Yes, it looked like that grub was trying to write text over garbled screen, so nothing was readable (while using 2.6.38-3).
Switching back to 2.6.38-2 kernel (removing 2.6.38-3 + grub-install to use older kernel) returned things back to normal - pymouth displayed bacground image (Kubuntu) + I got input prompt to enter my dm-crypt password. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/718562 Title: black screen on boot with kernel 2.6.38-3.30 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs