loop2: rw=536871000, want=41568, limit=16894
BTRFS error (device loop2): bdev /dev/loop2 errs: wr 1, rd 0, flush 0, corrupt 0, gen 0
BTRFS: error (device loop2) in btrfs_commit_transaction:2227: errno=-5 IO failure (Error while writing out transaction)
BTRFS warning (device loop2): Skipping commit of aborted transaction.
------------[ cut here ]------------
WARNING: CPU: 1 PID: 30745 at fs/btrfs/transaction.c:1850 cleanup_transaction+0x162/0x1a0 fs/btrfs/transaction.c:1850
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 30745 Comm: btrfs-transacti Not tainted 4.9.94-g8683408 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
ffff8801b5e4f900 ffffffff81eb0aa9 ffffffff83a484a0 00000000ffffffff
0000000000000000 0000000000000001 000000000000073a ffff8801b5e4f9c0
ffffffff8141f845 0000000041b58ab3 ffffffff841b7b48 ffffffff8141f686
Call Trace:
[<ffffffff81eb0aa9>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81eb0aa9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
[<ffffffff8141f845>] panic+0x1bf/0x3bc kernel/panic.c:179
[<ffffffff8141fb31>] __warn.cold.9+0xc1/0x17f kernel/panic.c:542
[<ffffffff811344b2>] warn_slowpath_fmt+0xc2/0x100 kernel/panic.c:565
[<ffffffff81a182c2>] cleanup_transaction+0x162/0x1a0 fs/btrfs/transaction.c:1850
[<ffffffff81a1e383>] btrfs_commit_transaction+0x1d33/0x2d00 fs/btrfs/transaction.c:2296
[<ffffffff81a0ca35>] transaction_kthread+0x4a5/0x620 fs/btrfs/disk-io.c:1997
[<ffffffff8119ad2d>] kthread+0x26d/0x300 kernel/kthread.c:211
[<ffffffff839f24dc>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373
Dumping ftrace buffer:
(ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..