Bug#637768: grub-common: grub-probe doesn't follow symlinks

[Colin Watson]

tags 637768 pending
thanks

On Sun, Aug 14, 2011 at 11:02:56AM +0200, Ove Kaaven wrote:
> I have a multibooted system with two Linux root partitions (one for i386
> and one for amd64) and have been sharing /boot between them through
> symlinking. That is, on the 64-bit partition, I mount the 32-bit
> partition on /deb32 and symlink to it:
> 
> merlin:~# ls -l /boot
> lrwxrwxrwx 1 root root 11  6 jan.   2009 /boot -> /deb32/boot
> 
> So, I do not have a separate /boot partition. Rather, in this case,
> /boot is a subdirectory of another partition than the current root
> partition. It appears that "grub-probe -t device /boot" doesn't notice
> that /boot is a symlink into another partition, so it just returns
> the current root partition, which doesn't work.

Thanks for your report.  Mario Limonciello posted a patch upstream a
couple of weeks ago; it was to address a related problem rather than
this, but it happens to fix this as well.  I've cleaned it up and
committed it upstream, and have backported it for 1.99-12.

Cheers,

-- 
Colin Watson                                       [cjwatson at ubuntu.com]