This appears to be solved in the mainline v3.2-precise kernel[1]. Things have been much more stable since installing this kernel.. Including some other kernel issues I've had on those servers.
[1] http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.2-precise/ ** Tags removed: needs-upstream-testing ** Tags added: kernel-fixed-upstream-v3.2-precise -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/881968 Title: general protection fault, Fixing recursive fault but reboot is needed! To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/881968/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs