Public bug reported:
Binary package hint: grub
When running update-grub from a normal running environment a grub.cfg is
produced that will not boot the system. However, when it's unable to
boot I can use systemrescuecd to mount /, /dev/, and /proc/, and chroot
into it to run update-grub. When doing this I'm able to reboot into a
working system.
Here is a diff between the two grub.cfg files produced...
r...@panther:/home/michael/boot# diff bad/grub/grub.cfg good/grub/grub.cfg
97c97
< linux /boot/vmlinuz-2.6.36 root=/dev/root ro vt.handoff=7
---
> linux /boot/vmlinuz-2.6.36 root=/dev/sda1 ro vt.handoff=7
107c107
< linux /boot/vmlinuz-2.6.36 root=/dev/root ro single
---
> linux /boot/vmlinuz-2.6.36 root=/dev/sda1 ro single
So the only issue is that root=/dev/root is being produced rather than
root=/dev/sda1.
** Affects: grub (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/701355
Title:
update-grub produces a grub.cfg that won't boot
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