This seems to be related to the following upstream bugs: https://bugzilla.kernel.org/show_bug.cgi?id=42703 https://bugzilla.kernel.org/show_bug.cgi?id=37732
The general trend seems to be the following: - KVM is used - ksmd is the current comm - a GPF is triggered due to the upper 16 bits of a register used as an address being cleared It would be extremely helpful to test with KSM disabled, to see if this is the root cause. ** Bug watch added: Linux Kernel Bug Tracker #42703 http://bugzilla.kernel.org/show_bug.cgi?id=42703 ** Bug watch added: Linux Kernel Bug Tracker #37732 http://bugzilla.kernel.org/show_bug.cgi?id=37732 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/906159 Title: GPF in ksmd cmp_and_merge_page flow To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/906159/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
