Hi!
please, help me.
[ 479.827555] INFO: task kworker/u16:2:140 blocked for more than 120 seconds.
[ 479.827558] Not tainted 4.2.5-300.fc23.x86_64+debug #1
[ 479.827559] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 479.827560] kworker/u16:2 D ffff8807fe3d76d8 11800 140 2 0x00000000
[ 479.827578] Workqueue: btrfs-endio-write btrfs_endio_write_helper [btrfs]
[ 479.827579] ffff88009c56b848 0000000000000096 ffff88009c56b818
0000000000000000
[ 479.827581] ffff8807fa32d480 ffff8807f531d480 ffff88009c56b868
ffff88009c56c000
[ 479.827583] ffff8806c347d1f0 ffff8807f531d480 ffff8807f531d480
ffff88009c56b890
[ 479.827585] Call Trace:
[ 479.827588] [<ffffffff8186c82e>] schedule+0x3e/0x90
[ 479.827597] [<ffffffffa07f54f2>] btrfs_tree_read_lock+0x102/0x160 [btrfs]
[ 479.827600] [<ffffffff810fbf60>] ? wake_atomic_t_function+0x70/0x70
[ 479.827604] [<ffffffffa0788834>] btrfs_read_lock_root_node+0x34/0x50 [btrfs]
[ 479.827608] [<ffffffffa078dbbe>] btrfs_search_slot+0x74e/0xa10 [btrfs]
[ 479.827610] [<ffffffff81109149>] ? __lock_acquire+0xcb9/0x1d00
[ 479.827616] [<ffffffffa07a88d9>] btrfs_lookup_file_extent+0x49/0x60 [btrfs]
[ 479.827622] [<ffffffffa07cb037>] __btrfs_drop_extents+0x187/0xde0 [btrfs]
[ 479.827625] [<ffffffff8124d09e>] ? kmem_cache_alloc+0x33e/0x360
[ 479.827628] [<ffffffffa07883da>] ? btrfs_alloc_path+0x1a/0x20 [btrfs]
[ 479.827634] [<ffffffffa07b99f5>]
insert_reserved_file_extent.constprop.62+0xb5/0x310 [btrfs]
[ 479.827639] [<ffffffffa07b4cbe>] ?
join_transaction.isra.12+0x10e/0x420 [btrfs]
[ 479.827645] [<ffffffffa07bfcbf>] btrfs_finish_ordered_io+0x2ff/0x650 [btrfs]
[ 479.827647] [<ffffffff81026dd9>] ? sched_clock+0x9/0x10
[ 479.827652] [<ffffffffa07c02a5>] finish_ordered_fn+0x15/0x20 [btrfs]
[ 479.827659] [<ffffffffa07ea945>] btrfs_scrubparity_helper+0xf5/0x870 [btrfs]
[ 479.827665] [<ffffffffa07eb14e>] btrfs_endio_write_helper+0xe/0x10 [btrfs]
[ 479.827667] [<ffffffff810cc442>] process_one_work+0x232/0x840
[ 479.827668] [<ffffffff810cc3ab>] ? process_one_work+0x19b/0x840
[ 479.827669] [<ffffffff8112858d>] ? debug_lockdep_rcu_enabled+0x1d/0x20
[ 479.827670] [<ffffffff810ccb25>] ? worker_thread+0xd5/0x450
[ 479.827672] [<ffffffff810cca9e>] worker_thread+0x4e/0x450
[ 479.827673] [<ffffffff810cca50>] ? process_one_work+0x840/0x840
[ 479.827674] [<ffffffff810d36e4>] kthread+0x104/0x120
[ 479.827676] [<ffffffff810d35e0>] ? kthread_create_on_node+0x250/0x250
[ 479.827678] [<ffffffff8187375f>] ret_from_fork+0x3f/0x70
[ 479.827679] [<ffffffff810d35e0>] ? kthread_create_on_node+0x250/0x250
[ 479.827680] 3 locks held by kworker/u16:2/140:
[ 479.827681] #0: ("%s-%s""btrfs", name){.+.+..}, at:
[<ffffffff810cc3ab>] process_one_work+0x19b/0x840
[ 479.827684] #1: ((&work->normal_work)){+.+...}, at:
[<ffffffff810cc3ab>] process_one_work+0x19b/0x840
[ 479.827687] #2: (sb_internal){.+.+..}, at: [<ffffffffa07b6fcc>]
start_transaction+0x41c/0x6c0 [btrfs]
[ 479.827694] INFO: task kworker/u16:3:141 blocked for more than 120 seconds.
[ 479.827695] Not tainted 4.2.5-300.fc23.x86_64+debug #1
[ 479.827695] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 479.827696] kworker/u16:3 D ffff8807fe1d76d8 11240 141 2 0x00000000
[ 479.827705] Workqueue: btrfs-endio-write btrfs_endio_write_helper [btrfs]
[ 479.827706] ffff88009c56f848 0000000000000096 ffff88009c56f818
0000000000000000
[ 479.827708] ffff8807fa32aa40 ffff8807f5318000 ffff88009c56f868
ffff88009c570000
[ 479.827709] ffff8806c347d1f0 ffff8807f5318000 ffff8807f5318000
ffff88009c56f890
[ 479.827711] Call Trace:
[ 479.827712] [<ffffffff8186c82e>] schedule+0x3e/0x90
[ 479.827719] [<ffffffffa07f54f2>] btrfs_tree_read_lock+0x102/0x160 [btrfs]
[ 479.827720] [<ffffffff810fbf60>] ? wake_atomic_t_function+0x70/0x70
[ 479.827724] [<ffffffffa0788834>] btrfs_read_lock_root_node+0x34/0x50 [btrfs]
[ 479.827728] [<ffffffffa078dbbe>] btrfs_search_slot+0x74e/0xa10 [btrfs]
[ 479.827729] [<ffffffff81109149>] ? __lock_acquire+0xcb9/0x1d00
[ 479.827735] [<ffffffffa07a88d9>] btrfs_lookup_file_extent+0x49/0x60 [btrfs]
[ 479.827741] [<ffffffffa07cb037>] __btrfs_drop_extents+0x187/0xde0 [btrfs]
[ 479.827742] [<ffffffff8124d09e>] ? kmem_cache_alloc+0x33e/0x360
[ 479.827746] [<ffffffffa07883da>] ? btrfs_alloc_path+0x1a/0x20 [btrfs]
[ 479.827751] [<ffffffffa07b99f5>]
insert_reserved_file_extent.constprop.62+0xb5/0x310 [btrfs]
[ 479.827756] [<ffffffffa07b4cbe>] ?
join_transaction.isra.12+0x10e/0x420 [btrfs]
[ 479.827761] [<ffffffffa07bfcbf>] btrfs_finish_ordered_io+0x2ff/0x650 [btrfs]
[ 479.827763] [<ffffffff81026dd9>] ? sched_clock+0x9/0x10
[ 479.827768] [<ffffffffa07c02a5>] finish_ordered_fn+0x15/0x20 [btrfs]
[ 479.827774] [<ffffffffa07ea945>] btrfs_scrubparity_helper+0xf5/0x870 [btrfs]
[ 479.827779] [<ffffffffa07eb14e>] btrfs_endio_write_helper+0xe/0x10 [btrfs]
[ 479.827780] [<ffffffff810cc442>] process_one_work+0x232/0x840
[ 479.827781] [<ffffffff810cc3ab>] ? process_one_work+0x19b/0x840
[ 479.827782] [<ffffffff8112858d>] ? debug_lockdep_rcu_enabled+0x1d/0x20
[ 479.827783] [<ffffffff810ccb25>] ? worker_thread+0xd5/0x450
[ 479.827785] [<ffffffff810cca9e>] worker_thread+0x4e/0x450
[ 479.827786] [<ffffffff810cca50>] ? process_one_work+0x840/0x840
[ 479.827787] [<ffffffff810d36e4>] kthread+0x104/0x120
[ 479.827789] [<ffffffff810d35e0>] ? kthread_create_on_node+0x250/0x250
[ 479.827790] [<ffffffff8187375f>] ret_from_fork+0x3f/0x70
[ 479.827792] [<ffffffff810d35e0>] ? kthread_create_on_node+0x250/0x250
[ 479.827793] 3 locks held by kworker/u16:3/141:
[ 479.827793] #0: ("%s-%s""btrfs", name){.+.+..}, at:
[<ffffffff810cc3ab>] process_one_work+0x19b/0x840
[ 479.827796] #1: ((&work->normal_work)){+.+...}, at:
[<ffffffff810cc3ab>] process_one_work+0x19b/0x840
[ 479.827798] #2: (sb_internal){.+.+..}, at: [<ffffffffa07b6fcc>]
start_transaction+0x41c/0x6c0 [btrfs]
[ 479.827806] INFO: task kworker/u16:7:155 blocked for more than 120 seconds.
[ 479.827806] Not tainted 4.2.5-300.fc23.x86_64+debug #1
[ 479.827807] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 479.827808] kworker/u16:7 D ffff8807fdfd76d8 11800 155 2 0x00000000
[ 479.827816] Workqueue: btrfs-endio-write btrfs_endio_write_helper [btrfs]
[ 479.827816] ffff8807f4ee7848 0000000000000096 ffff8807f4ee7818
0000000000000000
[ 479.827818] ffff8807fa328000 ffff8807f4edaa40 ffff8807f4ee7868
ffff8807f4ee8000
[ 479.827820] ffff8806c347d1f0 ffff8807f4edaa40 ffff8807f4edaa40
ffff8807f4ee7890
[ 479.827821] Call Trace:
[ 479.827823] [<ffffffff8186c82e>] schedule+0x3e/0x90
[ 479.827829] [<ffffffffa07f54f2>] btrfs_tree_read_lock+0x102/0x160 [btrfs]
[ 479.827830] [<ffffffff810fbf60>] ? wake_atomic_t_function+0x70/0x70
[ 479.827834] [<ffffffffa0788834>] btrfs_read_lock_root_node+0x34/0x50 [btrfs]
[ 479.827838] [<ffffffffa078dbbe>] btrfs_search_slot+0x74e/0xa10 [btrfs]
[ 479.827839] [<ffffffff81107f3d>] ? mark_held_locks+0x7d/0xb0
[ 479.827844] [<ffffffffa07a88d9>] btrfs_lookup_file_extent+0x49/0x60 [btrfs]
[ 479.827850] [<ffffffffa07cb037>] __btrfs_drop_extents+0x187/0xde0 [btrfs]
[ 479.827851] [<ffffffff8124d09e>] ? kmem_cache_alloc+0x33e/0x360
[ 479.827855] [<ffffffffa07883da>] ? btrfs_alloc_path+0x1a/0x20 [btrfs]
[ 479.827860] [<ffffffffa07b99f5>]
insert_reserved_file_extent.constprop.62+0xb5/0x310 [btrfs]
[ 479.827865] [<ffffffffa07b4cbe>] ?
join_transaction.isra.12+0x10e/0x420 [btrfs]
[ 479.827870] [<ffffffffa07bfcbf>] btrfs_finish_ordered_io+0x2ff/0x650 [btrfs]
[ 479.827872] [<ffffffff81026dd9>] ? sched_clock+0x9/0x10
[ 479.827876] [<ffffffffa07c02a5>] finish_ordered_fn+0x15/0x20 [btrfs]
[ 479.827882] [<ffffffffa07ea945>] btrfs_scrubparity_helper+0xf5/0x870 [btrfs]
[ 479.827888] [<ffffffffa07eb14e>] btrfs_endio_write_helper+0xe/0x10 [btrfs]
[ 479.827889] [<ffffffff810cc442>] process_one_work+0x232/0x840
[ 479.827890] [<ffffffff810cc3ab>] ? process_one_work+0x19b/0x840
[ 479.827891] [<ffffffff8112858d>] ? debug_lockdep_rcu_enabled+0x1d/0x20
[ 479.827892] [<ffffffff810ccb25>] ? worker_thread+0xd5/0x450
[ 479.827893] [<ffffffff810cca9e>] worker_thread+0x4e/0x450
[ 479.827894] [<ffffffff810cca50>] ? process_one_work+0x840/0x840
[ 479.827895] [<ffffffff810d36e4>] kthread+0x104/0x120
[ 479.827897] [<ffffffff810d35e0>] ? kthread_create_on_node+0x250/0x250
[ 479.827898] [<ffffffff8187375f>] ret_from_fork+0x3f/0x70
[ 479.827900] [<ffffffff810d35e0>] ? kthread_create_on_node+0x250/0x250
[ 479.827901] 3 locks held by kworker/u16:7/155:
[ 479.827901] #0: ("%s-%s""btrfs", name){.+.+..}, at:
[<ffffffff810cc3ab>] process_one_work+0x19b/0x840
[ 479.827904] #1: ((&work->normal_work)){+.+...}, at:
[<ffffffff810cc3ab>] process_one_work+0x19b/0x840
[ 479.827906] #2: (sb_internal){.+.+..}, at: [<ffffffffa07b6fcc>]
start_transaction+0x41c/0x6c0 [btrfs]
[ 479.827913] INFO: task kworker/u16:8:193 blocked for more than 120 seconds.
[ 479.827913] Not tainted 4.2.5-300.fc23.x86_64+debug #1
[ 479.827914] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 479.827915] kworker/u16:8 D ffff8807fddd76d8 12760 193 2 0x00000000
[ 479.827923] Workqueue: btrfs-endio-write btrfs_endio_write_helper [btrfs]
[ 479.827924] ffff88009c6af848 0000000000000096 ffff88009c6af818
0000000000000000
[ 479.827925] ffff8807f4fb0000 ffff8807f4f92a40 ffff88009c6af868
ffff88009c6b0000
[ 479.827927] ffff8806c347d1f0 ffff8807f4f92a40 ffff8807f4f92a40
ffff88009c6af890
[ 479.827928] Call Trace:
[ 479.827930] [<ffffffff8186c82e>] schedule+0x3e/0x90
[ 479.827935] [<ffffffffa07f54f2>] btrfs_tree_read_lock+0x102/0x160 [btrfs]
[ 479.827937] [<ffffffff810fbf60>] ? wake_atomic_t_function+0x70/0x70
[ 479.827940] [<ffffffffa0788834>] btrfs_read_lock_root_node+0x34/0x50 [btrfs]
[ 479.827944] [<ffffffffa078dbbe>] btrfs_search_slot+0x74e/0xa10 [btrfs]
[ 479.827946] [<ffffffff81109149>] ? __lock_acquire+0xcb9/0x1d00
[ 479.827951] [<ffffffffa07a88d9>] btrfs_lookup_file_extent+0x49/0x60 [btrfs]
[ 479.827956] [<ffffffffa07cb037>] __btrfs_drop_extents+0x187/0xde0 [btrfs]
[ 479.827958] [<ffffffff8124d09e>] ? kmem_cache_alloc+0x33e/0x360
[ 479.827961] [<ffffffffa07883da>] ? btrfs_alloc_path+0x1a/0x20 [btrfs]
[ 479.827966] [<ffffffffa07b99f5>]
insert_reserved_file_extent.constprop.62+0xb5/0x310 [btrfs]
[ 479.827971] [<ffffffffa07b4cbe>] ?
