Please perform this from a text console and see if the kernel produces a visible crash. Without some sort of crash (or having the hw) we can't do much with this bug.
If the system locks up on text console, then see if you can attach a digital photo of the screen. Thanks ** Changed in: linux-source-2.6.20 (Ubuntu) Assignee: (unassigned) => Ben Collins Status: Unconfirmed => Needs Info -- RTL8111/8168B hangs whole PC (r8169) in feisty https://launchpad.net/bugs/91895 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs