To test kernel 5.8 you need to download all these packages EXCEPT the "lowlatency" ones:
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.8/amd64/ and then install them all at once: sudo dpkg -i *.deb -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1890418 Title: i915 does not expose vendor-specific extended HDMI timings/modes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1890418/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs