btrfs device delete missing always crushes and stop system. It log console only not STDOUT/STDERR or core file. This is copy from leaved message on console's last screen. ===== oops_end+0x9c/0cd0 die+0x4b/0x70 do_trap+0xb2/0x140 do_error_trap+0x89/0x110 ? update_inline_extent_backref+0x2ab/0x2b0 [btrfs] ? btrfs_set_lock_blocking_rw+0x80/0c0 [btrfs] do_invalid_op+0x20/0x30 invalid_op+0x1e/0x30 ? update_inline_extent_backref+0x2ab/0x2b0 [btrfs] ? update_inline_extent_backref+0x1e8/0x2b0 [btrfs] remove_extent_backref+0x3f/0x80 [btrfs] __btrfs_free_extent.isra.34+0x709/0x80 [btrfs] __btrfs_run_delayed_refs+0x567/0x1260 [btrfs] btrfs_run_delayed_refs+0x0x9f/0x2c0 [btrfs] delayed_ref_async_start+0x94/0xb0 [btrfs] btrfs_scrubparity_helper+0x77/0x350 btrfs_extent_refs_helper+0xe/0x10 [btrfs] ? process_one_work+0x480/0x480 kthread+0xd8/0xf0 ret_from_fork+0x1f/0x40 ? kthread_worker_fn+0x170/0x170 ===== This btrfs volume has seven disks including new blank disk and removed missing disk, and it's mounted with degraded option. --- MASAKI Yuhsuke <yek@xxxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
