So, after reporting this bug, I did a reboot, full memtest86+ pass (no errors), and went on my way.
I was running GIMP this time, trying to "open location" (which failed) when I got the same bug. [EMAIL PROTECTED]:/tmp/x/mtrace$ dmesg | grep BUG [17793612.096000] BUG: unable to handle kernel NULL pointer dereference at virtual address 00000074 [EMAIL PROTECTED]:/tmp/x/mtrace$ uptime 23:49:11 up 7 days, 2:35, 9 users, load average: 1.79, 1.17, 0.82 [EMAIL PROTECTED]:/tmp/x/mtrace$ uname -a Linux icebox 2.6.17-6-686 #2 SMP Fri Aug 11 22:09:15 UTC 2006 i686 GNU/Linux Honestly I have no clue. It just HAPPENS out of NOWHERE, some random thing goes wrong, and then I go happily along my way. -- kernel bug, you figure it out. https://launchpad.net/bugs/57642 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs