The corruption look exactly like the image you provided in the link above. I have just now rebooted successfully after another one of these crashes, and I'm attaching the output from the files you requested.
** Attachment added: "Xorg.0.log" http://launchpadlibrarian.net/10197985/Xorg.0.log -- display freezes just before Ubuntu login window; shows nothing but vertical bars https://bugs.launchpad.net/bugs/157610 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs