[  579.965530] BTRFS warning (device sda3): checksum error at logical 419055616 on dev /dev/sda3, sector 818468: metadata leaf (level 0) in tree 5
[  579.965548] BTRFS warning (device sda3): checksum error at logical 419055616 on dev /dev/sda3, sector 818468: metadata leaf (level 0) in tree 5
[  579.965561] BTRFS error (device sda3): bdev /dev/sda3 errs: wr 0, rd 0, flush 0, corrupt 2, gen 0
[  579.968294] BTRFS error (device sda3): unable to fixup (regular) error at logical 419055616 on dev /dev/sda3
[  840.646906] INFO: task btrfs-transacti:132 blocked for more than 120 seconds.
[  840.651705]       Not tainted 4.6.4-1-ARCH #1
[  840.656527] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  840.661409] btrfs-transacti D ffff8800c27f7d78     0   132      2 0x00000000
[  840.661419]  ffff8800c27f7d78 0001000000000008 ffff880215a39a00 ffff880215482700
[  840.661424]  ffff8800c27f8000 ffff880215a96d20 ffff880215a96ce8 ffff8800c27f7db8
[  840.661429]  0000000000000000 ffff8800c27f7d90 ffffffff815c37bc ffff880215a96000
[  840.661434] Call Trace:
[  840.661448]  [<ffffffff815c37bc>] schedule+0x3c/0x90
[  840.661481]  [<ffffffffa0258221>] btrfs_scrub_pause+0x91/0x100 [btrfs]
[  840.661488]  [<ffffffff810bd490>] ? wake_atomic_t_function+0x60/0x60
[  840.661511]  [<ffffffffa01f63d6>] btrfs_commit_transaction+0x376/0xb40 [btrfs]
[  840.661533]  [<ffffffffa01f6c33>] ? start_transaction+0x93/0x4c0 [btrfs]
[  840.661556]  [<ffffffffa01f168a>] transaction_kthread+0x1ca/0x1f0 [btrfs]
[  840.661579]  [<ffffffffa01f14c0>] ? btrfs_cleanup_transaction+0x5a0/0x5a0 [btrfs]
[  840.661585]  [<ffffffff81099998>] kthread+0xd8/0xf0
[  840.661590]  [<ffffffff815c7442>] ret_from_fork+0x22/0x40
[  840.661595]  [<ffffffff810998c0>] ? kthread_worker_fn+0x170/0x170
[  840.661600] INFO: task systemd-journal:157 blocked for more than 120 seconds.
[  840.664047]       Not tainted 4.6.4-1-ARCH #1
[  840.666442] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  840.668925] systemd-journal D ffff880214487d20     0   157      1 0x00000004
[  840.668931]  ffff880214487d20 0000000022e7c000 ffff8800b7488d00 ffff88007fc9e800
[  840.668936]  ffff880214488000 ffff88021441c1f0 ffff88021441c000 ffff88021441c1f0
[  840.668941]  0000000000000001 ffff880214487d38 ffffffff815c37bc ffff88021523ea20
[  840.668946] Call Trace:
[  840.668951]  [<ffffffff815c37bc>] schedule+0x3c/0x90
[  840.668975]  [<ffffffffa01f546a>] wait_current_trans.isra.9+0xca/0x110 [btrfs]
[  840.668980]  [<ffffffff810bd490>] ? wake_atomic_t_function+0x60/0x60
[  840.669003]  [<ffffffffa01f6e5c>] start_transaction+0x2bc/0x4c0 [btrfs]
[  840.669026]  [<ffffffffa01f7078>] btrfs_start_transaction+0x18/0x20 [btrfs]
[  840.669048]  [<ffffffffa0202d73>] btrfs_setattr+0x1e3/0x370 [btrfs]
[  840.669054]  [<ffffffff81213422>] notify_change+0x212/0x370
[  840.669059]  [<ffffffff811f4df3>] do_truncate+0x73/0xc0
[  840.669064]  [<ffffffff811f5157>] do_sys_ftruncate.constprop.2+0x117/0x120
[  840.669069]  [<ffffffff811f519e>] SyS_ftruncate+0xe/0x10
[  840.669073]  [<ffffffff815c7232>] entry_SYSCALL_64_fastpath+0x1a/0xa4
[  840.669110] INFO: task btrfs:570 blocked for more than 120 seconds.
[  840.671653]       Not tainted 4.6.4-1-ARCH #1
[  840.674200] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  840.676821] btrfs           D ffff8800b67efbb0     0   570      1 0x00000000
[  840.676827]  ffff8800b67efbb0 0000000022a3c000 ffff880214b4b400 ffff8800b672db00
[  840.676832]  ffff8800b67f0000 ffff88021441c1f0 ffff88021441c000 ffff88021441c1f0
[  840.676837]  0000000000000001 ffff8800b67efbc8 ffffffff815c37bc ffff88021523ea20
[  840.676842] Call Trace:
[  840.676848]  [<ffffffff815c37bc>] schedule+0x3c/0x90
[  840.676873]  [<ffffffffa01f546a>] wait_current_trans.isra.9+0xca/0x110 [btrfs]
[  840.676878]  [<ffffffff810bd490>] ? wake_atomic_t_function+0x60/0x60
[  840.676900]  [<ffffffffa01f6e5c>] start_transaction+0x2bc/0x4c0 [btrfs]
[  840.676922]  [<ffffffffa01f7078>] btrfs_start_transaction+0x18/0x20 [btrfs]
[  840.676945]  [<ffffffffa020643a>] btrfs_create+0x4a/0x200 [btrfs]
[  840.676950]  [<ffffffff81205060>] vfs_create+0x90/0xd0
[  840.676954]  [<ffffffff8120623c>] path_openat+0x119c/0x1290
[  840.676978]  [<ffffffffa02254dd>] ? btrfs_find_device+0x4d/0x70 [btrfs]
[  840.677000]  [<ffffffffa0231dca>] ? btrfs_ioctl+0x78a/0x2220 [btrfs]
[  840.677005]  [<ffffffff81207721>] do_filp_open+0x91/0x100
[  840.677010]  [<ffffffff81214679>] ? __alloc_fd+0xc9/0x180
[  840.677015]  [<ffffffff811f5ea7>] do_sys_open+0x147/0x210
[  840.677019]  [<ffffffff811f5f8e>] SyS_open+0x1e/0x20
[  840.677024]  [<ffffffff815c7232>] entry_SYSCALL_64_fastpath+0x1a/0xa4
[  840.677032] INFO: task btrfs:600 blocked for more than 120 seconds.
[  840.679686]       Not tainted 4.6.4-1-ARCH #1
[  840.682376] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  840.685142] btrfs           D ffff8801fdb2bb28     0   600    479 0x00000004
[  840.685148]  ffff8801fdb2bb28 00ff88021effbb00 ffff880215a39a00 ffff8800b672e800
[  840.685152]  ffff8801fdb2c000 ffff8802044bd69c ffff8800b672e800 00000000ffffffff
[  840.685157]  ffff8802044bd6a0 ffff8801fdb2bb40 ffffffff815c37bc ffff8802044bd698
[  840.685161] Call Trace:
[  840.685167]  [<ffffffff815c37bc>] schedule+0x3c/0x90
[  840.685171]  [<ffffffff815c3b65>] schedule_preempt_disabled+0x15/0x20
[  840.685175]  [<ffffffff815c501e>] __mutex_lock_slowpath+0xce/0x140
[  840.685179]  [<ffffffff815c50a7>] mutex_lock+0x17/0x30
[  840.685184]  [<ffffffff812017fd>] lookup_slow+0x2d/0xe0
[  840.685188]  [<ffffffff81204473>] walk_component+0x1e3/0x2a0
[  840.685193]  [<ffffffff81204c17>] path_lookupat+0x67/0x120
[  840.685196]  [<ffffffff81206b4d>] filename_lookup+0xad/0x140
[  840.685203]  [<ffffffff811d4b00>] ? kmem_cache_alloc+0x100/0x1e0
[  840.685207]  [<ffffffff81206692>] ? getname_kernel+0x32/0xe0
[  840.685210]  [<ffffffff81206c0b>] kern_path+0x2b/0x30
[  840.685215]  [<ffffffff81561395>] unix_find_other+0x45/0x200
[  840.685220]  [<ffffffff815639e8>] unix_stream_connect+0x108/0x450
[  840.685225]  [<ffffffff814a0608>] SyS_connect+0x78/0xf0
[  840.685231]  [<ffffffff815c7232>] entry_SYSCALL_64_fastpath+0x1a/0xa4
[  850.351570] systemd[1]: systemd-journald.service: State 'stop-sigabrt' timed out. Terminating.