Public bug reported:
This bug report based on lp:1097570 .
An $prefix was introduced to fix grub2-signed can not find the right
device when there are two filesystems containing the file '.disk/info'.
But after dig, I had an recovery partition(hd0,1) which had
'.disk/info', and when start the daily-live image or 13.10 image from
DVD we found the prefix is '(hd0,1)/boot/grub' , so it means the prefix
was set by 'search' command or the $prefix is zero or do not exist.
grub> cat (memdisk)/grub.cfg
if [ -z "$prefix" -o ! -e "$prefix" ]; then
if ! search --file --set=root /.disk/info; then
search --file --set=root /.disk/mini-info
fi
set prefix=($root)/boot/grub
fi
if [ -e $prefix/$platform/grub.cfg ]; then
source $prefix/$platform/grub.cfg
else
source $prefix/grub.cfg
fi
And it's a little hard for me to debug it, if any idea which I can help
to locate the reason, feel free let me know.
Thanks a lot!
** Affects: grub
Importance: Undecided
Status: New
** Affects: oem-priority
Importance: Undecided
Status: New
** Affects: grub2 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: grub
Importance: Undecided
Status: New
** Also affects: oem-priority
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1263129
Title:
prefix is not set correctly in grub2
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