Nice work. That suggests the problem started in v5.13-rc6 though, which is a whole major kernel version earlier than we thought.
Chris, can you confirm? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1958620 Title: [Dell XPS 15 9575] Flickering white/black screen once KMS comes up To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1958620/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs