On Oct 14, 2013, at 1:21 PM, Chris Murphy <li...@colorremedies.com> wrote:
> When /boot is on btrfs, and the default subvolume is changed, it makes the > system unbootable. The basic configuration is subvolumes: boot, root, home, > on one btrfs volume single device. The installer doesn't change the default > subvolume, it remains ID 5. > > If I change the default subvolume and reboot, I get a grub rescue prompt. > This means core.img in the MBR gap was found, but > /boot/grub/i386-pc/normal.mod could not be found. What's interesting is, at > the grub rescue prompt, 'set' returns: > > prefix=(hd0,msdos1)/boot/grub2 > root=hd0,msdos1 > > This appears to be a full path name, so it should always start from top level > regardless of the set-default subvolume, correct? Yet it's behaving relative > to the default subvolume. If I use 'ls (hd0,msdos1)' I'm returned the > contents of the subvolume I've set as default, which explains why bootability > is broken. Looks like what I'm experiencing is unintended. If a developer or someone more knowledgable than me can respond to the questions on grub-devel@ it would be very helpful so this can get fixed. http://lists.gnu.org/archive/html/grub-devel/2013-10/msg00038.html Chris Murphy-- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html