[Bug 1051487] Re: System boots to busybox after 10.04 -> 12.04.1 upgrade

internic 1051487 at bugs.launchpad.net
Sun Sep 16 04:17:58 UTC 2012

** Attachment added: "Contents of /var/log/messages (from one boot), /var/log/dist-upgrade, and output of lspci and lsmod"

** Tags added: dist-upgrade

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  System boots to busybox after 10.04 -> 12.04.1 upgrade

Status in “update-manager” package in Ubuntu:

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

  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.

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