Re my comment #31: changed back to 3.16 kernel and the problem reappears: boot, wait for black screen, reboot w/Ctrl-Alt-Del, grub appears, encrypt login appears, continue to boot normally. 100% reproducible. Definitely looks to be a kernel issue.
$ uname -a Linux x 3.16.0-33-generic #44-Ubuntu SMP Thu Mar 12 12:25:57 UTC 2015 i686 i686 i686 GNU/Linux -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1359689 Title: cryptsetup password prompt not shown To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1359689/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
