Okay, so it happened again today, except it's no longer a white box. It's hard to explain but I recorded a video of it. I also managed to save a copy of dmesg from when this was happening, if it's relevant.
** Attachment added: "A video showing what happens after boot sometimes since the final release of 12.04" https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/980058/+attachment/3138834/+files/video-2012-05-09-18-15-10.mp4 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/980058 Title: Sometimes get a white box instead of Lightdm after boot To manage notifications about this bug go to: https://bugs.launchpad.net/plymouth/+bug/980058/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs