Public bug reported:
The script in 40grub2 has some code to skip certain entries from
grub.cfg. It goes like this:
elif echo "$title" | grep -q '(on /dev/[^)]*)$'; then
log "Skipping entry '$title':"
log "appears to be an automatic reference taken from another menu.lst"
ignore_item=1
(( Notice the "on" ))
However, if the grub.cfg was created on a system with a non standard
LANG the grep does not find the match. This is particular nasty on a
system with one boot partition and a few Linux root partitions. The end
result of update-grub is a bigger grub.cfg after each run. It gets
bigger and bigger. Also update-grub takes longer and longer to finish.
Here is an example of a menuentry on my system
menuentry 'Ubuntu 11.04 (11.04) (op /dev/mapper/vol1-root1004)'
--class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-
gnulinux-/vmlinuz-3.5.0-28-generic--29cff8d9-4fb2-49ec-
8c62-e13f2a961abd' {
Here is a session with running update-grub twice in a row.
root@rockie:~# echo $LANG
nl_NL.UTF-8
root@rockie:~# grep menuentry /boot/grub/grub.cfg|wc -l
34
root@rockie:~# update-grub
Aanmaken van 'grub.cfg'...
Linux-afbeelding is gevonden: /boot/vmlinuz-3.5.0-28-generic
Initrd-image gevonden: /boot/initrd.img-3.5.0-28-generic
Found memtest86+ image: /memtest86+.bin
Ubuntu 10.04.2 LTS (10.04) is gevonden op /dev/sda2
Ubuntu 11.04 (11.04) is gevonden op /dev/mapper/vol1-clayrootbackup
Ubuntu 10.04.1 LTS (10.04) is gevonden op /dev/mapper/vol1-root1004
voltooid
root@rockie:~# grep menuentry /boot/grub/grub.cfg|wc -l
88
** Affects: os-prober (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1176652
Title:
40grub2 gets confused for menuentry generated in other languages
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