Thanks for this additional information. This is a bug in the wide-dhcpv6 package then, that it hangs on upgrade.
** Changed in: wide-dhcpv6 (Ubuntu) Importance: Undecided => High Status: Incomplete => Triaged ** Summary changed: - package update-manager 1:0.91.7 failed to install/upgrade: ErrorMessage: SystemError in cache.commit(): E:Sub-process /usr/bin/dpkg returned an error code (1) + wide-dhcpv6 hangs on upgrade (gutsy->hardy) -- wide-dhcpv6-client hangs on upgrade (gutsy->hardy) https://bugs.launchpad.net/bugs/248303 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs