Hi xorg-folks - Thanks for all the work you do that allows the rest of us to use X11.
I came across an issue today when trying to use Xvfb on a headless Linux server. I couldn't figure out why Xvfb would start,but have no framebuffers available. (glXGetFBConfigs would always return NULL). I finally (after several hours) figured out that the problem was the lack of 'swrast_dri.so', which I'm guessing is a software raster driver. Once I figured out that I needed this library (again, several hours), the forthcoming fix was trivial: I'm using Centos 8, and I easily found the package that provides it: % dnf provides '*/swrast_dri.so' ... mesa-dri-drivers-19.3.4-2.el8.x86_64 : Mesa-based DRI drivers Repo : @System Matched from: Filename : /usr/lib64/dri/swrast_dri.so ... Once I installed mesa-dri-drivers, everything worked. My suggestion is to make xorg-x11-server-Xvfb depend on mesa-dri-drivers, since it obviously wants to use this provided library. Thanks, Sean
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