Move window 'out' to the left. NO sigfault with MESA_NO_SSE and MESA_NO_MMX.
With MMX: #0 0x406a92b5 in _generic_read_RGBA_span_BGRA8888_REV_MMX () from /usr/X11R6/lib/modules/dri/r200_dri.so (gdb) list 262 263 TempImage = (GLubyte *) malloc(ImgWidth * ImgHeight * 4 * sizeof(GLubyte)); 264 assert(TempImage); 265 } 266 267 268 int 269 main( int argc, char *argv[] ) 270 { 271 GLboolean ciMode = GL_FALSE; (gdb) bt #0 0x406a92b5 in _generic_read_RGBA_span_BGRA8888_REV_MMX () from /usr/X11R6/lib/modules/dri/r200_dri.so #1 0x405655af in r200ReadRGBASpan_ARGB8888_MMX (ctx=0x7fffb862, n=194, x=5, y=229, rgba=0x45024008) at spantmp2.h:415 #2 0x40602944 in read_fast_rgba_pixels (ctx=0x8060928, x=5, y=20, width=2147465314, height=188, format=6408, type=5121, pixels=0x7fffb862, packing=0x45048000) at swrast/s_readpix.c:288 #3 0x406029f5 in read_rgba_pixels (ctx=0x8060928, x=5, y=20, width=194, height=188, format=6408, type=5121, pixels=0x45024008, packing=0xbfffeb30) at swrast/s_readpix.c:324 #4 0x40603237 in _swrast_ReadPixels (ctx=0x8060928, x=5, y=20, width=194, height=188, format=6408, type=5121, packing=0xbfffeb30, pixels=0x45024008) at swrast/s_readpix.c:556 #5 0x405552e5 in r200ReadPixels (ctx=0x8060928, x=5, y=20, width=194, height=188, format=6408, type=5121, pack=0x8073c24, pixels=0x45024008) at r200_pixel.c:281 #6 0x4064bd44 in _mesa_ReadPixels (x=2147465314, y=2147465314, width=194, height=188, format=2147465314, type=2147465314, pixels=0x7fffb862) at main/drawpix.c:171 #7 0x0804942f in Display () at readpix.c:141 #8 0x40045f8e in processWindowWorkList () from /usr/lib/libglut.so.3 #9 0x4004601a in __glutProcessWindowWorkLists () from /usr/lib/libglut.so.3 #10 0x4004608b in glutMainLoop () from /usr/lib/libglut.so.3 #11 0x080499e7 in main (argc=1, argv=0xbfffedf4) at readpix.c:287 (gdb) info registers eax 0x7fffb862 2147465314 ecx 0x45048000 1157922816 edx 0xfffffe12 -494 ebx 0x4091c140 1083294016 esp 0xbffe69e8 0xbffe69e8 ebp 0xbffe6a28 0xbffe6a28 esi 0x2ee 750 edi 0x0 0 eip 0x406a92b5 0x406a92b5 eflags 0x10212 66066 cs 0x73 115 ss 0x7b 123 ds 0x7b 123 es 0x7b 123 fs 0x0 0 gs 0x33 51 With SSE: #0 0x406a931d in _generic_read_RGBA_span_BGRA8888_REV_SSE () from /usr/X11R6/lib/modules/dri/r200_dri.so (gdb) list 262 263 TempImage = (GLubyte *) malloc(ImgWidth * ImgHeight * 4 * sizeof(GLubyte)); 264 assert(TempImage); 265 } 266 267 268 int 269 main( int argc, char *argv[] ) 270 { 271 GLboolean ciMode = GL_FALSE; (gdb) bt #0 0x406a931d in _generic_read_RGBA_span_BGRA8888_REV_SSE () from /usr/X11R6/lib/modules/dri/r200_dri.so #1 0xff131f11 in ?? () (gdb) info registers eax 0xff4d4d4d -11711155 ecx 0x4504826c 1157923436 edx 0x0 0 ebx 0x407f7404 1082094596 esp 0xbffe69e0 0xbffe69e0 ebp 0xbffe69f0 0xbffe69f0 esi 0xfffffddf -545 edi 0x0 0 eip 0x406a931d 0x406a931d eflags 0x10203 66051 cs 0x73 115 ss 0x7b 123 ds 0x7b 123 es 0x7b 123 fs 0x0 0 gs 0x33 51 -Dieter ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click -- _______________________________________________ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel