I've got similar results. In fact I can't find any mainline kernel that exhibits corruption. Only the newer groovy kernels do:
good 5.8.0-16-generic bad 5.8.0-23-generic bad 5.8.0-25-generic good 5.8.1-050801-generic good 5.8.13-050813-generic good 5.8.16-050816-generic good 5.9.0-050900drmtip20201022-generic Are there any i915 parameters we should try? -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1896091 Title: [i915] Noise-like lines of graphics corruption when moving windows in Xorg sessions To manage notifications about this bug go to: https://bugs.launchpad.net/mutter/+bug/1896091/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs