** Description changed: [SRU Justification] [Impact] There will be a confusing phantom monitor shown on the display list, but actually no extra monitor are connected. [Fix] - Revert the upstream commit https://github.com/torvalds/linux/commit/b49420d6a1aeb399e5b107fc6eb8584d0860fbd7 will fix it. Need to collect more information and report to the author of the commit + The bug is caused by the commit https://github.com/torvalds/linux/commit/b49420d6a1aeb399e5b107fc6eb8584d0860fbd7 in 6.11. Needs to introduce the 6.12 fix https://github.com/torvalds/linux/commit/ad604f0a4c040dcb8faf44dc72db25e457c28076. [Test Case] 1. Make sure no external monitor connected 2. Power on the particular machine 3. Issue the command on Terminal `DISPLAY=:0 xrandr -q`. 4. Check if there's a "Unknown 23" monitor" on the display list [Where problems could occur] Need to check on more machines with different configurations. It only happens on 6.11 and it only affects the SCREEN INFO displayed.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2085456 Title: Fix phantom monitor on some machines with kernel 6.11 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2085456/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
