And yet another
[41288.797026] INFO: task tracker-store:4535 blocked for more than 120 seconds.
[41288.797034] Not tainted 4.13.4-301.fc27.x86_64+debug #1
[41288.797037] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[41288.797041] tracker-store D10616 4535 1655 0x00000000
[41288.797049] Call Trace:
[41288.797061] __schedule+0x2dc/0xbb0
[41288.797072] ? bit_wait+0x60/0x60
[41288.797076] schedule+0x3d/0x90
[41288.797082] io_schedule+0x16/0x40
[41288.797086] bit_wait_io+0x11/0x60
[41288.797091] __wait_on_bit+0x31/0x90
[41288.797099] out_of_line_wait_on_bit+0x94/0xb0
[41288.797106] ? bit_waitqueue+0x40/0x40
[41288.797113] __block_write_begin_int+0x265/0x550
[41288.797132] iomap_write_begin.constprop.14+0x7d/0x130
[41288.797140] iomap_write_actor+0x92/0x180
[41288.797152] ? iomap_write_begin.constprop.14+0x130/0x130
[41288.797155] iomap_apply+0x9f/0x110
[41288.797165] ? iomap_write_begin.constprop.14+0x130/0x130
[41288.797169] iomap_file_buffered_write+0x6e/0xa0
[41288.797171] ? iomap_write_begin.constprop.14+0x130/0x130
[41288.797212] xfs_file_buffered_aio_write+0xdd/0x380 [xfs]
[41288.797250] xfs_file_write_iter+0x9e/0x140 [xfs]
[41288.797258] __vfs_write+0xf8/0x170
[41288.797270] vfs_write+0xc6/0x1c0
[41288.797275] SyS_pwrite64+0x98/0xc0
[41288.797284] entry_SYSCALL_64_fastpath+0x1f/0xbe
[41288.797287] RIP: 0033:0x7f357aa30163
[41288.797289] RSP: 002b:00007ffe6bef2070 EFLAGS: 00000293 ORIG_RAX:
0000000000000012
[41288.797292] RAX: ffffffffffffffda RBX: 00000000000027f7 RCX: 00007f357aa30163
[41288.797294] RDX: 0000000000001000 RSI: 0000559141745d18 RDI: 0000000000000009
[41288.797296] RBP: 0000000000010351 R08: 0000559140da78a8 R09: 000055914100c548
[41288.797298] R10: 0000000000743d90 R11: 0000000000000293 R12: 0000000000002c5e
[41288.797299] R13: 000000000000162f R14: 0000559140da77f8 R15: 0000000000000001
[41288.797329]
Showing all locks held in the system:
[41288.797338] 1 lock held by khungtaskd/65:
[41288.797341] #0: (tasklist_lock){.+.+..}, at: [<ffffffff9a114c6d>]
debug_show_all_locks+0x3d/0x1a0
[41288.797358] 1 lock held by kworker/0:1H/377:
[41288.797359] #0: (&rq->lock){-.-.-.}, at: [<ffffffff9a9a2af1>]
__schedule+0xe1/0xbb0
[41288.797452] 5 locks held by TaskSchedulerFo/6821:
[41288.797454] #0: (sb_writers#17){.+.+.+}, at: [<ffffffff9a2ccaef>]
do_sys_ftruncate.constprop.17+0xdf/0x110
[41288.797467] #1: (&sb->s_type->i_mutex_key#19){++++++}, at:
[<ffffffff9a2cc795>] do_truncate+0x65/0xc0
[41288.797480] #2: (&(&ip->i_mmaplock)->mr_lock){++++++}, at:
[<ffffffffc0a9aef9>] xfs_ilock+0x159/0x220 [xfs]
[41288.797518] #3: (sb_internal#2){.+.+.?}, at: [<ffffffffc0aad7ac>]
xfs_trans_alloc+0xec/0x130 [xfs]
[41288.797548] #4: (&xfs_nondir_ilock_class){++++--}, at:
[<ffffffffc0a9af14>] xfs_ilock+0x174/0x220 [xfs]
[41288.797610] 2 locks held by TaskSchedulerBa/7167:
[41288.797611] #0: (sb_internal#2){.+.+.?}, at: [<ffffffffc0aad7ac>]
xfs_trans_alloc+0xec/0x130 [xfs]
[41288.797646] #1: (&xfs_nondir_ilock_class){++++--}, at:
[<ffffffffc0a9af14>] xfs_ilock+0x174/0x220 [xfs]
[41288.797677] 2 locks held by TaskSchedulerFo/7174:
[41288.797678] #0: (sb_internal#2){.+.+.?}, at: [<ffffffffc0aad7ac>]
xfs_trans_alloc+0xec/0x130 [xfs]
[41288.797708] #1: (&xfs_nondir_ilock_class){++++--}, at:
[<ffffffffc0a9af14>] xfs_ilock+0x174/0x220 [xfs]
[41288.797899] 2 locks held by TaskSchedulerFo/5547:
[41288.797901] #0: (sb_writers#17){.+.+.+}, at: [<ffffffff9a2fa7d4>]
mnt_want_write+0x24/0x50
[41288.797913] #1: (&type->i_mutex_dir_key#7){++++++}, at:
[<ffffffff9a2e190a>] path_openat+0x30a/0xc80
[41288.797922] 1 lock held by TaskSchedulerFo/5605:
[41288.797923] #0: (&type->i_mutex_dir_key#7){++++++}, at:
[<ffffffff9a2dcff5>] lookup_slow+0xe5/0x220
[41288.797931] 1 lock held by TaskSchedulerFo/6638:
[41288.797932] #0: (&type->i_mutex_dir_key#7){++++++}, at:
[<ffffffff9a2dcff5>] lookup_slow+0xe5/0x220
[41288.797940] 1 lock held by TaskSchedulerFo/6830:
[41288.797941] #0: (&type->i_mutex_dir_key#7){++++++}, at:
[<ffffffff9a2dcff5>] lookup_slow+0xe5/0x220
[41288.797948] 4 locks held by TaskSchedulerFo/6832:
[41288.797949] #0: (sb_writers#17){.+.+.+}, at: [<ffffffff9a2fa7d4>]
mnt_want_write+0x24/0x50
[41288.797957] #1: (&type->i_mutex_dir_key#7){++++++}, at:
[<ffffffff9a2e190a>] path_openat+0x30a/0xc80
[41288.797964] #2: (sb_internal#2){.+.+.?}, at: [<ffffffffc0aad7ac>]
xfs_trans_alloc+0xec/0x130 [xfs]
[41288.797998] #3: (&xfs_dir_ilock_class/5){+.+...}, at:
[<ffffffffc0a9af14>] xfs_ilock+0x174/0x220 [xfs]
[41288.798027] 5 locks held by TaskSchedulerFo/6959:
[41288.798028] #0: (sb_writers#17){.+.+.+}, at: [<ffffffff9a2ccaef>]
do_sys_ftruncate.constprop.17+0xdf/0x110
[41288.798035] #1: (&sb->s_type->i_mutex_key#19){++++++}, at:
[<ffffffff9a2cc795>] do_truncate+0x65/0xc0
[41288.798042] #2: (&(&ip->i_mmaplock)->mr_lock){++++++}, at:
[<ffffffffc0a9aef9>] xfs_ilock+0x159/0x220 [xfs]
[41288.798064] #3: (sb_internal#2){.+.+.?}, at: [<ffffffffc0aad7ac>]
xfs_trans_alloc+0xec/0x130 [xfs]
[41288.798087] #4: (&xfs_nondir_ilock_class){++++--}, at:
[<ffffffffc0a9af14>] xfs_ilock+0x174/0x220 [xfs]
[41288.798110] 8 locks held by TaskSchedulerBa/7193:
[41288.798111] #0: (sb_writers#17){.+.+.+}, at: [<ffffffff9a2fa7d4>]
