731] [] ? __kthread_parkme+0xa0/0xa0
> [ 658.238596] [] ret_from_fork+0x3f/0x70
> [ 658.239364] [] ? __kthread_parkme+0xa0/0xa0
> [ 658.240207] ---[ end trace f3b05c72d6a843fb ]---
> [ 658.240887] BTRFS: error (device loop0) in
> btrfs_create_pending_block_groups:9460: errno=-27
evice loop0) in
btrfs_create_pending_block_groups:9460: errno=-27 unknown
[ 658.242235] BTRFS info (device loop0): forced readonly
[ 658.338726] BTRFS warning (device loop0): Skipping commit of aborted
transaction.
[ 658.339629] BTRFS: error (device loop0) in cleanup_transaction:1710:
errno=-27 un