[Mesa3d-dev] Re: [utah-glx-dev] geekosphere xmms plugin crashes Mesa 3.2

[Brian P. <br...@pr...>]

Andreas Ehliar wrote:
> 
> On Wed, Apr 12, 2000 at 05:54:54PM -0400, Wichert Akkerman wrote:
> > xmms with the `geekosphere' plugin (available from www.xmms.org) crashes Utah.
> 
> It crashes standard Mesa 3.2 with software rendering as well:
> (I've submitted this as a bug report to the Mesa bugtracker)
> 
> Program received signal SIGSEGV, Segmentation fault.
> 0x400f09f7 in gl_make_normal_cullmask () at cull_tmp.h:170
> 170     }
> (gdb) bt
> #0  0x400f09f7 in gl_make_normal_cullmask () at cull_tmp.h:170
> #1  0x400c2a54 in do_normal_transform (VB=0x81b2700) at stages.c:423
> #2  0x400a871c in gl_run_pipeline () at pipeline.c:395
> #3  0x400f71a6 in gl_execute_cassette () at vbxform.c:812
> #4  0x40057e4d in gl_cva_compile_cassette () at cva.c:349
> #5  0x400f77fe in gl_flush_vb () at vbxform.c:812
> #6  0x40065941 in save_Map2f (ctx=0x81a0028, target=GL_MAP2_VERTEX_4, u1=0,
>     u2=1, ustride=24, uorder=3, v1=0, v2=1, vstride=4, vorder=3,
>     points=0x81f5458, retain=1) at dlist.c:1541
> #7  0x40031aaa in glMap2f () at api1.c:407
> #8  0x408ecf52 in draw_polygon_mode () from /usr/X11R6/lib/libGLU.so.1
> #9  0x18 in ?? ()



What code do you see at line 170 of cull_tmp.h?  In my copy, line 170
is the closing brace of a function.  But since this is macro-ized code
there may be a line numbering descrepency.



> ----------------------
> 
> It is interesting to note that Utah doesn't segfault at the same place:
> 
> Program received signal SIGSEGV, Segmentation fault.
> 0x40a541aa in gl_make_normal_cullmask () at vbcull.c:804
> 804     }
> (gdb) bt
> #0  0x40a541aa in gl_make_normal_cullmask () at vbcull.c:804
> #1  0x40a0b3f2 in do_normal_transform (VB=0x819f028) at stages.c:423
> #2  0x409d7d56 in gl_run_pipeline () at pipeline.c:395
> #3  0x40a5cf7d in gl_execute_cassette () at vbxform.c:812
> #4  0x4096d4bd in gl_cva_compile_cassette () at cva.c:189
> #5  0x40a59509 in gl_maybe_transform_vb () at vbxform.c:188
> #6  0x40a595c2 in gl_flush_vb () at vbxform.c:188
> #7  0x40973373 in save_Map2f (ctx=0x81d8170, target=GL_MAP2_VERTEX_4, u1=0,
>     u2=1, ustride=24, uorder=3, v1=0, v2=1, vstride=4, vorder=3,
>     points=0x82330c8, retain=1 '\001') at dlist.c:1541
> #8  0x409258e2 in glMap2f () at api1.c:1647
> #9  0x4004c8b2 in glMap2f () at api1.c:1414
> #10 0x40788f52 in draw_polygon_mode () from /usr/X11R6/lib/libGLU.so.1
> #11 0x18 in ?? ()


Keith, can you look into this?

-Brian