836] zfs_ioc_recv_impl+0x635/0xfd0 [zfs] [487958.986868] zfs_ioc_recv_new+0x334/0x3d0 [zfs] [487958.986871] ? _cond_resched+0x15/0x30 [487958.986873] ? __kmalloc_node+0x1d9/0x2b0 [487958.986877] ? spl_kmem_alloc_impl+0xe3/0x130 [spl] [487958.986879] ? spl_kmem_alloc_impl+0xe3/0x130 [spl] [487958.986886] ? nv_mem_zalloc.isra.0+0x2a/0x40 [znvpair] [487958.986888] ? nvlist_xalloc.part.4+0x4b/0xb0 [znvpair] [487958.986918] zfsdev_ioctl+0x1da/0x8c0 [zfs] [487958.986921] do_vfs_ioctl+0xa4/0x630 [487958.986924] ? handle_mm_fault+0xda/0x200 [487958.986927] ? syscall_trace_enter+0x1d3/0x2c0 [487958.986928] ksys_ioctl+0x60/0x90 [487958.986929] __x64_sys_ioctl+0x16/0x20 [487958.986930] do_syscall_64+0x5b/0x1a0 [487958.986932] entry_SYSCALL_64_after_hwframe+0x65/0xca [487958.986933] RIP: 0033:0x7f1b83df388b [487958.986937] Code: Bad RIP value. [487958.986937] RSP: 002b:00007ffee45982c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [487958.986938] RAX: ffffffffffffffda RBX: 00007ffee45982f0 RCX: 00007f1b83df388b [487958.986939] RDX: 00007ffee45982f0 RSI: 0000000000005a46 RDI: 0000000000000005 [487958.986940] RBP: 00007ffee459b8d0 R08: 0000000040000000 R09: 0000000000000003 [487958.986940] R10: 0000000000000012 R11: 0000000000000246 R12: 00007ffee459b930 [487958.986941] R13: 0000000000005a46 R14: 0000000000000005 R15: 0000000000005a46 [488081.866880] INFO: task z_unlinked_drai:11351 blocked for more than 120 seconds. [488081.866886] Tainted: P OE --------- - - 4.18.0-193.28.1.el8_2.x86_64 #1 [488081.866888] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [488081.866890] z_unlinked_drai D 0 11351 2 0x80004080 [488081.866893] Call Trace: [488081.866905] ? __schedule+0x24f/0x650 [488081.866912] schedule+0x2f/0xa0 [488081.866926] spl_panic+0xf9/0xfb [spl] [488081.867048] ? buf_cons+0x67/0x70 [zfs] [488081.867050] ? _cond_resched+0x15/0x30 [488081.867080] ? sa_lookup_locked+0x64/0xb0 [zfs] [488081.867082] ? iput+0x76/0x200 [488081.867084] ? insert_inode_locked+0x1d1/0x1e0 [488081.867115] zfs_znode_alloc+0x653/0x6b0 [zfs] [488081.867150] zfs_zget+0x1a0/0x240 [zfs] [488081.867182] zfs_unlinked_drain_task+0x6e/0xf0 [zfs] [488081.867186] ? __switch_to_asm+0x41/0x70 [488081.867187] ? __switch_to_asm+0x35/0x70 [488081.867187] ? __switch_to_asm+0x41/0x70 [488081.867188] ? __switch_to_asm+0x35/0x70 [488081.867189] ? __switch_to_asm+0x41/0x70 [488081.867190] ? __switch_to_asm+0x35/0x70 [488081.867190] ? __switch_to_asm+0x41/0x70 [488081.867191] ? __switch_to_asm+0x35/0x70 [488081.867192] ? __switch_to_asm+0x41/0x70 [488081.867193] ? __switch_to_asm+0x35/0x70 [488081.867193] ? __switch_to_asm+0x41/0x70 [488081.867196] ? __switch_to+0x7a/0x3f0 [488081.867198] ? __schedule+0x257/0x650 [488081.867201] ? __wake_up_common_lock+0x89/0xc0 [488081.867203] ? remove_wait_queue+0x20/0x60 [488081.867206] taskq_thread+0x2e5/0x530 [spl] [488081.867209] ? wake_up_q+0x70/0x70 [488081.867212] ? taskq_thread_spawn+0x50/0x50 [spl] [488081.867214] kthread+0x112/0x130 [488081.867216] ? kthread_flush_work_fn+0x10/0x10 [488081.867217] ret_from_fork+0x35/0x40 [488081.867226] INFO: task zfs:3783729 blocked for more than 120 seconds. [488081.867227] Tainted: P OE --------- - - 4.18.0-193.28.1.el8_2.x86_64 #1 [488081.867228] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [488081.867229] zfs D 0 3783729 3783725 0x80004080 [488081.867229] Call Trace: [488081.867231] ? __schedule+0x24f/0x650 [488081.867233] schedule+0x2f/0xa0 [488081.867236] taskq_wait_id+0x8a/0xe0 [spl] [488081.867238] ? finish_wait+0x80/0x80 [488081.867242] taskq_cancel_id+0xe7/0x120 [spl] [488081.867274] zfs_unlinked_drain_stop_wait+0x42/0x60 [zfs] [488081.867308] zfsvfs_teardown+0x1f/0x300 [zfs] [488081.867341] zfs_ioc_recv_impl+0x635/0xfd0 [zfs] [488081.867376] zfs_ioc_recv_new+0x334/0x3d0 [zfs] [488081.867379] ? _cond_resched+0x15/0x30 [488081.867381] ? __kmalloc_node+0x1d9/0x2b0 [488081.867385] ? spl_kmem_alloc_impl+0xe3/0x130 [spl] [488081.867387] ? spl_kmem_alloc_impl+0xe3/0x130 [spl] [488081.867394] ? nv_mem_zalloc.isra.0+0x2a/0x40 [znvpair] [488081.867397] ? nvlist_xalloc.part.4+0x4b/0xb0 [znvpair] [488081.867429] zfsdev_ioctl+0x1da/0x8c0 [zfs] [488081.867432] do_vfs_ioctl+0xa4/0x630 [488081.867435] ? handle_mm_fault+0xda/0x200 [488081.867438] ? syscall_trace_enter+0x1d3/0x2c0 [488081.867439] ksys_ioctl+0x60/0x90 [488081.867440] __x64_sys_ioctl+0x16/0x20 [488081.867441] do_syscall_64+0x5b/0x1a0 [488081.867443] entry_SYSCALL_64_after_hwframe+0x65/0xca [488081.867444] RIP: 0033:0x7f1b83df388b [488081.867448] Code: Bad RIP value. [488081.867449] RSP: 002b:00007ffee45982c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [488081.867450] RAX: ffffffffffffffda RBX: 00007ffee45982f0 RCX: 00007f1b83df388b [488081.867450] RDX: 00007ffee45982f0 RSI: 0000000000005a46 RDI: 0000000000000005 [488081.867451] RBP: 00007ffee459b8d0 R08: 0000000040000000 R09: 0000000000000003 [488081.867451] R10: 0000000000000012 R11: 0000000000000246 R12: 00007ffee459b930 [488081.867452] R13: 0000000000005a46 R14: 0000000000000005 R15: 0000000000005a46 [488204.747319] INFO: task z_unlinked_drai:11351 blocked for more than 120 seconds. [488204.747322] Tainted: P OE --------- - - 4.18.0-193.28.1.el8_2.x86_64 #1 [488204.747323] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [488204.747324] z_unlinked_drai D 0 11351 2 0x80004080 [488204.747326] Call Trace: [488204.747332] ? __schedule+0x24f/0x650 [488204.747335] schedule+0x2f/0xa0 [488204.747343] spl_panic+0xf9/0xfb [spl] [488204.747444] ? buf_cons+0x67/0x70 [zfs] [488204.747446] ? _cond_resched+0x15/0x30 [488204.747476] ? sa_lookup_locked+0x64/0xb0 [zfs] [488204.747479] ? iput+0x76/0x200 [488204.747481] ? insert_inode_locked+0x1d1/0x1e0 [488204.747512] zfs_znode_alloc+0x653/0x6b0 [zfs] [488204.747547] zfs_zget+0x1a0/0x240 [zfs] [488204.747579] zfs_unlinked_drain_task+0x6e/0xf0 [zfs] [488204.747582] ? __switch_to_asm+0x41/0x70 [488204.747583] ? __switch_to_asm+0x35/0x70 [488204.747583] ? __switch_to_asm+0x41/0x70 [488204.747584] ? __switch_to_asm+0x35/0x70 [488204.747585] ? __switch_to_asm+0x41/0x70 [488204.747586] ? __switch_to_asm+0x35/0x70 [488204.747587] ? __switch_to_asm+0x41/0x70 [488204.747587] ? __switch_to_asm+0x35/0x70 [488204.747588] ? __switch_to_asm+0x41/0x70 [488204.747589] ? __switch_to_asm+0x35/0x70 [488204.747589] ? __switch_to_asm+0x41/0x70 [488204.747592] ? __switch_to+0x7a/0x3f0 [488204.747594] ? __schedule+0x257/0x650 [488204.747598] ? __wake_up_common_lock+0x89/0xc0 [488204.747599] ? remove_wait_queue+0x20/0x60 [488204.747603] taskq_thread+0x2e5/0x530 [spl] [488204.747605] ? wake_up_q+0x70/0x70 [488204.747609] ? taskq_thread_spawn+0x50/0x50 [spl] [488204.747611] kthread+0x112/0x130 [488204.747612] ? kthread_flush_work_fn+0x10/0x10 [488204.747613] ret_from_fork+0x35/0x40 [488204.747622] INFO: task zfs:3783729 blocked for more than 120 seconds. [488204.747623] Tainted: P OE --------- - - 4.18.0-193.28.1.el8_2.x86_64 #1 [488204.747623] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [488204.747624] zfs D 0 3783729 3783725 0x80004080 [488204.747625] Call Trace: [488204.747627] ? __schedule+0x24f/0x650 [488204.747628] schedule+0x2f/0xa0 [488204.747631] taskq_wait_id+0x8a/0xe0 [spl] [488204.747633] ? finish_wait+0x80/0x80 [488204.747635] taskq_cancel_id+0xe7/0x120 [spl] [488204.747666] zfs_unlinked_drain_stop_wait+0x42/0x60 [zfs] [488204.747698] zfsvfs_teardown+0x1f/0x300 [zfs] [488204.747731] zfs_ioc_recv_impl+0x635/0xfd0 [zfs] [488204.747766] zfs_ioc_recv_new+0x334/0x3d0 [zfs] [488204.747768] ? _cond_resched+0x15/0x30 [488204.747771] ? __kmalloc_node+0x1d9/0x2b0 [488204.747774] ? spl_kmem_alloc_impl+0xe3/0x130 [spl] [488204.747777] ? spl_kmem_alloc_impl+0xe3/0x130 [spl] [488204.747784] ? nv_mem_zalloc.isra.0+0x2a/0x40 [znvpair] [488204.747787] ? nvlist_xalloc.part.4+0x4b/0xb0 [znvpair] [488204.747819] zfsdev_ioctl+0x1da/0x8c0 [zfs] [488204.747822] do_vfs_ioctl+0xa4/0x630 [488204.747825] ? handle_mm_fault+0xda/0x200 [488204.747828] ? syscall_trace_enter+0x1d3/0x2c0 [488204.747829] ksys_ioctl+0x60/0x90 [488204.747830] __x64_sys_ioctl+0x16/0x20 [488204.747831] do_syscall_64+0x5b/0x1a0 [488204.747833] entry_SYSCALL_64_after_hwframe+0x65/0xca [488204.747834] RIP: 0033:0x7f1b83df388b [488204.747838] Code: Bad RIP value. [488204.747838] RSP: 002b:00007ffee45982c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [488204.747839] RAX: ffffffffffffffda RBX: 00007ffee45982f0 RCX: 00007f1b83df388b [488204.747840] RDX: 00007ffee45982f0 RSI: 0000000000005a46 RDI: 0000000000000005 [488204.747840] RBP: 00007ffee459b8d0 R08: 0000000040000000 R09: 0000000000000003 [488204.747841] R10: 0000000000000012 R11: 0000000000000246 R12: 00007ffee459b930 [488204.747841] R13: 0000000000005a46 R14: 0000000000000005 R15: 0000000000005a46 [488327.627873] INFO: task z_unlinked_drai:11351 blocked for more than 120 seconds. [488327.627879] Tainted: P OE --------- - - 4.18.0-193.28.1.el8_2.x86_64 #1 [488327.627881] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [488327.627883] z_unlinked_drai D 0 11351 2 0x80004080 [488327.627887] Call Trace: [488327.627898] ? __schedule+0x24f/0x650 [488327.627905] schedule+0x2f/0xa0 [488327.627919] spl_panic+0xf9/0xfb [spl] [488327.628039] ? buf_cons+0x67/0x70 [zfs] [488327.628041] ? _cond_resched+0x15/0x30 [488327.628071] ? sa_lookup_locked+0x64/0xb0 [zfs] [488327.628074] ? iput+0x76/0x200 [488327.628075] ? insert_inode_locked+0x1d1/0x1e0 [488327.628107] zfs_znode_alloc+0x653/0x6b0 [zfs] [488327.628143] zfs_zget+0x1a0/0x240 [zfs] [488327.628175] zfs_unlinked_drain_task+0x6e/0xf0 [zfs] [488327.628179] ? __switch_to_asm+0x41/0x70 [488327.628180] ? __switch_to_asm+0x35/0x70 [488327.628181] ? __switch_to_asm+0x41/0x70 [488327.628181] ? __switch_to_asm+0x35/0x70 [488327.628182] ? __switch_to_asm+0x41/0x70 [488327.628183] ? __switch_to_asm+0x35/0x70 [488327.628184] ? __switch_to_asm+0x41/0x70 [488327.628184] ? __switch_to_asm+0x35/0x70 [488327.628185] ? __switch_to_asm+0x41/0x70 [488327.628186] ? __switch_to_asm+0x35/0x70 [488327.628187] ? __switch_to_asm+0x41/0x70 [488327.628190] ? __switch_to+0x7a/0x3f0 [488327.628191] ? __schedule+0x257/0x650 [488327.628195] ? __wake_up_common_lock+0x89/0xc0 [488327.628197] ? remove_wait_queue+0x20/0x60 [488327.628201] taskq_thread+0x2e5/0x530 [spl] [488327.628203] ? wake_up_q+0x70/0x70 [488327.628206] ? taskq_thread_spawn+0x50/0x50 [spl] [488327.628208] kthread+0x112/0x130 [488327.628209] ? kthread_flush_work_fn+0x10/0x10 [488327.628210] ret_from_fork+0x35/0x40 [488327.628219] INFO: task zfs:3783729 blocked for more than 120 seconds. [488327.628220] Tainted: P OE --------- - - 4.18.0-193.28.1.el8_2.x86_64 #1 [488327.628221] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [488327.628222] zfs D 0 3783729 3783725 0x80004080 [488327.628222] Call Trace: [488327.628224] ? __schedule+0x24f/0x650 [488327.628226] schedule+0x2f/0xa0 [488327.628228] taskq_wait_id+0x8a/0xe0 [spl] [488327.628230] ? finish_wait+0x80/0x80 [488327.628233] taskq_cancel_id+0xe7/0x120 [spl] [488327.628264] zfs_unlinked_drain_stop_wait+0x42/0x60 [zfs] [488327.628295] zfsvfs_teardown+0x1f/0x300 [zfs] [488327.628327] zfs_ioc_recv_impl+0x635/0xfd0 [zfs] [488327.628358] zfs_ioc_recv_new+0x334/0x3d0 [zfs] [488327.628361] ? _cond_resched+0x15/0x30 [488327.628363] ? __kmalloc_node+0x1d9/0x2b0 [488327.628366] ? spl_kmem_alloc_impl+0xe3/0x130 [spl] [488327.628369] ? spl_kmem_alloc_impl+0xe3/0x130 [spl] [488327.628375] ? nv_mem_zalloc.isra.0+0x2a/0x40 [znvpair] [488327.628378] ? nvlist_xalloc.part.4+0x4b/0xb0 [znvpair] [488327.628407] zfsdev_ioctl+0x1da/0x8c0 [zfs] [488327.628410] do_vfs_ioctl+0xa4/0x630 [488327.628413] ? handle_mm_fault+0xda/0x200 [488327.628416] ? syscall_trace_enter+0x1d3/0x2c0 [488327.628417] ksys_ioctl+0x60/0x90 [488327.628418] __x64_sys_ioctl+0x16/0x20 [488327.628420] do_syscall_64+0x5b/0x1a0 [488327.628421] entry_SYSCALL_64_after_hwframe+0x65/0xca [488327.628423] RIP: 0033:0x7f1b83df388b [488327.628426] Code: Bad RIP value. [488327.628427] RSP: 002b:00007ffee45982c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [488327.628428] RAX: ffffffffffffffda RBX: 00007ffee45982f0 RCX: 00007f1b83df388b [488327.628428] RDX: 00007ffee45982f0 RSI: 0000000000005a46 RDI: 0000000000000005 [488327.628429] RBP: 00007ffee459b8d0 R08: 0000000040000000 R09: 0000000000000003 [488327.628429] R10: 0000000000000012 R11: 0000000000000246 R12: 00007ffee459b930 [488327.628430] R13: 0000000000005a46 R14: 0000000000000005 R15: 0000000000005a46 [488450.508311] INFO: task z_unlinked_drai:11351 blocked for more than 120 seconds. [488450.508314] Tainted: P OE --------- - - 4.18.0-193.28.1.el8_2.x86_64 #1 [488450.508314] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [488450.508315] z_unlinked_drai D 0 11351 2 0x80004080 [488450.508317] Call Trace: [488450.508324] ? __schedule+0x24f/0x650 [488450.508327] schedule+0x2f/0xa0 [488450.508334] spl_panic+0xf9/0xfb [spl] [488450.508439] ? buf_cons+0x67/0x70 [zfs] [488450.508441] ? _cond_resched+0x15/0x30 [488450.508472] ? sa_lookup_locked+0x64/0xb0 [zfs] [488450.508474] ? iput+0x76/0x200 [488450.508475] ? insert_inode_locked+0x1d1/0x1e0 [488450.508508] zfs_znode_alloc+0x653/0x6b0 [zfs] [488450.508543] zfs_zget+0x1a0/0x240 [zfs] [488450.508575] zfs_unlinked_drain_task+0x6e/0xf0 [zfs] [488450.508579] ? __switch_to_asm+0x41/0x70 [488450.508580] ? __switch_to_asm+0x35/0x70 [488450.508580] ? __switch_to_asm+0x41/0x70 [488450.508581] ? __switch_to_asm+0x35/0x70 [488450.508582] ? __switch_to_asm+0x41/0x70 [488450.508583] ? __switch_to_asm+0x35/0x70 [488450.508583] ? __switch_to_asm+0x41/0x70 [488450.508584] ? __switch_to_asm+0x35/0x70 [488450.508585] ? __switch_to_asm+0x41/0x70 [488450.508586] ? __switch_to_asm+0x35/0x70 [488450.508586] ? __switch_to_asm+0x41/0x70 [488450.508590] ? __switch_to+0x7a/0x3f0 [488450.508591] ? __schedule+0x257/0x650 [488450.508595] ? __wake_up_common_lock+0x89/0xc0 [488450.508596] ? remove_wait_queue+0x20/0x60 [488450.508600] taskq_thread+0x2e5/0x530 [spl] [488450.508602] ? wake_up_q+0x70/0x70 [488450.508606] ? taskq_thread_spawn+0x50/0x50 [spl] [488450.508608] kthread+0x112/0x130 [488450.508610] ? kthread_flush_work_fn+0x10/0x10 [488450.508611] ret_from_fork+0x35/0x40 [488450.508621] INFO: task zfs:3783729 blocked for more than 120 seconds. [488450.508622] Tainted: P OE --------- - - 4.18.0-193.28.1.el8_2.x86_64 #1 [488450.508623] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [488450.508624] zfs D 0 3783729 3783725 0x80004080 [488450.508625] Call Trace: [488450.508627] ? __schedule+0x24f/0x650 [488450.508628] schedule+0x2f/0xa0 [488450.508632] taskq_wait_id+0x8a/0xe0 [spl] [488450.508634] ? finish_wait+0x80/0x80 [488450.508637] taskq_cancel_id+0xe7/0x120 [spl] [488450.508670] zfs_unlinked_drain_stop_wait+0x42/0x60 [zfs] [488450.508703] zfsvfs_teardown+0x1f/0x300 [zfs] [488450.508737] zfs_ioc_recv_impl+0x635/0xfd0 [zfs] [488450.508771] zfs_ioc_recv_new+0x334/0x3d0 [zfs] [488450.508774] ? _cond_resched+0x15/0x30 [488450.508777] ? __kmalloc_node+0x1d9/0x2b0 [488450.508780] ? spl_kmem_alloc_impl+0xe3/0x130 [spl] [488450.508783] ? spl_kmem_alloc_impl+0xe3/0x130 [spl] [488450.508789] ? nv_mem_zalloc.isra.0+0x2a/0x40 [znvpair] [488450.508792] ? nvlist_xalloc.part.4+0x4b/0xb0 [znvpair] [488450.508823] zfsdev_ioctl+0x1da/0x8c0 [zfs] [488450.508826] do_vfs_ioctl+0xa4/0x630 [488450.508829] ? handle_mm_fault+0xda/0x200 [488450.508832] ? syscall_trace_enter+0x1d3/0x2c0 [488450.508833] ksys_ioctl+0x60/0x90 [488450.508834] __x64_sys_ioctl+0x16/0x20 [488450.508835] do_syscall_64+0x5b/0x1a0 [488450.508837] entry_SYSCALL_64_after_hwframe+0x65/0xca [488450.508839] RIP: 0033:0x7f1b83df388b [488450.508842] Code: Bad RIP value. [488450.508842] RSP: 002b:00007ffee45982c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [488450.508843] RAX: ffffffffffffffda RBX: 00007ffee45982f0 RCX: 00007f1b83df388b [488450.508844] RDX: 00007ffee45982f0 RSI: 0000000000005a46 RDI: 0000000000000005 [488450.508844] RBP: 00007ffee459b8d0 R08: 0000000040000000 R09: 0000000000000003 [488450.508845] R10: 0000000000000012 R11: 0000000000000246 R12: 00007ffee459b930 [488450.508846] R13: 0000000000005a46 R14: 0000000000000005 R15: 0000000000005a46