System boots to busybox after 10.04 -> 12.04.1 upgrade

Bug #1051487 reported by internic
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
update-manager (Ubuntu)
New
Undecided
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Bug Description

I was running an up-to-date version of Ubuntu lucid 10.04.4 LTS and used update-manager to upgrade to 12.04.1 LTS. After the upgrade was completed, a reboot of the system ended midway in a BusyBox prompt. If I type exit at that prompt the boot seems to continue as normal and the system boots to a usable (seemingly normal) desktop session. This behavior repeats on subsequent reboots. Obviously I would like to have the system boot normally and understand any underlying issue that may be causing this behavior.

For this system uname -a outputs: Linux dirac 3.2.0-30-generic #48-Ubuntu SMP Fri Aug 24 16:52:48 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

If you refer to the attached version of /var/log/messages, the busybox prompt appears right after the message

Sep 15 22:42:41 dirac kernel: [ 2.696442] usb 1-3.4: new full-speed USB device number 4 using ehci_hcd

All subsequent messages occur after exiting the busybox prompt.

Tags: dist-upgrade
Revision history for this message
internic (internic) wrote :
tags: added: dist-upgrade
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