Hi. I launched several application which highly use I/O on start and it caused freezing system for several second. All traces lead to xfs. Whether there is a useful info in trace or just it means that disk is slow? [ 369.298861] INFO: task TaskSchedulerFo:4187 blocked for more than 120 seconds. [ 369.298875] Not tainted 4.15.0-rc4-amd-vega+ #4 [ 369.298878] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.298882] TaskSchedulerFo D11752 4187 3618 0x00000000 [ 369.298889] Call Trace: [ 369.298900] __schedule+0x2dc/0xba0 [ 369.298904] ? __lock_acquire+0x2d4/0x1350 [ 369.298911] ? __down+0x84/0x110 [ 369.298915] schedule+0x33/0x90 [ 369.298919] schedule_timeout+0x25a/0x5b0 [ 369.298925] ? mark_held_locks+0x5f/0x90 [ 369.298928] ? _raw_spin_unlock_irq+0x2c/0x40 [ 369.298931] ? __down+0x84/0x110 [ 369.298935] ? trace_hardirqs_on_caller+0xf4/0x190 [ 369.298940] ? __down+0x84/0x110 [ 369.298944] __down+0xac/0x110 [ 369.298999] ? _xfs_buf_find+0x263/0xac0 [xfs] [ 369.299004] down+0x41/0x50 [ 369.299008] ? down+0x41/0x50 [ 369.299039] xfs_buf_lock+0x4e/0x270 [xfs] [ 369.299069] _xfs_buf_find+0x263/0xac0 [xfs] [ 369.299105] xfs_buf_get_map+0x29/0x490 [xfs] [ 369.299136] xfs_buf_read_map+0x2b/0x300 [xfs] [ 369.299175] xfs_trans_read_buf_map+0xc4/0x5d0 [xfs] [ 369.299207] xfs_read_agi+0xaa/0x200 [xfs] [ 369.299241] xfs_ialloc_read_agi+0x4b/0x1a0 [xfs] [ 369.299270] xfs_dialloc+0x10f/0x270 [xfs] [ 369.299309] xfs_ialloc+0x6a/0x520 [xfs] [ 369.299314] ? find_held_lock+0x3c/0xb0 [ 369.299350] xfs_dir_ialloc+0x67/0x210 [xfs] [ 369.299387] xfs_create+0x514/0x840 [xfs] [ 369.299430] xfs_generic_create+0x1fa/0x2d0 [xfs] [ 369.299465] xfs_vn_mknod+0x14/0x20 [xfs] [ 369.299491] xfs_vn_create+0x13/0x20 [xfs] [ 369.299496] lookup_open+0x5ea/0x7c0 [ 369.299507] ? __wake_up_common_lock+0x65/0xc0 [ 369.299521] path_openat+0x318/0xc80 [ 369.299532] do_filp_open+0x9b/0x110 [ 369.299547] ? _raw_spin_unlock+0x27/0x40 [ 369.299557] do_sys_open+0x1ba/0x250 [ 369.299559] ? do_sys_open+0x1ba/0x250 [ 369.299568] SyS_openat+0x14/0x20 [ 369.299571] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 369.299575] RIP: 0033:0x7f784e0f8080 [ 369.299577] RSP: 002b:00007f78060923d0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 369.299582] RAX: ffffffffffffffda RBX: 00002876b19ad8d0 RCX: 00007f784e0f8080 [ 369.299584] RDX: 0000000000000241 RSI: 00002876ace09880 RDI: ffffffffffffff9c [ 369.299586] RBP: 00007f78060924b0 R08: 0000000000000000 R09: 0000000000709b00 [ 369.299588] R10: 0000000000000180 R11: 0000000000000293 R12: 00002876b1cbc820 [ 369.299590] R13: 00007f7806092570 R14: 00002876b19ad8d0 R15: 00002876b1cbc820 [ 