I tried the fail SKL system with KH2 image. The issue Ray discovered can be reproduced without diwic's patches. So it seems not a regression issue for this fix.
Before install patches, no matter HDMI plug or non-plug, the error in comment#12 could happen. With HDMI plugging: failure rate 2/2 Without HDMI plugging: failure rate 2/3 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1490895 Title: Skylake/Broadwell/Haswell: No HDMI audio jack detection in D3 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1490895/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs