[Bug 29901] New: [r300g] Programs crash with segfault

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=29901

           Summary: [r300g] Programs crash with segfault
           Product: Mesa
           Version: git
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Drivers/DRI/r300
        AssignedTo: dri-devel at lists.freedesktop.org
        ReportedBy: ncl at privat.dk


In the last week a lot of my program crash with a segfault (OpenSceneGraph,
Blender 2.5.3, Make Human etc.). Other program with gallium works ok. They all
crash the same way and here are my (gdb) bt:

Program received signal SIGSEGV, Segmentation fault.

#0  0x00007fffe52fd130 in r300_emit_aos_swtcl (r300=0xfceb40, indexed=0 '\000')
at r300_emit.c:847
#1  0x00007fffe52fec13 in r300_render_draw_arrays (render=0xb01750,
start=<value optimised out>, count=4) at r300_render.c:834
#2  0x00007fffe54bb52b in draw_pt_emit_linear (emit=<value optimised out>,
vert_info=<value optimised out>, prim_info=0x7fffffff9930) at
draw/draw_pt_emit.c:265
#3  0x00007fffe54ba49e in emit (middle=0xa69800, fetch_info=0x7fffffff9960,
prim_info=0x7fffffff9930) at draw/draw_pt_fetch_shade_pipeline_llvm.c:200
#4  llvm_pipeline_generic (middle=0xa69800, fetch_info=0x7fffffff9960,
prim_info=0x7fffffff9930) at draw/draw_pt_fetch_shade_pipeline_llvm.c:288
#5  0x00007fffe54ba5a4 in llvm_middle_end_linear_run (middle=0xc7, start=<value
optimised out>, count=4, prim_flags=201) at
draw/draw_pt_fetch_shade_pipeline_llvm.c:348
#6  0x00007fffe5479981 in vsplit_segment_simple_linear (frontend=0xff60c0,
start=368, count=4) at draw/draw_pt_vsplit_tmp.h:229
#7  vsplit_run_linear (frontend=0xff60c0, start=368, count=4) at
draw/draw_split_tmp.h:61
#8  0x00007fffe5475ba5 in draw_pt_arrays (draw=0xfe1570, info=0x7fffffffa170)
at draw/draw_pt.c:113
#9  draw_vbo (draw=0xfe1570, info=0x7fffffffa170) at draw/draw_pt.c:398
#10 0x00007fffe52ffc86 in r300_swtcl_draw_vbo (pipe=0xfceb40,
info=0x7fffffffa170) at r300_render.c:687
#11 0x00007fffe5430b8b in st_draw_vbo (ctx=<value optimised out>, arrays=<value
optimised out>, prims=<value optimised out>, nr_prims=<value optimised out>,
ib=0x0, index_bounds_valid=<value optimised out>, min_index=0, max_index=511)
    at state_tracker/st_draw.c:722
#12 0x00007fffe5454588 in vbo_save_playback_vertex_list (ctx=0x100cc20,
data=0xe178b0) at vbo/vbo_save_draw.c:287
#13 0x00007fffe5340d7a in ext_opcode_execute (ctx=0x100cc20, list=<value
optimised out>) at main/dlist.c:533
#14 execute_list (ctx=0x100cc20, list=<value optimised out>) at
main/dlist.c:6883
#15 0x00007fffe5343922 in _mesa_CallList (list=3) at main/dlist.c:8140

My system: Radeon 1250x (rs600), ubuntu maverick 10.10 64 bit, running mesa
from xorg-edgers fresh X crack (mesa from 30/8/2010).

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