Recent linux-firmware update (1.172 -> 1.173) somehow resolved this issue, although I cannot spot anything relevant in the changelog.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1756455 Title: Kernel 4.15.0-12 reboots instead of turning off on HP Spectre x360 13-ae004 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed/+bug/1756455/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
