Brian Paul wrote:
> Donnie Berkholz wrote:
>> Brian Paul wrote:
>>
>>> Try applying the attached patch for t_vtx_generic.c  It's just some
>>> assertions to try to narrow down the problem.
>>
>>
>> Didn't get any assertion failures out of that.
> 
> But it still crashes, right?

Yep.

> Could you possibly use gdb to inspect some of the variables, pointers,
> etc. after the crash?

I attached the results of my debugging session.

Thanks,
Donnie
(gdb) bt
#0  0xb5dadc31 in attrib_8_2 (v=0x9f7cabb8) at t_vtx_generic.c:113
#1  0xb5daaba2 in choose_8_2 (v=0x9f7cabb8) at t_vtx_api.c:471
#2  0xb5dac2ed in _tnl_VertexAttrib2fvNV (index=8, v=0x9f7cabb8)
    at t_vtx_generic.c:395
#3  0xb5d0dfad in VertexAttrib2fvNV (index=8, v=0x9f7cabb8)
    at api_arrayelt.c:481
#4  0xb5d0fd13 in _ae_loopback_array_elt (elt=717) at api_arrayelt.c:780
#5  0xb5e3b926 in fallback_drawelements (ctx=<value optimized out>,
    mode=<value optimized out>, count=27, indices=0xa19e8b70)
    at t_array_api.c:75
#6  0x08140f90 in ?? ()
#7  0x08142bd6 in ?? ()
#8  0x08142652 in ?? ()
#9  0x08128e85 in ?? ()
#10 0x08129259 in ?? ()
#11 0x0812c16f in ?? ()
#12 0x08142ad9 in ?? ()
#13 0x0813410a in ?? ()
#14 0x0810b820 in ?? ()
#15 0xaba215b9 in idObjective::Event_CamShot () from /opt/doom3-demo/gamex86.so
#16 0xabae7cf5 in idClass::ProcessEventArgPtr ()
   from /opt/doom3-demo/gamex86.so
#17 0xabae9475 in idEvent::ServiceEvents () from /opt/doom3-demo/gamex86.so
#18 0xaba12c31 in idGameLocal::RunFrame () from /opt/doom3-demo/gamex86.so
#19 0x080a296f in ?? ()
#20 0x080a24a4 in ?? ()
#21 0x080593ee in ?? ()
#22 0x0820949e in ?? ()
#23 0xb7c65f73 in __libc_start_main () from /lib/libc.so.6
#24 0x00000001 in ?? ()
#25 0xbfec7904 in ?? ()
#26 0xbfec790c in ?? ()
#27 0x08049d49 in ?? ()
#28 0xb7d80ff4 in ?? () from /lib/libc.so.6
#29 0x00000000 in ?? ()
(gdb) directory /usr/local/share/mesa/Mesa-HEAD/src/mesa/tnl
Source directories searched: 
/usr/local/share/mesa/Mesa-HEAD/src/mesa/tnl:$cdir:$cwd
(gdb) bt
#0  0xb5dadc31 in attrib_8_2 (v=0x9f7cabb8) at t_vtx_generic.c:113
#1  0xb5daaba2 in choose_8_2 (v=0x9f7cabb8) at t_vtx_api.c:471
#2  0xb5dac2ed in _tnl_VertexAttrib2fvNV (index=8, v=0x9f7cabb8)
    at t_vtx_generic.c:395
#3  0xb5d0dfad in VertexAttrib2fvNV (index=8, v=0x9f7cabb8)
    at api_arrayelt.c:481
#4  0xb5d0fd13 in _ae_loopback_array_elt (elt=717) at api_arrayelt.c:780
#5  0xb5e3b926 in fallback_drawelements (ctx=<value optimized out>,
    mode=<value optimized out>, count=27, indices=0xa19e8b70)
    at t_array_api.c:75
#6  0x08140f90 in ?? ()
#7  0x08142bd6 in ?? ()
#8  0x08142652 in ?? ()
#9  0x08128e85 in ?? ()
#10 0x08129259 in ?? ()
#11 0x0812c16f in ?? ()
#12 0x08142ad9 in ?? ()
#13 0x0813410a in ?? ()
#14 0x0810b820 in ?? ()
#15 0xaba215b9 in idObjective::Event_CamShot () from /opt/doom3-demo/gamex86.so
#16 0xabae7cf5 in idClass::ProcessEventArgPtr ()
   from /opt/doom3-demo/gamex86.so
#17 0xabae9475 in idEvent::ServiceEvents () from /opt/doom3-demo/gamex86.so
#18 0xaba12c31 in idGameLocal::RunFrame () from /opt/doom3-demo/gamex86.so
#19 0x080a296f in ?? ()
#20 0x080a24a4 in ?? ()
#21 0x080593ee in ?? ()
#22 0x0820949e in ?? ()
#23 0xb7c65f73 in __libc_start_main () from /lib/libc.so.6
#24 0x00000001 in ?? ()
#25 0xbfec7904 in ?? ()
#26 0xbfec790c in ?? ()
#27 0x08049d49 in ?? ()
#28 0xb7d80ff4 in ?? () from /lib/libc.so.6
#29 0x00000000 in ?? ()
(gdb) info frame
Stack level 0, frame at 0xbfec6370:
 eip = 0xb5dadc31 in attrib_8_2 (t_vtx_generic.c:113); saved eip 0xb5daaba2
 called by frame at 0xbfec6380
 source language c.
 Arglist at 0xbfec6368, args: v=0x9f7cabb8
 Locals at 0xbfec6368, Previous frame's sp is 0xbfec6370
 Saved registers:
  ebx at 0xbfec6364, ebp at 0xbfec6368, eip at 0xbfec636c
(gdb) print *0x9f7cabb8
$1 = 0
(gdb) info args
v = (const GLfloat *) 0x9f7cabb8
(gdb) info locals
dest = (GLfloat *) 0xad13255c
__PRETTY_FUNCTION__ = "attrib_8_2"
(gdb) print *0xad13255c
$2 = 1069547520
(gdb) up
#1  0xb5daaba2 in choose_8_2 (v=0x9f7cabb8) at t_vtx_api.c:471
471     CHOOSERS( 8 )
(gdb) info frame
Stack level 1, frame at 0xbfec6380:
 eip = 0xb5daaba2 in choose_8_2 (t_vtx_api.c:471); saved eip 0xb5dac2ed
 called by frame at 0xbfec6390, caller of frame at 0xbfec6370
 source language c.
 Arglist at 0xbfec6378, args: v=0x9f7cabb8
 Locals at 0xbfec6378, Previous frame's sp is 0xbfec6380
 Saved registers:
  ebp at 0xbfec6378, eip at 0xbfec637c
(gdb) info args
v = (const GLfloat *) 0x9f7cabb8
(gdb) info locals
f = (tnl_attrfv_func) 0xad130420
(gdb) print *0x9f7cabb8
$3 = 0
(gdb) print *0xad130420
$4 = -1244128816
(gdb) up
#2  0xb5dac2ed in _tnl_VertexAttrib2fvNV (index=8, v=0x9f7cabb8)
    at t_vtx_generic.c:395
395        if (index >= VERT_ATTRIB_MAX) index = ERROR_ATTRIB;
(gdb) info frame
Stack level 2, frame at 0xbfec6390:
 eip = 0xb5dac2ed in _tnl_VertexAttrib2fvNV (t_vtx_generic.c:395);
    saved eip 0xb5d0dfad
 called by frame at 0xbfec63b0, caller of frame at 0xbfec6380
 source language c.
 Arglist at 0xbfec6388, args: index=8, v=0x9f7cabb8
 Locals at 0xbfec6388, Previous frame's sp is 0xbfec6390
 Saved registers:
  ebx at 0xbfec6384, ebp at 0xbfec6388, eip at 0xbfec638c
(gdb) info args
index = 8
v = (const GLfloat *) 0x9f7cabb8
(gdb) info locals
No locals.
(gdb) print *0x9f7cabb8
$5 = 0
(gdb) up
#3  0xb5d0dfad in VertexAttrib2fvNV (index=8, v=0x9f7cabb8)
    at api_arrayelt.c:481
481     api_arrayelt.c: No such file or directory.
        in api_arrayelt.c
(gdb) directory /usr/local/share/mesa/Mesa-HEAD/src/mesa/main
Source directories searched: 
/usr/local/share/mesa/Mesa-HEAD/src/mesa/main:/usr/local/share/mesa/Mesa-HEAD/src/mesa/tnl:$cdir:$cwd
(gdb) info frame
Stack level 3, frame at 0xbfec63b0:
 eip = 0xb5d0dfad in VertexAttrib2fvNV (api_arrayelt.c:481);
    saved eip 0xb5d0fd13
 called by frame at 0xbfec6410, caller of frame at 0xbfec6390
 source language c.
 Arglist at 0xbfec63a8, args: index=8, v=0x9f7cabb8
 Locals at 0xbfec63a8, Previous frame's sp is 0xbfec63b0
 Saved registers:
  ebx at 0xbfec63a0, ebp at 0xbfec63a8, esi at 0xbfec63a4, eip at 0xbfec63ac
(gdb) list 481
476        CALL_VertexAttrib1fvNV(GET_DISPATCH(), (index, v));
477     }
478
479     static void GLAPIENTRY VertexAttrib2fvNV(GLuint index, const GLfloat 
*v)480     {
481        CALL_VertexAttrib2fvNV(GET_DISPATCH(), (index, v));
482     }
483
484     static void GLAPIENTRY VertexAttrib3fvNV(GLuint index, const GLfloat 
*v)485     {
(gdb) info args
index = 8
v = (const GLfloat *) 0x9f7cabb8
(gdb) info locals
No locals.
(gdb) print *0x9f7cabb8
$6 = 0
(gdb) up
#4  0xb5d0fd13 in _ae_loopback_array_elt (elt=717) at api_arrayelt.c:780
780           at->func( at->index, src );
(gdb) info frame
Stack level 4, frame at 0xbfec6410:
 eip = 0xb5d0fd13 in _ae_loopback_array_elt (api_arrayelt.c:780);
    saved eip 0xb5e3b926
 called by frame at 0xbfec6440, caller of frame at 0xbfec63b0
 source language c.
 Arglist at 0xbfec6408, args: elt=717
 Locals at 0xbfec6408, Previous frame's sp is 0xbfec6410
 Saved registers:
  ebx at 0xbfec63fc, ebp at 0xbfec6408, esi at 0xbfec6400, edi at 0xbfec6404,
  eip at 0xbfec640c
(gdb) info args
elt = 717
(gdb) info locals
actx = (const AEcontext *) 0xb6cf7e10
aa = <value optimized out>
at = (const AEattrib *) 0xb6cf7f1c
(gdb) print *0xb6cf7e10
$7 = -1228182136
(gdb) print *0xb6cf7f1c
$8 = -1228181296
(gdb) up
#5  0xb5e3b926 in fallback_drawelements (ctx=<value optimized out>,
    mode=<value optimized out>, count=27, indices=0xa19e8b70)
    at t_array_api.c:75
75            CALL_ArrayElement(GET_DISPATCH(), ( indices[i] ));
(gdb) info frame
Stack level 5, frame at 0xbfec6440:
 eip = 0xb5e3b926 in fallback_drawelements (t_array_api.c:75);
    saved eip 0x8140f90
 called by frame at 0xbfec6460, caller of frame at 0xbfec6410
 source language c.
 Arglist at 0xbfec6438, args: ctx=<value optimized out>,
    mode=<value optimized out>, count=27, indices=0xa19e8b70
 Locals at 0xbfec6438, Previous frame's sp is 0xbfec6440
 Saved registers:
  ebx at 0xbfec642c, ebp at 0xbfec6438, esi at 0xbfec6430, edi at 0xbfec6434,
  eip at 0xbfec643c
(gdb) info args
ctx = <value optimized out>
mode = <value optimized out>
count = 27
indices = (const GLuint *) 0xa19e8b70
(gdb) info locals
i = 1
__PRETTY_FUNCTION__ = "fallback_drawelements"
(gdb) print *0xa19e8b70
$9 = 717

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