369.299650] INFO: task Cache2 I/O:5016 blocked for more than 120 seconds. [ 369.299654] Not tainted 4.15.0-rc4-amd-vega+ #4 [ 369.299657] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.299660] Cache2 I/O D10616 5016 3779 0x00000000 [ 369.299666] Call Trace: [ 369.299672] __schedule+0x2dc/0xba0 [ 369.299675] ? __lock_acquire+0x2d4/0x1350 [ 369.299683] ? __down+0x84/0x110 [ 369.299687] schedule+0x33/0x90 [ 369.299690] schedule_timeout+0x25a/0x5b0 [ 369.299698] ? mark_held_locks+0x5f/0x90 [ 369.299702] ? _raw_spin_unlock_irq+0x2c/0x40 [ 369.299704] ? __down+0x84/0x110 [ 369.299709] ? trace_hardirqs_on_caller+0xf4/0x190 [ 369.299713] ? __down+0x84/0x110 [ 369.299718] __down+0xac/0x110 [ 369.299751] ? _xfs_buf_find+0x263/0xac0 [xfs] [ 369.299756] down+0x41/0x50 [ 369.299759] ? down+0x41/0x50 [ 369.299788] xfs_buf_lock+0x4e/0x270 [xfs] [ 369.299817] _xfs_buf_find+0x263/0xac0 [xfs] [ 369.299852] xfs_buf_get_map+0x29/0x490 [xfs] [ 369.299855] ? __lock_is_held+0x65/0xb0 [ 369.299884] xfs_buf_read_map+0x2b/0x300 [xfs] [ 369.299923] xfs_trans_read_buf_map+0xc4/0x5d0 [xfs] [ 369.299955] xfs_read_agi+0xaa/0x200 [xfs] [ 369.299988] xfs_ialloc_read_agi+0x4b/0x1a0 [xfs] [ 369.300018] xfs_dialloc+0x10f/0x270 [xfs] [ 369.300057] xfs_ialloc+0x6a/0x520 [xfs] [ 369.300063] ? find_held_lock+0x3c/0xb0 [ 369.300097] xfs_dir_ialloc+0x67/0x210 [xfs] [ 369.300136] xfs_create+0x514/0x840 [xfs] [ 369.300178] xfs_generic_create+0x1fa/0x2d0 [xfs] [ 369.300213] xfs_vn_mknod+0x14/0x20 [xfs] [ 369.300240] xfs_vn_create+0x13/0x20 [xfs] [ 369.300244] lookup_open+0x5ea/0x7c0 [ 369.300255] ? __wake_up_common_lock+0x65/0xc0 [ 369.300269] path_openat+0x318/0xc80 [ 369.300281] do_filp_open+0x9b/0x110 [ 369.300297] ? _raw_spin_unlock+0x27/0x40 [ 369.300307] do_sys_open+0x1ba/0x250 [ 369.300310] ? do_sys_open+0x1ba/0x250 [ 369.300318] SyS_openat+0x14/0x20 [ 369.300322] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 369.300325] RIP: 0033:0x7fd3ed255080 [ 369.300327] RSP: 002b:00007fd3ed65eb40 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 369.300331] RAX: ffffffffffffffda RBX: 00007fd3ed65e9b8 RCX: 00007fd3ed255080 [ 369.300333] RDX: 0000000000000242 RSI: 00007fd33e214b8c RDI: ffffffffffffff9c [ 369.300335] RBP: 00007fd3ed65e830 R08: 0000000000000000 R09: 0000000000000001 [ 369.300337] R10: 0000000000000180 R11: 0000000000000293 R12: 0000000000000000 [ 369.300339] R13: 00000000fffffffc R14: 00007fd3ed65e8f0 R15: 0000000000000001 [ 369.300358] INFO: task DOM Worker:5431 blocked for more than 120 seconds. [ 369.300362] Not tainted 4.15.0-rc4-amd-vega+ #4 [ 369.300365] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.300367] DOM