[Bug 448557] Re: HardDisk Order Swapped Causing the Next Update-grub to prevent Windows from booting

[JC John Sese Cuneta]

With the updates today, I had a chance to save a copy of the grub.cfg
that is produced after the update ran update-grub.

Attached below are:
grub2-working.cfg  <-- based on a fresh Karmic install (I just changed the kernel to reflect the latest update)
grub2-new2.cfg  <-- the result of update-grub after the kernel update today

What I noticed is, everytime update-grub runs it uses the format /dev/sd* - compare that to grub2-working.cfg it is using UUID.
If I replace the new /boot/grub/grub.cfg with the UUID version, everything works fine - Windows XP loads correctly.  But if I don't and I leave the new grub.cfg (which is using /dev/sd* format), GRUB2 will give the error mentioned earlier - "error: invalid signature".

Isn't GRUB2 supposed to be using UUID by default?


** Attachment added: "grub2-new2.cfg"
   http://launchpadlibrarian.net/33634099/grub2-new2.cfg

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HardDisk Order Swapped Causing the Next Update-grub to prevent Windows from booting
https://bugs.launchpad.net/bugs/448557
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