It looks like this may be an upstream bug. Similar issue reported upstream[0] and in other distros[1]:
[0] http://lkml.org/lkml/2012/12/3/508 [1] https://bugzilla.redhat.com/show_bug.cgi?id=867174 ** Bug watch added: Red Hat Bugzilla #867174 https://bugzilla.redhat.com/show_bug.cgi?id=867174 ** Changed in: linux (Ubuntu) Status: Incomplete => Triaged -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1100202 Title: IPI backtrace in dmesg To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1100202/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
