Comment 15 for bug 748340

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John Lewis (jlewis-johnlewis-deactivatedaccount) wrote :

@AvitarX LZO compression is not a red herring. It only appears to happen if you have a separate btrfs file-system from root AND you have balanced it (must be some difference between the way the root filesystem and home filesystems are checked on boot).

So steps to reproduce are:-

1. Fresh install of Natty with /boot as EXT4, / as BTRFS and /home as BTRFS.

2. Change mount options in /etc/fstab to include "compress=lzo".

3. Remount (mount -o remount /home) or reboot.

4. Balance filesystem "btrfs fi balance /home" and bingo borked btrfsck :)