On Mon, Apr 5, 2010 at 7:42 AM, Dave Airlie <airl...@gmail.com> wrote: > Starting program: /home/airlied/mesa/progs/demos/readpix > [Thread debugging using libthread_db enabled] > GL_VERSION = 2.1 Mesa 7.9-devel > GL_RENDERER = Gallium 0.4 on RV530 > > Program received signal SIGSEGV, Segmentation fault. > 0xb7cc13dd in _mesa_get_color_read_type (ctx=0x8086e38) > at main/framebuffer.c:1021 > 1021 } > Missing separate debuginfos, use: debuginfo-install > expat-2.0.1-8.fc12.i686 libICE-1.0.6-1.fc12.i686 > libSM-1.1.0-7.fc12.i686 libX11-1.3-1.fc12.i686 > libXdamage-1.1.2-1.fc12.i686 libXext-1.1-2.fc12.i686 > libXfixes-4.0.4-1.fc12.i686 libXi-1.3-2.fc12.i686 > libXmu-1.0.5-1.fc12.i686 libXt-1.0.7-1.fc12.i686 > libXxf86vm-1.1.0-1.fc12.i686 libgcc-4.4.3-4.fc12.i686 > libstdc++-4.4.3-4.fc12.i686 libuuid-2.16.2-5.fc12.i686 > libxcb-1.5-1.fc12.i686 > (gdb) bt > #0 0xb7cc13dd in _mesa_get_color_read_type (ctx=0x8086e38) > at main/framebuffer.c:1021 > #1 0xb7d75758 in _mesa_GetIntegerv (pname=35738, params=0x804c41c) > at main/get.c:5576 > #2 0x080493ae in Init (argc=1, argv=0xbffff2b4) at readpix.c:354 > #3 main (argc=1, argv=0xbffff2b4) at readpix.c:396 > (gdb) I have the segfault with i915g and non-gallium fakeglx. It seems _mesa_Get* should also validate the states before getting these state variables
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