[2172530] kwin: fix-drm-open-fallback-to-logind-fd.patch makes KMS and Mesa share one GEM handle namespace -> rendering corruption, GPU hangs and kwin crashes after login
LaunchpadBug #2172530 “kwin: fix-drm-open-fallback-to-logind-fd.patch mak...” : Bugs : linux package : UbuntuRelease of Ubuntu: Ubuntu 26.04.1 LTS (resolute)
Version of the package: kwin-wayland 4:6.6.6-0ubuntu0.1 (also kwin-common 4:6.6.6-0ubuntu0.1)
Other relevant versions:
- Kernel: 7.0.0-30-generic
- Mesa: 26.2.5~kisak1~r (ppa:kisak/kisak-mesa; mesa-libgallium, libgl1-mesa-dri, libegl-mesa0). Also seen with Ubuntu's Mesa 26.0.8.
Description:
The Ubuntu patch debian/patches/fix-drm-open-fallback-t