[Bug 450260] [NEW] grub-probe fails with btrfs root (and ext3 /boot)

[Jeff Waugh]

Public bug reported:

Binary package hint: grub2

grub-probe (and thus, update-grub) fails with a btrfs root, seemingly
because it can't identify the type of filesystem. Although I can
manually fix up /boot/grub/grub.cfg in order to boot (which works as
expected), lack of update-grub love is inconvenient. ;-)

jdub at fehung:~$ sudo update-grub
grub-probe: error: cannot find a device for /.

jdub at fehung:~$ sudo grub-probe /
grub-probe: error: cannot find a device for /.

jdub at fehung:~$ mount | grep ^/
/dev/sda2 on / type btrfs (rw,errors=remount-ro)
/dev/sda1 on /boot type ext3 (rw,relatime,errors=remount-ro)

ProblemType: Bug
Architecture: i386
Date: Tue Oct 13 21:54:20 2009
DistroRelease: Ubuntu 9.10
Package: grub2 (not installed)
ProcEnviron:
 LANGUAGE=en_AU.UTF-8
 PATH=(custom, user)
 LANG=en_AU.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-13.44-generic
SourcePackage: grub2
Uname: Linux 2.6.31-13-generic i686

** Affects: grub2 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386

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grub-probe fails with btrfs root (and ext3 /boot)
https://bugs.launchpad.net/bugs/450260
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