[Bug 27937] New: SEGV in r700_assembler.c next_ins() with RV670 kms

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=27937

           Summary: SEGV in r700_assembler.c next_ins() with RV670 kms
           Product: Mesa
           Version: git
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/R600
        AssignedTo: dri-devel at lists.freedesktop.org
        ReportedBy: a.heider at gmail.com


the game 0ad crashes when just starting a single player game.

ubuntu lucid, mainline 2.6.34-rc6, xorg-edgers

#0  0x00007fffea2926e3 in next_ins (pAsm=0x7fffe11b4690)
    at r700_assembler.c:2619
No locals.
#1  0x00007fffea292f4b in assemble_MOV (pAsm=0x7fffe11b4690)
    at r700_assembler.c:3874
No locals.
#2  0x00007fffea297b4d in AssembleInstr (uiFirstInst=1, uiIL_Shift=256, 
    uiNumberInsts=4, pILInst=0x7fffe11b6550, pR700AsmCode=0x7fffe11b4690)
    at r700_assembler.c:5622
No locals.
#3  0x00007fffea299678 in r700TranslateFragmentShader (fp=0x7fffe11b03e0, 
    mesa_fp=0x7fffe11b03e0, ctx=0xb615d0) at r700_fragprog.c:412
        number_of_colors_exported = <value optimized out>
        z_enabled = <value optimized out>
        shadow_unit = <value optimized out>
        i = 126
        inst = 0x0
        shadow_ambient = {STATE_INTERNAL, STATE_SHADOW_AMBIENT, 0, 0, 0}
#4  0x00007fffea2a4ac7 in r700UpdateShaders (ctx=0x7fffe11b4690)
    at r700_state.c:73
No locals.
#5  0x00007fffea2a6097 in r700TryDrawPrims (ctx=0xb615d0, 
    arrays=<value optimized out>, prim=<value optimized out>, 
    nr_prims=<value optimized out>, ib=0x7fffffffdfe0, 
    index_bounds_valid=<value optimized out>, min_index=0, max_index=126)
    at r700_render.c:904
        i = <value optimized out>
        rrb = <value optimized out>
        emit_end = <value optimized out>
#6  r700DrawPrims (ctx=0xb615d0, arrays=<value optimized out>, 
    prim=<value optimized out>, nr_prims=<value optimized out>, 
    ib=0x7fffffffdfe0, index_bounds_valid=<value optimized out>, min_index=0, 
    max_index=126) at r700_render.c:993
No locals.
#7  0x00007fffea350dec in vbo_validated_drawrangeelements (ctx=0xb615d0, 
    mode=4, index_bounds_valid=<value optimized out>, start=0, end=126, 
    count=126, type=5123, indices=0x7fffe110b010, basevertex=0, primcount=1)
    at vbo/vbo_exec_array.c:721
        ib = {count = 126, type = 5123, obj = 0xb03e80, ptr = 0x7fffe110b010}
        prim = {{mode = 4, indexed = 1, begin = 1, end = 1, weak = 0, pad = 0, 
            start = 0, count = 126, basevertex = 0, num_instances = 1}}
#8  0x00007fffea35107d in vbo_exec_DrawRangeElementsBaseVertex (
    mode=<value optimized out>, start=0, end=126, count=126, type=5123, 
    indices=0x7fffe110b010, basevertex=0) at vbo/vbo_exec_array.c:829
        warnCount = 0
        ctx = 0xb615d0
        __PRETTY_FUNCTION__ = "vbo_exec_DrawRangeElementsBaseVertex"
#9  0x00007fffea351170 in vbo_exec_DrawRangeElements (mode=3776661136, 
    start=256, end=7, count=-518298288, type=256, indices=0x3)
    at vbo/vbo_exec_array.c:846
No locals.

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