join_transaction.isra.12+0x10e/0x420 [btrfs]
[ 479.827976] [<ffffffffa07bfcbf>] btrfs_finish_ordered_io+0x2ff/0x650 [btrfs]
[ 479.827978] [<ffffffff81026dd9>] ? sched_clock+0x9/0x10
[ 479.827982] [<ffffffffa07c02a5>] finish_ordered_fn+0x15/0x20 [btrfs]
[ 479.827988] [<ffffffffa07ea945>] btrfs_scrubparity_helper+0xf5/0x870 [btrfs]
[ 479.827994] [<ffffffffa07eb14e>] btrfs_endio_write_helper+0xe/0x10 [btrfs]
[ 479.827995] [<ffffffff810cc442>] process_one_work+0x232/0x840
[ 479.827996] [<ffffffff810cc3ab>] ? process_one_work+0x19b/0x840
[ 479.827997] [<ffffffff8112858d>] ? debug_lockdep_rcu_enabled+0x1d/0x20
[ 479.827998] [<ffffffff810ccb25>] ? worker_thread+0xd5/0x450
[ 479.827999] [<ffffffff810cca9e>] worker_thread+0x4e/0x450
[ 479.828000] [<ffffffff810cca50>] ? process_one_work+0x840/0x840
[ 479.828002] [<ffffffff810d36e4>] kthread+0x104/0x120
[ 479.828004] [<ffffffff810d35e0>] ? kthread_create_on_node+0x250/0x250
[ 479.828005] [<ffffffff8187375f>] ret_from_fork+0x3f/0x70
[ 479.828006] [<ffffffff810d35e0>] ? kthread_create_on_node+0x250/0x250
[ 479.828007] 3 locks held by kworker/u16:8/193:
[ 479.828008] #0: ("%s-%s""btrfs", name){.+.+..}, at:
[<ffffffff810cc3ab>] process_one_work+0x19b/0x840
[ 479.828010] #1: ((&work->normal_work)){+.+...}, at:
[<ffffffff810cc3ab>] process_one_work+0x19b/0x840
[ 479.828013] #2: (sb_internal){.+.+..}, at: [<ffffffffa07b6fcc>]
start_transaction+0x41c/0x6c0 [btrfs]
[ 479.828026] INFO: task btrfs-transacti:808 blocked for more than 120 seconds.
[ 479.828027] Not tainted 4.2.5-300.fc23.x86_64+debug #1
[ 479.828027] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 479.828028] btrfs-transacti D ffff8807fe1d76d8 10632 808 2 0x00000080
[ 479.828031] ffff8807e3687a48 0000000000000096 ffff8807e3687a18
0000000000000000
[ 479.828032] ffff8807fa32aa40 ffff8807f74e2a40 ffff8807e3687a68
ffff8807e3688000
[ 479.828034] ffff8806c347d1f0 ffff8807f74e2a40 ffff8807f74e2a40
ffff8807e3687a90
[ 479.828036] Call Trace:
[ 479.828037] [<ffffffff8186c82e>] schedule+0x3e/0x90
[ 479.828043] [<ffffffffa07f54f2>] btrfs_tree_read_lock+0x102/0x160 [btrfs]
[ 479.828044] [<ffffffff810fbf60>] ? wake_atomic_t_function+0x70/0x70
[ 479.828048] [<ffffffffa0788834>] btrfs_read_lock_root_node+0x34/0x50 [btrfs]
[ 479.828052] [<ffffffffa078dbbe>] btrfs_search_slot+0x74e/0xa10 [btrfs]
[ 479.828058] [<ffffffffa0812c72>] ?
btrfs_delete_delayed_items+0x92/0x330 [btrfs]
[ 479.828064] [<ffffffffa0812cb8>]
btrfs_delete_delayed_items+0xd8/0x330 [btrfs]
[ 479.828066] [<ffffffff81108099>] ? trace_hardirqs_on_caller+0x129/0x1b0
[ 479.828067] [<ffffffff8110812d>] ? trace_hardirqs_on+0xd/0x10
[ 479.828072] [<ffffffffa0813934>]
__btrfs_run_delayed_items+0x504/0x600 [btrfs]
[ 479.828074] [<ffffffff81026dd9>] ? sched_clock+0x9/0x10
[ 479.828080] [<ffffffffa0814083>] btrfs_run_delayed_items+0x13/0x20 [btrfs]
[ 479.828085] [<ffffffffa07b6220>]
btrfs_commit_transaction+0x2f0/0xc80 [btrfs]
[ 479.828090] [<ffffffffa07b11a8>] transaction_kthread+0x208/0x270 [btrfs]
[ 479.828095] [<ffffffffa07b0fa0>] ?
btrfs_cleanup_transaction+0x6e0/0x6e0 [btrfs]
[ 479.828096] [<ffffffff810d36e4>] kthread+0x104/0x120
[ 479.828098] [<ffffffff810d35e0>] ? kthread_create_on_node+0x250/0x250
[ 479.828099] [<ffffffff8187375f>] ret_from_fork+0x3f/0x70
[ 479.828101] [<ffffffff810d35e0>] ? kthread_create_on_node+0x250/0x250
[ 479.828102] 2 locks held by btrfs-transacti/808:
[ 479.828102] #0: (&fs_info->transaction_kthread_mutex){+.+...},
at: [<ffffffffa07b1012>] transaction_kthread+0x72/0x270 [btrfs]
[ 479.828108] #1: (&delayed_node->mutex){+.+...}, at:
[<ffffffffa0812c72>] btrfs_delete_delayed_items+0x92/0x330 [btrfs]
[ 479.828140] INFO: task gnome-shell:2200 blocked for more than 120 seconds.
[ 479.828141] Not tainted 4.2.5-300.fc23.x86_64+debug #1
[ 479.828141] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 479.828142] gnome-shell D ffff8807fddd76d8 11688 2200 1986 0x00000000
[ 479.828145] ffff880098157c48 0000000000000096 ffff880098157c18
0000000000000000
[ 479.828146] ffffffff81e12500 ffff8807b5e42a40 ffff880098157c68
ffff880098158000
[ 479.828148] ffff8806c347d1f0 ffff8807b5e42a40 ffff8807b5e42a40
ffff880098157c90
[ 479.828150] Call Trace:
[ 479.828151] [<ffffffff8186c82e>] schedule+0x3e/0x90
[ 479.828157] [<ffffffffa07f54f2>] btrfs_tree_read_lock+0x102/0x160 [btrfs]
[ 479.828158] [<ffffffff810fbf60>] ? wake_atomic_t_function+0x70/0x70
[ 479.828162] [<ffffffffa0788834>] btrfs_read_lock_root_node+0x34/0x50 [btrfs]
[ 479.828166] [<ffffffffa078dbbe>] btrfs_search_slot+0x74e/0xa10 [btrfs]
[ 479.828167] [<ffffffff8187283b>] ? _raw_spin_unlock+0x2b/0x40
[ 479.828173] [<ffffffffa07ba999>] btrfs_real_readdir+0xe9/0x590 [btrfs]
[ 479.828175] [<ffffffff81285ee7>] iterate_dir+0x97/0x130
[ 479.828176] [<ffffffff812921fa>] ? __fget_light+0x2a/0x90
[ 479.828178] [<ffffffff81286421>] SyS_getdents+0x91/0x120
[ 479.828179] [<ffffffff81286080>] ? fillonedir+0x100/0x100
[ 479.828180] [<ffffffff8187332e>] entry_SYSCALL_64_fastpath+0x12/0x76
[ 479.828182] 1 lock held by gnome-shell/2200:
[ 479.828182] #0: (&type->i_mutex_dir_key#4){+.+.+.}, at:
[<ffffffff81285eb1>] iterate_dir+0x61/0x130
[ 479.828192] INFO: task tracker-store:2392 blocked for more than 120 seconds.
[ 479.828192] Not tainted 4.2.5-300.fc23.x86_64+debug #1
[ 479.828193] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 479.828193] tracker-store D ffff8807febd76d8 10760 2392 1 0x00000000
[ 479.828196] ffff8807ac59f678 0000000000000096 ffff8807ac59f648
0000000000000000
[ 479.828198] ffff8807fa358000 ffff8807ada62a40 ffff8807ac59f698
ffff8807ac5a0000
[ 479.828200] ffff8806c347d1f0 ffff8807ada62a40 ffff8807ada62a40
ffff8807ac59f6c0
[ 479.828201] Call Trace:
[ 479.828202] [<ffffffff8186c82e>] schedule+0x3e/0x90
[ 479.828208] [<ffffffffa07f54f2>] btrfs_tree_read_lock+0x102/0x160 [btrfs]
[ 479.828209] [<ffffffff810fbf60>] ? wake_atomic_t_function+0x70/0x70
[ 479.828213] [<ffffffffa0788834>] btrfs_read_lock_root_node+0x34/0x50 [btrfs]
[ 479.828217] [<ffffffffa078dbbe>] btrfs_search_slot+0x74e/0xa10 [btrfs]
[ 479.828222] [<ffffffffa07a88d9>] btrfs_lookup_file_extent+0x49/0x60 [btrfs]
[ 479.828227] [<ffffffffa07bb2ab>] btrfs_get_extent+0x16b/0xc40 [btrfs]
[ 479.828228] [<ffffffff8112858d>] ? debug_lockdep_rcu_enabled+0x1d/0x20
[ 479.828230] [<ffffffff8187283b>] ? _raw_spin_unlock+0x2b/0x40
[ 479.828236] [<ffffffffa07d9cb2>] __do_readpage+0x1c2/0x940 [btrfs]
[ 479.828237] [<ffffffff81026dd9>] ? sched_clock+0x9/0x10
[ 479.828239] [<ffffffff810e7e3c>] ? local_clock+0x1c/0x20
[ 479.828240] [<ffffffff818728c0>] ? _raw_spin_unlock_irq+0x30/0x50
[ 479.828246] [<ffffffffa07bb140>] ?
btrfs_writepage_end_io_hook+0x300/0x300 [btrfs]
[ 479.828247] [<ffffffff8110812d>] ? trace_hardirqs_on+0xd/0x10
[ 479.828253] [<ffffffffa07da7f4>]
__extent_readpages.constprop.40+0x2c4/0x2e0 [btrfs]
[ 479.828255] [<ffffffff811e3118>] ? __add_to_page_cache_locked+0x408/0x470
[ 479.828260] [<ffffffffa07bb140>] ?
btrfs_writepage_end_io_hook+0x300/0x300 [btrfs]
[ 479.828266] [<ffffffffa07daebe>] extent_readpages+0x1de/0x1f0 [btrfs]
[ 479.828271] [<ffffffffa07bb140>] ?
btrfs_writepage_end_io_hook+0x300/0x300 [btrfs]
[ 479.828272] [<ffffffff811e1eb5>] ? __page_cache_alloc+0x135/0x150
[ 479.828274] [<ffffffff81026dd9>] ? sched_clock+0x9/0x10
[ 479.828275] [<ffffffff811e1eb5>] ? __page_cache_alloc+0x135/0x150
[ 479.828280] [<ffffffffa07b8a6f>] btrfs_readpages+0x1f/0x30 [btrfs]
[ 479.828281] [<ffffffff811f427f>] __do_page_cache_readahead+0x2af/0x330
[ 479.828282] [<ffffffff811f414d>] ? __do_page_cache_readahead+0x17d/0x330
[ 479.828284] [<ffffffff81026d68>] ? native_sched_clock+0x28/0x90
[ 479.828285] [<ffffffff811f456b>] ondemand_readahead+0x26b/0x460
[ 479.828286] [<ffffffff811f4447>] ? ondemand_readahead+0x147/0x460
[ 479.828288] [<ffffffff811f4881>] page_cache_sync_readahead+0x31/0x50
[ 479.828289] [<ffffffff811e450e>] generic_file_read_iter+0x4fe/0x610
[ 479.828291] [<ffffffff81107f3d>] ? mark_held_locks+0x7d/0xb0
[ 479.828292] [<ffffffff8126fd5c>] __vfs_read+0xcc/0x100
[ 479.828294] [<ffffffff8127067a>] vfs_read+0x8a/0x140
[ 479.828295] [<ffffffff81271428>] SyS_read+0x58/0xd0
[ 479.828296] [<ffffffff8187332e>] entry_SYSCALL_64_fastpath+0x12/0x76
[ 479.828298] 1 lock held by tracker-store/2392:
[ 479.828298] #0: (&f->f_pos_lock){+.+.+.}, at:
[<ffffffff81293089>] __fdget_pos+0x49/0x50
[ 479.828308] INFO: task firefox:2910 blocked for more than 120 seconds.
[ 479.828309] Not tainted 4.2.5-300.fc23.x86_64+debug #1
[ 479.828310] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 479.828310] firefox D ffff8807fddd76d8 11200 2910 2736 0x00000004
[ 479.828313] ffff8807808179f8 0000000000000092 ffff8807808179c8
0000000000000000
[ 479.828315] ffffffff81e12500 ffff8800983c5480 ffff880780817a18
ffff880780818000
[ 479.828316] ffff8806c347d1f0 ffff8800983c5480 ffff8800983c5480
ffff880780817a40
[ 479.828318] Call Trace:
[ 479.828319] [<ffffffff8186c82e>] schedule+0x3e/0x90
[ 479.828325] [<ffffffffa07f54f2>] btrfs_tree_read_lock+0x102/0x160 [btrfs]
[ 479.828327] [<ffffffff810fbf60>] ? wake_atomic_t_function+0x70/0x70
[ 479.828330] [<ffffffffa0788834>] btrfs_read_lock_root_node+0x34/0x50 [btrfs]
[ 479.828334] [<ffffffffa078dbbe>] btrfs_search_slot+0x74e/0xa10 [btrfs]
[ 479.828337] [<ffffffff813c7020>] ? crypto_shash_update+0x30/0xe0
[ 479.828342] [<ffffffffa07a7ad8>] btrfs_lookup_dir_item+0x78/0xc0 [btrfs]
[ 479.828347] [<ffffffffa07c4022>] btrfs_lookup_dentry+0xb2/0x510 [btrfs]
[ 479.828349] [<ffffffff8187283b>] ? _raw_spin_unlock+0x2b/0x40
[ 479.828354] [<ffffffffa07c4496>] btrfs_lookup+0x16/0x40 [btrfs]
[ 479.828355] [<ffffffff8127f3f0>] ? walk_component+0x1d0/0x2a0
[ 479.828356] [<ffffffff8127ae3d>] lookup_real+0x1d/0x60
[ 479.828357] [<ffffffff8127be22>] __lookup_hash+0x42/0x60
[ 479.828359] [<ffffffff8127f3ff>] walk_component+0x1df/0x2a0
[ 479.828360] [<ffffffff8127ec72>] ? path_init+0x552/0x7f0
[ 479.828361] [<ffffffff8127ec2a>] ? path_init+0x50a/0x7f0
[ 479.828363] [<ffffffff8144091d>] ? debug_check_no_obj_freed+0xbd/0x250
[ 479.828364] [<ffffffff8127fb2d>] path_lookupat+0x5d/0x110
[ 479.828365] [<ffffffff812816e9>] filename_lookup+0xa9/0x180
[ 479.828367] [<ffffffff8124d09e>] ? kmem_cache_alloc+0x33e/0x360
[ 479.828368] [<ffffffff812812f6>] ? getname_flags+0x56/0x1f0
[ 479.828369] [<ffffffff8128189a>] user_path_at_empty+0x3a/0x50
[ 479.828371] [<ffffffff8126e959>] SyS_access+0xb9/0x250
[ 479.828373] [<ffffffff81003044>] ? lockdep_sys_exit_thunk+0x12/0x14
[ 479.828374] [<ffffffff8187332e>] entry_SYSCALL_64_fastpath+0x12/0x76
[ 479.828375] 1 lock held by firefox/2910:
[ 479.828376] #0: (&type->i_mutex_dir_key#4){+.+.+.}, at:
[<ffffffff8127f3f0>] walk_component+0x1d0/0x2a0
[ 479.828381] INFO: task Cache2 I/O:2943 blocked for more than 120 seconds.
[ 479.828382] Not tainted 4.2.5-300.fc23.x86_64+debug #1
[ 479.828382] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 479.828383] Cache2 I/O D ffff8807fe9d76d8 11384 2943 2736 0x00000000
[ 479.828386] ffff880092ad3678 0000000000000096 ffff880092ad3648
0000000000000000
[ 479.828387] ffff8807fa345480 ffff88009618d480 ffff880092ad3698
ffff880092ad4000
[ 479.828389] ffff8806c347d1f0 ffff88009618d480 ffff88009618d480
ffff880092ad36c0
[ 479.828390] Call Trace:
[ 479.828392] [<ffffffff8186c82e>] schedule+0x3e/0x90
[ 479.828397] [<ffffffffa07f54f2>] btrfs_tree_read_lock+0x102/0x160 [btrfs]
[ 479.828399] [<ffffffff810fbf60>] ? wake_atomic_t_function+0x70/0x70
[ 479.828402] [<ffffffffa0788834>] btrfs_read_lock_root_node+0x34/0x50 [btrfs]
[ 479.828406] [<ffffffffa078dbbe>] btrfs_search_slot+0x74e/0xa10 [btrfs]
[ 479.828411] [<ffffffffa07a88d9>] btrfs_lookup_file_extent+0x49/0x60 [btrfs]
[ 479.828416] [<ffffffffa07bb2ab>] btrfs_get_extent+0x16b/0xc40 [btrfs]
[ 479.828417] [<ffffffff8112858d>] ? debug_lockdep_rcu_enabled+0x1d/0x20
[ 479.828419] [<ffffffff8187283b>] ? _raw_spin_unlock+0x2b/0x40
[ 479.828425] [<ffffffffa07d9cb2>] __do_readpage+0x1c2/0x940 [btrfs]
[ 479.828426] [<ffffffff81026dd9>] ? sched_clock+0x9/0x10
[ 479.828428] [<ffffffff810e7e3c>] ? local_clock+0x1c/0x20
[ 479.828429] [<ffffffff818728c0>] ? _raw_spin_unlock_irq+0x30/0x50
[ 479.828434] [<ffffffffa07bb140>] ?
btrfs_writepage_end_io_hook+0x300/0x300 [btrfs]
[ 479.828436] [<ffffffff8110812d>] ? trace_hardirqs_on+0xd/0x10
[ 479.828442] [<ffffffffa07da7f4>]
__extent_readpages.constprop.40+0x2c4/0x2e0 [btrfs]
[ 479.828443] [<ffffffff811e3118>] ? __add_to_page_cache_locked+0x408/0x470
[ 479.828448] [<ffffffffa07bb140>] ?
btrfs_writepage_end_io_hook+0x300/0x300 [btrfs]
[ 479.828454] [<ffffffffa07daebe>] extent_readpages+0x1de/0x1f0 [btrfs]
[ 479.828459] [<ffffffffa07bb140>] ?
btrfs_writepage_end_io_hook+0x300/0x300 [btrfs]
[ 479.828460] [<ffffffff81026dd9>] ? sched_clock+0x9/0x10
[ 479.828461] [<ffffffff810e7e3c>] ? local_clock+0x1c/0x20
[ 479.828462] [<ffffffff8112858d>] ? debug_lockdep_rcu_enabled+0x1d/0x20
[ 479.828465] [<ffffffff81426220>] ? __radix_tree_lookup+0xc0/0x110
[ 479.828469] [<ffffffffa07b8a6f>] btrfs_readpages+0x1f/0x30 [btrfs]
[ 479.828471] [<ffffffff811f427f>] __do_page_cache_readahead+0x2af/0x330
[ 479.828472] [<ffffffff811f414d>] ? __do_page_cache_readahead+0x17d/0x330
[ 479.828473] [<ffffffff810e7e3c>] ? local_clock+0x1c/0x20
[ 479.828474] [<ffffffff811f43e3>] ondemand_readahead+0xe3/0x460
[ 479.828476] [<ffffffff811e325d>] ? pagecache_get_page+0x2d/0x200
[ 479.828477] [<ffffffff811f4881>] page_cache_sync_readahead+0x31/0x50
[ 479.828478] [<ffffffff811e450e>] generic_file_read_iter+0x4fe/0x610
[ 479.828480] [<ffffffff81107f3d>] ? mark_held_locks+0x7d/0xb0
[ 479.828481] [<ffffffff8126fd5c>] __vfs_read+0xcc/0x100
[ 479.828482] [<ffffffff8127067a>] vfs_read+0x8a/0x140
[ 479.828483] [<ffffffff81271428>] SyS_read+0x58/0xd0
[ 479.828485] [<ffffffff8187332e>] entry_SYSCALL_64_fastpath+0x12/0x76
[ 479.828486] 1 lock held by Cache2 I/O/2943:
[ 479.828486] #0: (&f->f_pos_lock){+.+.+.}, at:
[<ffffffff81293089>] __fdget_pos+0x49/0x50
[ 479.828491] INFO: task mozStorage #2:3046 blocked for more than 120 seconds.
[ 479.828492] Not tainted 4.2.5-300.fc23.x86_64+debug #1
[ 479.828493] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 479.828493] mozStorage #2 D ffff8807fe7d76d8 12904 3046 2736 0x00000000
[ 479.828497] ffff880779b0fb68 0000000000000092 ffff880779b0fb38
0000000000000000
[ 479.828498] ffff8807fa342a40 ffff880779898000 ffff880779b0fb88
ffff880779b10000
[ 479.828500] ffff8806c347d1f0 ffff880779898000 ffff880779898000
ffff880779b0fbb0
[ 479.828502] Call Trace:
[ 479.828503] [<ffffffff8186c82e>] schedule+0x3e/0x90
[ 479.828509] [<ffffffffa07f54f2>] btrfs_tree_read_lock+0x102/0x160 [btrfs]
[ 479.828510] [<ffffffff810fbf60>] ? wake_atomic_t_function+0x70/0x70
[ 479.828514] [<ffffffffa0788834>] btrfs_read_lock_root_node+0x34/0x50 [btrfs]
[ 479.828518] [<ffffffffa078dbbe>] btrfs_search_slot+0x74e/0xa10 [btrfs]
[ 479.828522] [<ffffffffa078f7c1>] btrfs_insert_empty_items+0x71/0xc0 [btrfs]
[ 479.828525] [<ffffffffa07883da>] ? btrfs_alloc_path+0x1a/0x20 [btrfs]
[ 479.828531] [<ffffffffa07f5be7>] btrfs_insert_orphan_item+0x67/0xa0 [btrfs]
[ 479.828560] [<ffffffffa07bc668>] btrfs_orphan_add+0xc8/0x1e0 [btrfs]
[ 479.828566] [<ffffffffa07c29ca>] btrfs_setattr+0x1aa/0x360 [btrfs]
[ 479.828567] [<ffffffff81291425>] notify_change+0x245/0x360
[ 479.828569] [<ffffffff8126e1a7>] do_truncate+0x77/0xc0
[ 479.828571] [<ffffffff8126e4fd>] ? do_sys_ftruncate.constprop.13+0xdd/0x160
[ 479.828572] [<ffffffff8126e532>] do_sys_ftruncate.constprop.13+0x112/0x160
[ 479.828574] [<ffffffff81003044>] ? lockdep_sys_exit_thunk+0x12/0x14
[ 479.828576] [<ffffffff8126e5be>] SyS_ftruncate+0xe/0x10
[ 479.828577] [<ffffffff8187332e>] entry_SYSCALL_64_fastpath+0x12/0x76
[ 479.828579] 3 locks held by mozStorage #2/3046:
[ 479.828579] #0: (sb_writers#16){.+.+.+}, at: [<ffffffff8126e4fd>]
do_sys_ftruncate.constprop.13+0xdd/0x160
[ 479.828582] #1: (&sb->s_type->i_mutex_key#19){+.+.+.}, at:
[<ffffffff8126e199>] do_truncate+0x69/0xc0
[ 479.828586] #2: (sb_internal){.+.+..}, at: [<ffffffffa07b6fcc>]
start_transaction+0x41c/0x6c0 [btrfs]
[ 502.886801] [drm:drm_mode_addfb2] [FB:72]
[ 502.886815] [drm:drm_mode_setcrtc] [CRTC:21]
--
Best Regards,
Mike Gavrilov.
--
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