It's an regression in i915 driver, and I can't find a machine here in our lab to reproduce this issue.
I can teach you how to bisect the kernel to identify the problematic commit, but it's time-consuming. Alternatively, you can file a bug report for Intel using the link below. https://gitlab.freedesktop.org/drm/i915/kernel/-/issues -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2062951 Title: Random flickering with Intel i915 (Gen9 GPUs) on Linux 6.8 (Ubuntu 24.04) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2062951/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs