[Bug 1336946] Re: grub-setup sometimes segfaults when installing to RAID

[Steve Langasek]

Hello Paul, or anyone else affected,

Accepted grub2 into precise-proposed. The package will build now and be
available at http://launchpad.net/ubuntu/+source/grub2/1.99-21ubuntu3.16
in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Changed in: grub2 (Ubuntu Precise)
       Status: In Progress => Fix Committed

** Tags added: verification-needed

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https://bugs.launchpad.net/bugs/1336946

Title:
  grub-setup sometimes segfaults when installing to RAID

Status in “grub2” package in Ubuntu:
  Fix Released
Status in “grub2” source package in Precise:
  Fix Committed

Bug description:
  SRU justification:

  [Impact] grub-setup sometimes crashes on things that aren't plain BIOS disks, such as RAID.
  [Test Case] Upgrade grub-pc on a system configured to install GRUB to /dev/md<something>.  (The reporter seems to be able to reproduce this reliably.)
  [Regression Potential] Limited to grub-setup, but the patch is tiny and just an additional check, so I think regressions are extremely unlikely.

  Original report follows:

  During package configuration `grub-setup` crashed with a segmentation
  fault.

       /usr/sbin/grub-setup --force --directory=/boot/grub --device-
  map=/boot/grub/device.map /dev/md1

  Big thanks to Colin to help me in #ubuntu-installer on
  <irc.freenode.net>. Wth the test package from the PPA with a patch
  applied, `grub-setup` does not crash anymore.

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