Created attachment 138455 [details] screenshot showing corruption; xfce+compton compositor. Just upgraded from fedora 27->fedora 28 beta-ish; mostly seems fine; except with the Compton compositor, where all of the xfce widgetry is a strange orangey/red/corrupt; other windows (e.g. Firefox) seems fine. f27 was fine as well. The attached screenshot shows the panel which is a boring grey; the icon to the left is a red terminator terminal; and that speaker is black. on f28 I have: Graphics: Card: Advanced Micro Devices [AMD/ATI] Lexa PRO [Radeon RX 550] Display Server: x11 (X.org 119.6 ) drivers: modesetting,ati (unloaded: fbdev,vesa,radeon) Resolution: 3840x2160@60.00hz, 1920x1080@60.00hz OpenGL: renderer: Radeon RX 550 Series (POLARIS12 / DRM 3.23.0 / 4.16.0-0.rc7.git0.1.fc28.x86_64, LLVM 6.0.0) version: 4.5 Mesa 18.0.0-rc4 mesa-dri-drivers-18.0.0-0.3.rc4.fc28.x86_64 xorg-x11-server-Xorg-1.19.6-5.fc28.x86_64 xorg-x11-drv-ati-7.10.0-2.fc28.x86_64
With a current xorg git + mesa git stack I don't have that problem, but I had it and made bug 104597. tl;dr: workaround should be allow_rgb10_configs=false compton or the driconf entry mentioned there.
Thanks! Marking as dupe of 104597; the workaround does work. For reference; xdpyinfo shows my root window as beign 24bpp and is showing the 10bpp 32 plane visuals as well. *** This bug has been marked as a duplicate of bug 104597 ***
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