[Bug 40213] New: src/mesa/state_tracker/st_glsl_to_tgsi.cpp:3176:copy_propagate: Assertion `inst->dst.file != PROGRAM_TEMPORARY || inst->dst.index < this->next_temp' failed.

* [Bug 40213] New: src/mesa/state_tracker/st_glsl_to_tgsi.cpp:3176:copy_propagate: Assertion `inst->dst.file != PROGRAM_TEMPORARY || inst->dst.index < this->next_temp' failed.
@ 2011-08-18 23:46 bugzilla-daemon
  2011-08-19  2:57 ` [Bug 40213] [r300g] " bugzilla-daemon
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: bugzilla-daemon @ 2011-08-18 23:46 UTC (permalink / raw)
  To: dri-devel

https://bugs.freedesktop.org/show_bug.cgi?id=40213

           Summary: src/mesa/state_tracker/st_glsl_to_tgsi.cpp:3176:copy_p
                    ropagate: Assertion `inst->dst.file !=
                    PROGRAM_TEMPORARY || inst->dst.index <
                    this->next_temp' failed.
           Product: Mesa
           Version: git
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: Drivers/Gallium/r300
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: vlee@vmware.com

System environment:
-- chipset: ATI RV530
-- system architecture: i686
-- libdrm-dev: 2.4.26-1ubuntu1
-- mesa: ccecc08f79afc020c8c0acface04a8e53e3a7c32 (master)
-- kernel version: 3.0.0-8-generic
-- Linux distribution: Ubuntu 11.10 i386

Run piglit glsl-vs-varying-array test.

$ ./bin/shader_runner -auto tests/shaders/glsl-vs-varying-array.shader_test
r300: DRM version: 2.10.0, Name: ATI RV530, ID: 0x71c5, GB: 1, Z: 2
r300: GART size: 509 MB, VRAM size: 128 MB
r300: AA compression RAM: YES, Z compression RAM: YES, HiZ RAM: YES
src/mesa/state_tracker/st_glsl_to_tgsi.cpp:3176:copy_propagate: Assertion
`inst->dst.file != PROGRAM_TEMPORARY || inst->dst.index < this->next_temp'
failed.

(gdb) bt
#0  0x011be647 in _debug_assert_fail (
    expr=0x1c3ff34 "inst->dst.file != PROGRAM_TEMPORARY || inst->dst.index <
this->next_temp", file=0x1c3f364 "src/mesa/state_tracker/st_glsl_to_tgsi.cpp", 
    line=3176, function=0x1c40730 "copy_propagate")
    at src/gallium/auxiliary/util/u_debug.c:282
#1  0x01aa9749 in glsl_to_tgsi_visitor::copy_propagate (this=0x842f140)
    at src/mesa/state_tracker/st_glsl_to_tgsi.cpp:3175
#2  0x01aae803 in get_mesa_program (ctx=0x8285980, shader_program=0x8497068, 
    shader=0x84b8088) at src/mesa/state_tracker/st_glsl_to_tgsi.cpp:4733
#3  0x01aaee49 in st_link_shader (ctx=0x8285980, prog=0x8497068)
    at src/mesa/state_tracker/st_glsl_to_tgsi.cpp:4891
#4  0x019bb101 in _mesa_glsl_link_shader (ctx=0x8285980, prog=0x8497068)
    at src/mesa/program/ir_to_mesa.cpp:3423
#5  0x0198307c in link_program (ctx=0x8285980, program=3)
    at src/mesa/main/shaderapi.c:877
#6  0x0198459c in _mesa_LinkProgramARB (programObj=3)
    at src/mesa/main/shaderapi.c:1461
#7  0x0806bea4 in link_and_use_shaders ()
#8  0x0806dfde in piglit_init ()
#9  0x0806ec71 in main ()
(gdb) frame 1
#1  0x01aa9749 in glsl_to_tgsi_visitor::copy_propagate (this=0x842f140)
    at src/mesa/state_tracker/st_glsl_to_tgsi.cpp:3175
3175          assert(inst->dst.file != PROGRAM_TEMPORARY
(gdb) l
3170       int level = 0;
3171    
3172       foreach_iter(exec_list_iterator, iter, this->instructions) {
3173          glsl_to_tgsi_instruction *inst = (glsl_to_tgsi_instruction
*)iter.get();
3174    
3175          assert(inst->dst.file != PROGRAM_TEMPORARY
3176                 || inst->dst.index < this->next_temp);
3177    
3178          /* First, do any copy propagation possible into the src regs. */
3179          for (int r = 0; r < 3; r++) {
(gdb) print inst->dst.file
$1 = PROGRAM_TEMPORARY
(gdb) print inst->dst.index
$2 = 3
(gdb) print this->next_temp
$3 = 3

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