Worker D12064 5431 3779 0x00000000 [ 369.300374] Call Trace: [ 369.300380] __schedule+0x2dc/0xba0 [ 369.300383] ? __lock_acquire+0x2d4/0x1350 [ 369.300390] ? __down+0x84/0x110 [ 369.300394] schedule+0x33/0x90 [ 369.300398] schedule_timeout+0x25a/0x5b0 [ 369.300404] ? mark_held_locks+0x5f/0x90 [ 369.300407] ? _raw_spin_unlock_irq+0x2c/0x40 [ 369.300410] ? __down+0x84/0x110 [ 369.300414] ? trace_hardirqs_on_caller+0xf4/0x190 [ 369.300419] ? __down+0x84/0x110 [ 369.300423] __down+0xac/0x110 [ 369.300457] ? _xfs_buf_find+0x263/0xac0 [xfs] [ 369.300461] down+0x41/0x50 [ 369.300465] ? down+0x41/0x50 [ 369.300494] xfs_buf_lock+0x4e/0x270 [xfs] [ 369.300522] _xfs_buf_find+0x263/0xac0 [xfs] [ 369.300557] xfs_buf_get_map+0x29/0x490 [xfs] [ 369.300587] xfs_buf_read_map+0x2b/0x300 [xfs] [ 369.300626] xfs_trans_read_buf_map+0xc4/0x5d0 [xfs] [ 369.300670] xfs_read_agi+0xaa/0x200 [xfs] [ 369.300704] xfs_ialloc_read_agi+0x4b/0x1a0 [xfs] [ 369.300733] xfs_dialloc+0x10f/0x270 [xfs] [ 369.300772] xfs_ialloc+0x6a/0x520 [xfs] [ 369.300777] ? find_held_lock+0x3c/0xb0 [ 369.300813] xfs_dir_ialloc+0x67/0x210 [xfs] [ 369.300852] xfs_create+0x514/0x840 [xfs] [ 369.300894] xfs_generic_create+0x1fa/0x2d0 [xfs] [ 369.300930] xfs_vn_mknod+0x14/0x20 [xfs] [ 369.300957] xfs_vn_create+0x13/0x20 [xfs] [ 369.300961] lookup_open+0x5ea/0x7c0 [ 369.300972] ? __wake_up_common_lock+0x65/0xc0 [ 369.300987] path_openat+0x318/0xc80 [ 369.300998] do_filp_open+0x9b/0x110 [ 369.301013] ? _raw_spin_unlock+0x27/0x40 [ 369.301023] do_sys_open+0x1ba/0x250 [ 369.301026] ? do_sys_open+0x1ba/0x250 [ 369.301034] SyS_openat+0x14/0x20 [ 369.301038] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 369.301040] RIP: 0033:0x7fd3ed255080 [ 369.301042] RSP: 002b:00007fd3aebd82f0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 369.301047] RAX: ffffffffffffffda RBX: 00007fd380c7b678 RCX: 00007fd3ed255080 [ 369.301049] RDX: 0000000000000641 RSI: 00007fd34510ef20 RDI: ffffffffffffff9c [ 369.301051] RBP: 00007fd3aebd8670 R08: 0000000000000000 R09: 0000000000000000 [ 369.301053] R10: 0000000000000180 R11: 0000000000000293 R12: 00007fd3aebd8790 [ 369.301055] R13: 00007fd3adb46000 R14: 00007fd380c7b678 R15: 00001dd9fcc59520 [ 369.301102] INFO: task disk_cache:0:5241 blocked for more than 120 seconds. [ 369.301105] Not tainted 4.15.0-rc4-amd-vega+ #4 [ 369.301108] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.301111] disk_cache:0 D12928 5241 5081 0x00000000 [ 369.301118] Call Trace: [ 369.301124] __schedule+0x2dc/0xba0 [ 369.301133] ? wait_for_completion+0x10e/0x1a0 [ 369.301137] schedule+0x33/0x90 [ 369.301140] schedule_timeout+0x25a/0x5b0 [ 369.301146] ? mark_held_locks+0x5f/0x90 [ 369.301150] ? _raw_spin_unlock_irq+0x2c/0x40 [ 369.301153] ? wait_for_completion+0x10e/0x1a0 [ 369.301157] ? trace_hardirqs_on_caller+0xf4/0x190 [ 369.301162] ? wait_for_completion+0x10e/0x1a0 [ 369.301166] wait_for_completion+0x136/0x1a0 [ 369.301172] ? wake_up_q+0x80/0x80 [ 369.301203] ? _xfs_buf_read+0x23/0x30 [xfs] [ 369.301232] xfs_buf_submit_wait+0xb2/0x530 [xfs] [ 369.301262] _xfs_buf_read+0x23/0x30 [xfs] [ 369.301290] xfs_buf_read_map+0x14b/0x300 [xfs] [ 369.301324] ? xfs_trans_read_buf_map+0xc4/0x5d0 [xfs] [ 369.301360] xfs_trans_read_buf_map+0xc4/0x5d0 [xfs] [ 369.301390] xfs_btree_read_buf_block.constprop.36+0x72/0xc0 [xfs] [ 369.301423] xfs_btree_lookup_get_block+0x88/0x180 [xfs] [ 369.301454] xfs_btree_lookup+0xcd/0x410 [xfs] [ 369.301462] ? rcu_read_lock_sched_held+0x79/0x80 [ 369.301495] ? kmem_zone_alloc+0x6c/0xf0 [xfs] [ 369.301530] xfs_dialloc_ag_update_inobt+0x49/0x120 [xfs] [ 369.301557] ? xfs_inobt_init_cursor+0x3e/0xe0 [xfs] [ 369.301588] xfs_dialloc_ag+0x17c/0x260 [xfs] [ 369.301616] ? xfs_dialloc+0x236/0x270 [xfs] [ 369.301652] xfs_dialloc+0x59/0x270 [xfs] [ 369.301718] xfs_ialloc+0x6a/0x520 [xfs] [ 369.301724] ? find_held_lock+0x3c/0xb0 [ 369.301757] xfs_dir_ialloc+0x67/0x210 [xfs] [ 369.301792] xfs_create+0x514/0x840 [xfs] [ 369.301833] xfs_generic_create+0x1fa/0x2d0 [xfs] [ 369.301865] xfs_vn_mknod+0x14/0x20 [xfs] [ 369.301889] xfs_vn_mkdir+0x16/0x20 [xfs] [ 369.301893] vfs_mkdir+0x10c/0x1d0 [ 369.301900] SyS_mkdir+0x7e/0xf0 [ 369.301909] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 369.301912] RIP: 0033:0x7ff7314264c7 [ 369.301914] RSP: 002b:00007ff71ebf0ca8 EFLAGS: 00000286 ORIG_RAX: 0000000000000053 [ 369.301919] RAX: ffffffffffffffda RBX: 00007ff70001bb70 RCX: 00007ff7314264c7 [ 369.301921] RDX: ffffffffffffff80 RSI: 00000000000001ed RDI: 00007ff710000b20 [ 369.301923] RBP: 000055f442920268 R08: 00007ff710000020 R09: 0000000000000000 [ 369.301925] R10: 0000000000000000 R11: 0000000000000286 R12: 00007ff70001bb70 [ 369.301927] R13: 00007ff70001bb70 R14: 00007ff710000cd0 R15: 000055f442920230 [ 369.301958] INFO: task Telegram:5436 blocked for more than 120 seconds. [ 369.301962] Not tainted 4.15.0-rc4-amd-vega+ #4 [ 369.301965] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.301968] Telegram D12520 5436 5194 0x00000000 [ 369.301974] Call Trace: [ 369.301980] __schedule+0x2dc/0xba0 [ 369.301983] ? __lock_acquire+0x2d4/0x1350 [ 369.301991] ? __down+0x84/0x110 [ 369.301995] schedule+0x33/0x90 [ 369.301998] schedule_timeout+0x25a/0x5b0 [ 369.302004] ? mark_held_locks+0x5f/0x90 [ 369.302008] ? _raw_spin_unlock_irq+0x2c/0x40 [ 369.302011] ? __down+0x84/0x110 [ 369.302016] ? trace_hardirqs_on_caller+0xf4/0x190 [ 369.302020] ? __down+0x84/0x110 [ 369.302025] __down+0xac/0x110 [ 369.302055] ? _xfs_buf_find+0x263/0xac0 [xfs] [ 369.302059] down+0x41/0x50 [ 369.302063] ? down+0x41/0x50 [ 369.302088] xfs_buf_lock+0x4e/0x270 [xfs] [ 369.302114] _xfs_buf_find+0x263/0xac0 [xfs] [ 369.302145] xfs_buf_get_map+0x29/0x490 [xfs] [ 369.302174] xfs_buf_read_map+0x2b/0x300 [xfs] [ 369.302209] xfs_trans_read_buf_map+0xc4/0x5d0 [xfs] [ 369.302238] xfs_read_agi+0xaa/0x200 [xfs] [ 369.302268] xfs_ialloc_read_agi+0x4b/0x1a0 [xfs] [ 369.302294] xfs_dialloc+0x10f/0x270 [xfs] [ 369.302329] xfs_ialloc+0x6a/0x520 [xfs] [ 369.302335] ? find_held_lock+0x3c/0xb0 [ 369.302366] xfs_dir_ialloc+0x67/0x210 [xfs] [ 369.302401] xfs_create+0x514/0x840 [xfs] [ 369.302440] xfs_generic_create+0x1fa/0x2d0 [xfs] [ 369.302473] xfs_vn_mknod+0x14/0x20 [xfs] [ 369.302508] xfs_vn_create+0x13/0x20 [xfs] [ 369.302514] lookup_open+0x5ea/0x7c0 [ 369.302551] path_openat+0x318/0xc80 [ 369.302568] do_filp_open+0x9b/0x110 [ 369.302593] ? _raw_spin_unlock+0x27/0x40 [ 369.302609] do_sys_open+0x1ba/0x250 [ 369.302613] ? do_sys_open+0x1ba/0x250 [ 369.302626] SyS_openat+0x14/0x20 [ 369.302657] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 369.302661] RIP: 0033:0x7f78af7a6fee [ 369.302665] RSP: 002b:00007ffec118f740 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 369.302671] RAX: ffffffffffffffda RBX: 000000000001b9c0 RCX: 00007f78af7a6fee [ 369.302675] RDX: 0000000000080241 RSI: 0000000007916678 RDI: ffffffffffffff9c [ 369.302679] RBP: 0000000000004000 R08: 0000000000000005 R09: 0000000007911a88 [ 369.302682] R10: 00000000000001b6 R11: 0000000000000246 R12: 00007f78af223c20 [ 369.302686] R13: 0000000007912640 R14: 0000000000000000 R15: 0000000000000000 [ 369.302767] Showing all locks held in the system: [ 369.302781] 1 lock held by khungtaskd/67: [ 369.302791] #0: (tasklist_lock){.+.+}, at: [<0000000040de7357>] debug_show_all_locks+0x3d/0x1a0 [ 369.302816] 5 locks held by kworker/u16:4/147: [ 369.302818] #0: ((wq_completion)"writeback"){+.+.}, at: [<00000000dbc01e84>] process_one_work+0x1b9/0x680 [ 369.302836] #1: ((work_completion)(&(&wb->dwork)->work)){+.+.}, at: [<00000000dbc01e84>] process_one_work+0x1b9/0x680 [ 369.302852] #2: (&type->s_umount_key#63){++++}, at: [<00000000c8832341>] trylock_super+0x1b/0x50 [ 369.302873] #3: (sb_internal#2){.+.+}, at: [<000000009192e152>] xfs_trans_alloc+0xec/0x130 [xfs] [ 369.302937] #4: (&xfs_nondir_ilock_class){++++}, at: [<000000005a3ae5d1>] xfs_ilock+0x16e/0x210 [xfs] [ 369.303058] 4 locks held by pool/7261: [ 369.303061] #0: (sb_writers#17){.+.+}, at: [<0000000055176a39>] mnt_want_write+0x24/0x50 [ 369.303082] #1: (&type->i_mutex_dir_key#7/1){+.+.}, at: [<00000000046d258e>] lock_rename+0xda/0x100 [ 369.303105] #2: (sb_internal#2){.+.+}, at: [<000000009192e152>] xfs_trans_alloc+0xec/0x130 [xfs] [ 369.303167] #3: (&xfs_nondir_ilock_class){++++}, at: [<000000005a3ae5d1>] xfs_ilock+0x16e/0x210 [xfs] [ 369.303265] 1 lock held by tracker-store/2487: [ 369.303269] #0: (&sb->s_type->i_mutex_key#20){++++}, at: [<00000000ec6d59d7>] xfs_ilock+0x1a6/0x210 [xfs] [ 369.303355] 6 locks held by evolution/3357: [ 369.303359] #0: (sb_writers#17){.+.+}, at: [<0000000055176a39>] mnt_want_write+0x24/0x50 [ 369.303379] #1: (&type->i_mutex_dir_key#7/1){+.+.}, at: [<00000000bcace0fb>] do_unlinkat+0x129/0x300 [ 369.303402] #2: (&sb->s_type->i_mutex_key#20){++++}, at: [<000000002bc2a1c0>] vfs_unlink+0x50/0x1c0 [ 369.303421] #3: (sb_internal#2){.+.+}, at: [<000000009192e152>] xfs_trans_alloc+0xec/0x130 [xfs] [ 369.303479] #4: (&xfs_dir_ilock_class){++++}, at: [<000000005a3ae5d1>] xfs_ilock+0x16e/0x210 [xfs] [ 369.303532] #5: (&xfs_nondir_ilock_class/1){+.+.}, at: [<000000005a3ae5d1>] xfs_ilock+0x16e/0x210 [xfs] [ 369.303588] 1 lock held by pool/3394: [ 369.303591] #0: (&type->i_mutex_dir_key#7){++++}, at: [<00000000de6ab392>] lookup_slow+0xe5/0x220 [ 369.303614] 4 locks held by pool/6726: [ 369.303617] #0: (sb_writers#17){.+.+}, at: [<0000000055176a39>] mnt_want_write+0x24/0x50 [ 369.303659] #1: (&type->i_mutex_dir_key#7){++++}, at: [<0000000096dadea4>] path_openat+0x2fe/0xc80 [ 369.303672] #2: (sb_internal#2){.+.+}, at: [<000000009192e152>] xfs_trans_alloc+0xec/0x130 [xfs] [ 369.303710] #3: (&xfs_dir_ilock_class/5){+.+.}, at: [<000000005a3ae5d1>] xfs_ilock+0x16e/0x210 [xfs] [ 369.303759] 6 locks held by TaskSchedulerFo/3844: [ 369.303761] #0: (sb_writers#17){.+.+}, at: [<0000000055176a39>] mnt_want_write+0x24/0x50 [ 369.303773] #1: (&type->i_mutex_dir_key#7/1){+.+.}, at: [<00000000bcace0fb>] do_unlinkat+0x129/0x300 [ 369.303786] #2: (&inode->i_rwsem){++++}, at: [<000000002bc2a1c0>] vfs_unlink+0x50/0x1c0 [ 369.303797] #3: (sb_internal#2){.+.+}, at: [<000000009192e152>] xfs_trans_alloc+0xec/0x130 [xfs] [ 369.303834] #4: (&xfs_dir_ilock_class){++++}, at: [<000000005a3ae5d1>] xfs_ilock+0x16e/0x210 [xfs] [ 369.303868] #5: (&xfs_nondir_ilock_class){++++}, at: [<000000000a58e10b>] xfs_ilock_nowait+0x194/0x270 [xfs] [ 369.303918] 2 locks held by TaskSchedulerFo/3847: [ 369.303921] #0: (sb_writers#17){.+.+}, at: [<0000000055176a39>] mnt_want_write+0x24/0x50 [ 369.303939] #1: (&type->i_mutex_dir_key#7){++++}, at: [<0000000096dadea4>] path_openat+0x2fe/0xc80 [ 369.303963] 4 locks held by TaskSchedulerFo/4187: [ 369.303967] #0: (sb_writers#17){.