Program received signal SIGSEGV, Segmentation fault. 0x00000000004319ba in dixLookupPrivate (privates=0x290, key=0x7f692c79c3e8) at privates.c:79 79 return *key && *privates && (gdb) backtrace #0 0x00000000004319ba in dixLookupPrivate (privates=0x290, key=0x7f692c79c3e8) at privates.c:79 #1 0x00007f692c59615d in DRIGetDrawableInfo (pScreen=0x0, pDrawable=0x7cf4a0, index=0x4acac6c, stamp=0x4acac78, X=0x4acac7c, Y=0x4acac80, W=0x4acac84, H=0x4acac88, numClipRects=0x4acac8c, pClipRects=0x7fff38d295b0, backX=0x4acac98, backY=0x4acac9c, numBackClipRects=0x4acaca4, pBackClipRects=0x7fff38d295a8) at dri.c:1386 #2 0x00007f692c7dd9b9 in getDrawableInfo (driDrawable=, index=0x4acac6c, stamp=0x4acac78, x=0x4acac7c, y=0x4acac80, width=0x4acac84, height=0x4acac88, numClipRects=0x4acac8c, ppClipRects=0x4acac90, backX=0x4acac98, backY=0x4acac9c, numBackClipRects=0x4acaca4, ppBackClipRects=0x4acaca8, data=0x4acab90) at glxdri.c:750 #3 0x00007f69191e4dc2 in __driUtilUpdateDrawableInfo () from /usr/lib64/dri/r300_dri.so #4 0x00007f69191eaa76 in radeonGetLock () from /usr/lib64/dri/r300_dri.so #5 0x00007f69191f54f7 in r300FlushCmdBuf () from /usr/lib64/dri/r300_dri.so #6 0x00007f69191efe02 in r300DestroyContext () from /usr/lib64/dri/r300_dri.so #7 0x00007f69191e4c80 in ?? () from /usr/lib64/dri/r300_dri.so #8 0x00007f692c7df1e9 in __glXDRIcontextDestroy (baseContext=0x4869ec0) at glxdri.c:290 #9 0x00007f692c7d5732 in __glXFreeContext (cx=0x4869ec0) at glxext.c:160 #10 0x00007f692c7d5773 in ContextGone (cx=0x290, id=746177512) at glxext.c:109 #11 0x0000000000432d55 in FreeResourceByType (id=18879826, type=53, skipFree=0) at resource.c:597 #12 0x00007f692c7d200e in __glXDisp_DestroyContext (cl=, pc=) at glxcmds.c:336 #13 0x00007f692c7d5a22 in __glXDispatch (client=0x22424c0) at glxext.c:523 #14 0x000000000044b114 in Dispatch () at dispatch.c:437 #15 0x0000000000430f3d in main (argc=9, argv=0x7fff38d29998, envp=) at main.c:384