[Bug 1491894] Re: lucid to precise to trusty upgrade may leave system unbootable
Louis Bouchard
louis.bouchard at canonical.com
Mon Sep 7 13:36:38 UTC 2015
** Changed in: grub2 (Ubuntu)
Assignee: (unassigned) => Louis Bouchard (louis-bouchard)
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https://bugs.launchpad.net/bugs/1491894
Title:
lucid to precise to trusty upgrade may leave system unbootable
Status in grub2 package in Ubuntu:
Confirmed
Bug description:
A system, initially installed on 10.04 Lucid then upgraded to 12.04
precise, when upgraded to Trusty be not reboot following the end of
the do-release-upgrade command.
Reproduction steps
==================
Install a VM with 10.04.4-server ISO. When booted in 10.04, issue :
$ sudo do-release-upgrade # to 12.04 precise
Then let the system upgrade and reboot.
$ sudo do-release-upgrade # to 14.04 trusty
Then let the system upgrade and reboot
Upon reboot, the system will display a blank screen with a prompt and
will not reboot.
Workaround
==========
Force a reconfiguration of the grub-pc package :
$ sudo dpkg-reconfigure grub-pc
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