+.+}, at: [<0000000055176a39>] mnt_want_write+0x24/0x50 [ 369.303985] #1: (&type->i_mutex_dir_key#7){++++}, at: [<0000000096dadea4>] path_openat+0x2fe/0xc80 [ 369.304004] #2: (sb_internal#2){.+.+}, at: [<000000009192e152>] xfs_trans_alloc+0xec/0x130 [xfs] [ 369.304060] #3: (&xfs_dir_ilock_class/5){+.+.}, at: [<000000005a3ae5d1>] xfs_ilock+0x16e/0x210 [xfs] [ 369.304116] 4 locks held by TaskSchedulerBa/5996: [ 369.304120] #0: (sb_writers#17){.+.+}, at: [<0000000055176a39>] mnt_want_write+0x24/0x50 [ 369.304140] #1: (&type->i_mutex_dir_key#7){++++}, at: [<0000000096dadea4>] path_openat+0x2fe/0xc80 [ 369.304155] #2: (sb_internal#2){.+.+}, at: [<000000009192e152>] xfs_trans_alloc+0xec/0x130 [xfs] [ 369.304190] #3: (&xfs_dir_ilock_class/5){+.+.}, at: [<000000005a3ae5d1>] xfs_ilock+0x16e/0x210 [xfs] [ 369.304226] 2 locks held by TaskSchedulerFo/6003: [ 369.304227] #0: (sb_internal#2){.+.+}, at: [<000000009192e152>] xfs_trans_alloc+0xec/0x130 [xfs] [ 369.304262] #1: (&xfs_nondir_ilock_class){++++}, at: [<000000005a3ae5d1>] xfs_ilock+0x16e/0x210 [xfs] [ 369.304297] 2 locks held by TaskSchedulerFo/6007: [ 369.304300] #0: (sb_writers#17){.+.+}, at: [<0000000055176a39>] mnt_want_write+0x24/0x50 [ 369.304320] #1: (&type->i_mutex_dir_key#7/1){+.+.}, at: [<00000000bcace0fb>] do_unlinkat+0x129/0x300 [ 369.304341] 3 locks held by TaskSchedulerFo/6009: [ 369.304344] #0: (sb_writers#17){.+.+}, at: [<0000000055176a39>] mnt_want_write+0x24/0x50 [ 369.304361] #1: (sb_internal#2){.+.+}, at: [<000000009192e152>] xfs_trans_alloc+0xec/0x130 [xfs] [ 369.304412] #2: (&xfs_nondir_ilock_class){++++}, at: [<000000005a3ae5d1>] xfs_ilock+0x16e/0x210 [xfs] [ 369.304462] 2 locks held by TaskSchedulerFo/6042: [ 369.304465] #0: (sb_writers#17){.+.+}, at: [<0000000055176a39>] mnt_want_write+0x24/0x50 [ 369.304484] #1: (&type->i_mutex_dir_key#7){++++}, at: [<0000000096dadea4>] path_openat+0x2fe/0xc80 [ 369.304503] 2 locks held by TaskSchedulerBa/6884: [ 369.304506] #0: (sb_writers#17){.+.+}, at: [<0000000055176a39>] mnt_want_write+0x24/0x50 [ 369.304524] #1: (&type->i_mutex_dir_key#7){++++}, at: [<0000000096dadea4>] path_openat+0x2fe/0xc80 [ 369.304543] 2 locks held by TaskSchedulerFo/6928: [ 369.304545] #0: (sb_writers#17){.+.+}, at: [<0000000055176a39>] mnt_want_write+0x24/0x50 [ 369.304563] #1: (&type->i_mutex_dir_key#7){++++}, at: [<0000000096dadea4>] path_openat+0x2fe/0xc80 [ 369.304584] 1 lock held by TaskSchedulerBa/6990: [ 369.304587] #0: (&xfs_dir_ilock_class){++++}, at: [<00000000eef0b673>] xfs_ilock+0xe6/0x210 [xfs] [ 369.304677] 4 locks held by Cache2 I/O/5016: [ 369.304680] #0: (sb_writers#17){.+.+}, at: [<0000000055176a39>] mnt_want_write+0x24/0x50 [ 369.304699] #1: (&type->i_mutex_dir_key#7){++++}, at: [<0000000096dadea4>] path_openat+0x2fe/0xc80 [ 369.304719] #2: (sb_internal#2){.+.+}, at: [<000000009192e152>] xfs_trans_alloc+0xec/0x130 [xfs] [ 369.304775] #3: (&xfs_dir_ilock_class/5){+.+.}, at: [<000000005a3ae5d1>] xfs_ilock+0x16e/0x210 [xfs] [ 369.304834] 4 locks held by QuotaManager IO/5385: [ 369.304837] #0: (sb_writers#17){.+.+}, at: [<0000000055176a39>] mnt_want_write+0x24/0x50 [ 369.304856] #1: (&type->i_mutex_dir_key#7){++++}, at: [<0000000096dadea4>] path_openat+0x2fe/0xc80 [ 369.304868] #2: (sb_internal#2){.+.+}, at: [<000000009192e152>] xfs_trans_alloc+0xec/0x130 [xfs] [ 369.304904] #3: (&xfs_dir_ilock_class/5){+.+.}, at: [<000000005a3ae5d1>] xfs_ilock+0x16e/0x210 [xfs] [ 369.304939] 4 locks held by DOM Worker/5431: [ 369.304940] #0: (sb_writers#17){.+.+}, at: [<0000000055176a39>] mnt_want_write+0x24/0x50 [ 369.304952] #1: (&type->i_mutex_dir_key#7){++++}, at: [<0000000096dadea4>] path_openat+0x2fe/0xc80 [ 369.304964] #2: (sb_internal#2){.+.+}, at: [<000000009192e152>] xfs_trans_alloc+0xec/0x130 [xfs] [ 369.304998] #3: (&xfs_dir_ilock_class/5){+.+.}, at: [<000000005a3ae5d1>] xfs_ilock+0x16e/0x210 [xfs] [ 369.305068] 4 locks held by disk_cache:0/5241: [ 369.305070] #0: (sb_writers#17){.+.+}, at: [<0000000055176a39>] mnt_want_write+0x24/0x50 [ 369.305081] #1: (&inode->i_rwsem/1){+.+.}, at: [<00000000857aa2af>] filename_create+0x83/0x160 [ 369.305093] #2: (sb_internal#2){.+.+}, at: [<000000009192e152>] xfs_trans_alloc+0xec/0x130 [xfs] [ 369.305127] #3: (&xfs_dir_ilock_class/5){+.+.}, at: [<000000005a3ae5d1>] xfs_ilock+0x16e/0x210 [xfs] [ 369.305184] 2 locks held by gitkraken/5371: [ 369.305187] #0: (&type->i_mutex_dir_key#7){++++}, at: [<00000000de6ab392>] lookup_slow+0xe5/0x220 [ 369.305209] #1: (&xfs_dir_ilock_class){++++}, at: [<00000000eef0b673>] xfs_ilock+0xe6/0x210 [xfs] [ 369.305251] 1 lock held by gitkraken/5632: [ 369.305253] #0: (&xfs_dir_ilock_class){++++}, at: [<00000000eef0b673>] xfs_ilock+0xe6/0x210 [xfs] [ 369.305297] 4 locks held by Telegram/5436: [ 369.305299] #0: (sb_writers#17){.+.+}, at: [<0000000055176a39>] mnt_want_write+0x24/0x50 [ 369.305312] #1: (&type->i_mutex_dir_key#7){++++}, at: [<0000000096dadea4>] path_openat+0x2fe/0xc80 [ 369.305324] #2: (sb_internal#2){.+.+}, at: [<000000009192e152>] xfs_trans_alloc+0xec/0x130 [xfs] [ 369.305358] #3: (&xfs_dir_ilock_class/5){+.+.}, at: [<000000005a3ae5d1>] xfs_ilock+0x16e/0x210 [xfs] [ 369.305448] =============================================