Comment 85 for bug 1386005

I'm running Xerus. Routine upgrades upgraded the kernel from 4.4.0-45 to 4.4.0-47. The next time I booted (because plasmashell refused to start, a probably unrelated bug), the "kubuntu" splash screen was about twice as wide as normal. It showed the disk password prompt, but I couldn't get it to work. After I fiddled around with recovery, and still couldn't enter the disk password, I got the Xubuntu splash screen, I have no idea why. It appeared to be asking for the root password and the disk password at the same time. I ran memtest to see if there's a memory problem (there wasn't). Then I thought, maybe something's wrong with the kernel. I booted the previous kernel and successfully entered the disk password. sddm didn't show anything, but I got around that by stopping sddm and running lightdm instead.