mnt_want_write+0x24/0x50
[41288.798118] #1: (&type->i_mutex_dir_key#7/1){+.+.+.}, at:
[<ffffffff9a2dc68a>] lock_rename+0xda/0x100
[41288.798132] #2: (&sb->s_type->i_mutex_key#19){++++++}, at:
[<ffffffff9a2f293d>] lock_two_nondirectories+0x6d/0x80
[41288.798145] #3: (&sb->s_type->i_mutex_key#19/4){+.+.+.}, at:
[<ffffffff9a2f2926>] lock_two_nondirectories+0x56/0x80
[41288.798168] #4: (sb_internal#2){.+.+.?}, at: [<ffffffffc0aad7ac>]
xfs_trans_alloc+0xec/0x130 [xfs]
[41288.798203] #5: (&xfs_dir_ilock_class){++++-.}, at:
[<ffffffffc0a9af14>] xfs_ilock+0x174/0x220 [xfs]
[41288.798230] #6: (&xfs_nondir_ilock_class){++++--}, at:
[<ffffffffc0a9b1d7>] xfs_ilock_nowait+0x197/0x270 [xfs]
[41288.798262] #7: (&xfs_nondir_ilock_class){++++--}, at:
[<ffffffffc0a9b1d7>] xfs_ilock_nowait+0x197/0x270 [xfs]
[41288.798298] 2 locks held by TaskSchedulerFo/7212:
[41288.798300] #0: (sb_internal#2){.+.+.?}, at: [<ffffffffc0aad7ac>]
xfs_trans_alloc+0xec/0x130 [xfs]
[41288.798332] #1: (&xfs_nondir_ilock_class){++++--}, at:
[<ffffffffc0a9af14>] xfs_ilock+0x174/0x220 [xfs]
[41288.798360] 1 lock held by TaskSchedulerFo/7297:
[41288.798362] #0: (&type->i_mutex_dir_key#7){++++++}, at:
[<ffffffff9a2dcff5>] lookup_slow+0xe5/0x220
[41288.798375] 1 lock held by chrome/8645:
[41288.798376] #0: (&dev->struct_mutex){+.+.+.}, at:
[<ffffffffc029b8a1>] i915_gem_close_object+0x31/0x130 [i915]
[41288.798619] 3 locks held by kworker/2:3/540:
[41288.798621] #0: ("events"){.+.+.+}, at: [<ffffffff9a0d2ac0>]
process_one_work+0x1d0/0x6a0
[41288.798632] #1: ((&dev_priv->mm.free_work)){+.+...}, at:
[<ffffffff9a0d2ac0>] process_one_work+0x1d0/0x6a0
[41288.798642] #2: (&dev->struct_mutex){+.+.+.}, at:
[<ffffffffc0298515>] __i915_gem_free_objects+0x35/0x420 [i915]
[41288.798680] 2 locks held by tracker-store/4535:
[41288.798682] #0: (sb_writers#17){.+.+.+}, at: [<ffffffff9a2cf953>]
vfs_write+0x193/0x1c0
[41288.798695] #1: (&sb->s_type->i_mutex_key#19){++++++}, at:
[<ffffffffc0a9aedb>] xfs_ilock+0x13b/0x220 [xfs]
[41288.798740] 1 lock held by gitkraken/5915:
[41288.798742] #0: (&type->i_mutex_dir_key#7){++++++}, at:
[<ffffffff9a2dcff5>] lookup_slow+0xe5/0x220
[41288.798755] 1 lock held by gitkraken/6017:
[41288.798756] #0: (&type->i_mutex_dir_key#7){++++++}, at:
[<ffffffff9a2dcff5>] lookup_slow+0xe5/0x220
[41288.798768] 1 lock held by gitkraken/6125:
[41288.798770] #0: (&type->i_mutex_dir_key#7){++++++}, at:
[<ffffffff9a2dcff5>] lookup_slow+0xe5/0x220
[41288.798788] =============================================
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