Hello, > Testing with versions in between from snapshot.debian.org reveals that > it's still OK with 21.1.6-1 and the issue starts with 21.2.0-1. > > Other related reports that look like they might be about the same > problem, all related to Mesa 21.2 (I'm seeing artifacts in Firefox and > in Konsole as described, as well as in other applications): > > https://forum.manjaro.org/t/konsole-tmux-rendering-problems-horizontal-stripes/86975 > https://bugs.launchpad.net/ubuntu/+source/kwin/+bug/1944951
I observe the same problem, although only with similar but not identical hardware > Graphics card info from 'hwinfo' output: > > 49: PCI 02.0: 0300 VGA compatible controller (VGA) > Device Name: "Onboard IGD" > Model: "Intel UHD Graphics 630 (Mobile)" > Vendor: pci 0x8086 "Intel Corporation" > Device: pci 0x3e9b "UHD Graphics 630 (Mobile)" > Driver: "i915" > Driver Modules: "i915" Here is my (shortened) 'hwinfo' output: 24: PCI 02.0: 0300 VGA compatible controller (VGA) Device Name: "Onboard IGD" Model: "Intel HD Graphics 530" Vendor: pci 0x8086 "Intel Corporation" Device: pci 0x1912 "HD Graphics 530" Driver: "i915" Driver Modules: "i915" I tested the Mesa upstream version from https://gitlab.freedesktop.org/mesa/ mesa/-/tree/main and can confirm the broken version there, too. However: I didn't get any artifacts with mesa-21.3.0-rc4. I didn't bisect that as mesa-21.2.5 has the artifacts and it does not matter which rc fixes it. So we probably need our pinning in /etc/apt/preferences > Package: libegl-mesa0 libgbm1 libgl1-mesa-dri libglapi-mesa libglx-mesa0 > Pin: version 21.2.* > Pin-Priority: -1 for some more days until 21.3.0 is released and if that gets packaged quickly, the problem should probably be gone soon. Kind regards Patrick
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