I analyzed the situation and the edgy version of quagga does ask a debconf question with priority medium if quagga should be stopped or not. We only show questions with "high" debconf priority.
This is fixed in feisty, but we need to make sure that the prerm script that is run with the failed-upgrade paramter checks $2 and reasks the question with priority "high" on a edgy->feisty upgrade to get things right here. -- Package breaks apt, then can't be removed https://launchpad.net/bugs/45761 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
