Incorrect color pixels have started appearing in the Ctrl+Tab switcher thumbnails with webrender enabled on device AMD RS880 (0x9715) (blocklisted) on Ubuntu 20.10 (X11 and Wayland). Each press causes the pixels to change position and sometimes color. The color within each thumbnail is the same, usually cyan/green/blue/black. It does not occur with software webrender and I have not seen this kind of artifact anywhere else in the interface. Regression window: https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=762270e639cf76b91a06d99f4a0639e2b6192af3&tochange=4e6e7829d164521667c5df5b67ef0bbcabb139a0 Regressed by Bug 1673387.
Bug 1679681 Comment 0 Edit History
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Incorrect color pixels have started appearing in the Ctrl+Tab switcher thumbnails with webrender enabled on device AMD RS880 (0x9715) (blocklisted) on Ubuntu 20.10 (X11 and Wayland). Each press causes the pixels to change position and sometimes color. The color within each thumbnail is the same, usually cyan/green/blue/black. It does not occur with software webrender and ~~I have not seen this kind of artifact anywhere else in the interface~~ (see Comment 1). Regression window: https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=762270e639cf76b91a06d99f4a0639e2b6192af3&tochange=4e6e7829d164521667c5df5b67ef0bbcabb139a0 Regressed by Bug 1673387.