On a hunch, I took the machine down and ran memtest86 which revealed a faulty memory module. Please ignore my report.
-- kernel crash [kernel BUG at mm/rmap.c:588!] https://bugs.launchpad.net/bugs/111131 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs