So, given that my laptop is OK and fully up to date, the fact I got the problem on another machine by doing dist-upgrade suggests the problem is in this update:
The following packages have been kept back: linux-generic linux-headers-generic linux-image-generic 0 upgraded, 0 newly installed, 0 to remove and 3 not upgraded. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/974765 Title: Drive not found since 3.2.0-21... kernel panic, unable to mount root fs To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/974765/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
