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Sylvain Munaut 246tnt at gmail.comHi, >> libEGL warning: DRI2: failed to authenticate >> [+] Selected device: Devastator >> libGL error: No matching fbConfigs or visuals found >> libGL error: failed to load driver: swrast >> X Error of failed request: BadMatch (invalid parameter attributes) >> Major opcode of failed request: 157 (GLX) >> Minor opcode of failed request: 5 (X_GLXMakeCurrent) >> Serial number of failed request: 30 >> Current serial number in output stream: 30C Your GL setup seems broken ... Post the output of glxinfo and clinfo >> libEGL warning: DRI2: failed to find _glapi_get_proc_address Again, something seems broken in your OpenGL setup >> [+] Selected device: Devastator >> [!] CL Error (-34, /home/stu/gr-fosphor/lib/fosphor/cl.c:464): Unable to >> share waterfall texture into OpenCL context So you GL/CL drivers reported that they could share info and it allowed fosphor to create a context for it, then when asked to actually share info, it refuses wit CL_INVALID_CONTEXT ... Look in lib/fosphor/cl.c in the cl_do_init function at the very beginning of the function and comment out : " self->flags |= FLG_FOSPHOR_USE_CLGL_SHARING; " This will prevent it to try and share data between CL and GL ... Cheers, Sylvain