Public bug reported:
Binary package hint: grub2
update-grub is failing
Reason is in 00_header:
/usr/sbin/grub-probe --device /dev/md1 --target=fs
/usr/sbin/grub-probe: error: unknown filesystem.
mdadm -Q /dev/md1
/dev/md1: 1463.81MiB raid5 4 devices, 0 spares.
/dev/md1 on /boot type ext4 (rw,relatime)
/usr/sbin/grub-probe --verbose --verbose --device /dev/md1 --target=fs
....
/build/buildd/grub2-1.98/kern/disk.c:245: Opening `md1'...
/build/buildd/grub2-1.98/disk/raid.c:134: md1: total_devs=4, disk_size=140017536
/build/buildd/grub2-1.98/disk/raid.c:163: md1: level=5, total_sectors=420052608
/build/buildd/grub2-1.98/kern/fs.c:84: Detecting afs...
/build/buildd/grub2-1.98/kern/fs.c:90: afs detection failed.
/build/buildd/grub2-1.98/kern/fs.c:84: Detecting afs_be...
/build/buildd/grub2-1.98/kern/fs.c:90: afs_be detection failed.
/build/buildd/grub2-1.98/kern/fs.c:84: Detecting befs...
/build/buildd/grub2-1.98/kern/fs.c:90: befs detection failed.
/build/buildd/grub2-1.98/kern/fs.c:84: Detecting befs_be...
/build/buildd/grub2-1.98/kern/fs.c:90: befs_be detection failed.
/build/buildd/grub2-1.98/kern/fs.c:84: Detecting xfs...
/build/buildd/grub2-1.98/kern/fs.c:90: xfs detection failed.
/build/buildd/grub2-1.98/kern/fs.c:84: Detecting ufs1...
/build/buildd/grub2-1.98/kern/fs.c:90: ufs1 detection failed.
/build/buildd/grub2-1.98/kern/fs.c:84: Detecting ufs2...
/build/buildd/grub2-1.98/kern/fs.c:90: ufs2 detection failed.
/build/buildd/grub2-1.98/kern/fs.c:84: Detecting sfs...
/build/buildd/grub2-1.98/kern/fs.c:90: sfs detection failed.
/build/buildd/grub2-1.98/kern/fs.c:84: Detecting reiserfs...
/build/buildd/grub2-1.98/kern/fs.c:90: reiserfs detection failed.
/build/buildd/grub2-1.98/kern/fs.c:84: Detecting ntfs...
/build/buildd/grub2-1.98/kern/fs.c:90: ntfs detection failed.
/build/buildd/grub2-1.98/kern/fs.c:84: Detecting minix...
/build/buildd/grub2-1.98/kern/fs.c:90: minix detection failed.
/build/buildd/grub2-1.98/kern/fs.c:84: Detecting jfs...
/build/buildd/grub2-1.98/kern/fs.c:90: jfs detection failed.
/build/buildd/grub2-1.98/kern/fs.c:84: Detecting udf...
/build/buildd/grub2-1.98/kern/fs.c:90: udf detection failed.
/build/buildd/grub2-1.98/kern/fs.c:84: Detecting iso9660...
/build/buildd/grub2-1.98/kern/fs.c:90: iso9660 detection failed.
/build/buildd/grub2-1.98/kern/fs.c:84: Detecting hfsplus...
/build/buildd/grub2-1.98/kern/fs.c:90: hfsplus detection failed.
/build/buildd/grub2-1.98/kern/fs.c:84: Detecting hfs...
/build/buildd/grub2-1.98/kern/fs.c:90: hfs detection failed.
/build/buildd/grub2-1.98/kern/fs.c:84: Detecting ext2...
/build/buildd/grub2-1.98/kern/fs.c:90: ext2 detection failed.
<-- look here
/build/buildd/grub2-1.98/kern/fs.c:84: Detecting fat...
/build/buildd/grub2-1.98/kern/fs.c:90: fat detection failed.
/build/buildd/grub2-1.98/kern/fs.c:84: Detecting cpiofs...
/build/buildd/grub2-1.98/kern/fs.c:90: cpiofs detection failed.
/build/buildd/grub2-1.98/kern/fs.c:84: Detecting tarfs...
/build/buildd/grub2-1.98/kern/fs.c:90: tarfs detection failed.
/build/buildd/grub2-1.98/kern/fs.c:84: Detecting affs...
/build/buildd/grub2-1.98/kern/fs.c:90: affs detection failed.
/usr/sbin/grub-probe: error: unknown filesystem.
For testing purposes switched /dev/md1 to ext2 file system - same error
:-/
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: grub2 (not installed)
ProcVersionSignature: Ubuntu 2.6.32-28.55-server 2.6.32.27+drm33.12
Uname: Linux 2.6.32-28-server x86_64
Architecture: amd64
Date: Fri Mar 11 09:16:49 2011
ProcEnviron:
LANGUAGE=en_US:en
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
LC_PAPER=de_DE.UTF-8
SourcePackage: grub2
** Affects: grub2 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug lucid
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https://bugs.launchpad.net/bugs/733116
Title:
/usr/sbin/grub-probe: error: unknown filesystem.
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