I am hitting this on i915 as well with the same 50-75% frequency. I think this need to be upgraded to critical status (at least for non GDM login managers where no mitigation exists) and potentially release blocker depending on how widespread this issue is.
Devices I have confirmed affected by this: AMD Framework 13 HP Spectre X360 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2063143 Title: Frequent boot to black display To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/2063143/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
