The upstream bug is specific to i386 and is claimed to have been fixed, there's a new one for x86_64 here: http://bugzilla.kernel.org/show_bug.cgi?id=13042
** Bug watch added: Linux Kernel Bug Tracker #13042 http://bugzilla.kernel.org/show_bug.cgi?id=13042 -- MTRRs set up incorrectly with 4GB RAM -> X slow https://bugs.launchpad.net/bugs/210780 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
