I updated the BIOS and the problem seems to have gone away. I rebooted 10 times with no failures. PC has been running over one day with no kernel or other crashes. It looks like this was entirely my problem (and ASRock's buggy BIOS).
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1507119 Title: BUG: Bad page state in process xampp-linux-x64 pfn:1b9e24 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1507119/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs