Dear list, I refer to this bug report:
I have exactly the same situation at boot, and this didn't happend before. Form my kernel.log:
Jul 3 16:27:01 localhost kernel: [ 240.373550] INFO: task btrfs-transacti:353 blocked for more than 120 seconds. Jul 3 16:27:01 localhost kernel: [ 240.373554] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Jul 3 16:27:01 localhost kernel: [ 240.373557] btrfs-transacti D ffff880402ae3b58 0 353 2 0x00000000 Jul 3 16:27:01 localhost kernel: [ 240.373562] ffff880402bc3c80 0000000000000046 ffff880402ae3790 ffff880402bc3fd8 Jul 3 16:27:01 localhost kernel: [ 240.373568] ffff880402bc3fd8 ffff880402bc3fd8 ffff880408daa7b0 ffff880402ae3790 Jul 3 16:27:01 localhost kernel: [ 240.373580] ffff88041f493740 0000000000013740 ffff880400000000 ffff880402bc3bc8 Jul 3 16:27:01 localhost kernel: [ 240.373583] Call Trace: Jul 3 16:27:01 localhost kernel: [ 240.373590] [<ffffffff81013580>] ? __switch_to+0x120/0x410 Jul 3 16:27:01 localhost kernel: [ 240.373595] [<ffffffff81468b29>] schedule+0x29/0x70 Jul 3 16:27:01 localhost kernel: [ 240.373598] [<ffffffff81468df7>] schedule_preempt_disabled+0x27/0x40 Jul 3 16:27:01 localhost kernel: [ 240.373600] [<ffffffff814674a8>] __mutex_lock_slowpath+0x148/0x340 Jul 3 16:27:01 localhost kernel: [ 240.373603] [<ffffffff814676b6>] mutex_lock+0x16/0x30 Jul 3 16:27:01 localhost kernel: [ 240.373625] [<ffffffffa013d2bb>] btrfs_run_ordered_operations+0x3b/0x210 [btrfs] Jul 3 16:27:01 localhost kernel: [ 240.373636] [<ffffffffa011d3a4>] btrfs_commit_transaction+0x74/0xaa0 [btrfs] Jul 3 16:27:01 localhost kernel: [ 240.373646] [<ffffffffa011ca4c>] ? join_transaction.isra.22+0x2dc/0x310 [btrfs] Jul 3 16:27:01 localhost kernel: [ 240.373650] [<ffffffff81073b60>] ? abort_exclusive_wait+0xb0/0xb0 Jul 3 16:27:01 localhost kernel: [ 240.373660] [<ffffffffa0115e25>] transaction_kthread+0x235/0x2b0 [btrfs] Jul 3 16:27:01 localhost kernel: [ 240.373669] [<ffffffffa0115bf0>] ? btrfs_alloc_root+0x50/0x50 [btrfs] Jul 3 16:27:01 localhost kernel: [ 240.373671] [<ffffffff810731d3>] kthread+0x93/0xa0 Jul 3 16:27:01 localhost kernel: [ 240.373674] [<ffffffff8146bbe4>] kernel_thread_helper+0x4/0x10 Jul 3 16:27:01 localhost kernel: [ 240.373677] [<ffffffff81073140>] ? kthread_freezable_should_stop+0x70/0x70 Jul 3 16:27:01 localhost kernel: [ 240.373680] [<ffffffff8146bbe0>] ? gs_change+0x13/0x13
Is it really a bug, or did I miss something or did something wrong? TY for any advise.