I can see the same behaviour on a Intel Xeon box. At some point I tried mainline build 4.15-rc9 and that behaves exactly the same. So it looks like an issue with the KPTI implementation which still exists upstream. I am planning to experiment with further 4.15-rc's and then try bisecting there.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1744942 Title: Lenovo IdeaPad U460 fails to boot with 4.13.0-31.34~16.04.1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-hwe/+bug/1744942/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
