[Bug 33262] New: [r600g] glean glsl1-shadow2D(): [1-4] regression

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=33262

           Summary: [r600g] glean glsl1-shadow2D(): [1-4] regression
           Product: Mesa
           Version: git
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: Drivers/Gallium/r600
        AssignedTo: dri-devel at lists.freedesktop.org
        ReportedBy: vlee at vmware.com


mesa: 568e0083651dd29e5bce94ade8625a64a0e85e88 (master)

chipset: RV620
system architecture: i686
libdrm-dev: 2.14.21-1ubuntu2.1
kernel version: 2.6.35-24-generic
Linux distribution: Ubuntu 10.10 i386

Run glean glsl1 'shadow2D(): 1' test.

$ PIGLIT_TEST="shadow2D(): 1" ./bin/glean -r results -t glsl1
glsl1: Running single test: shadow2D(): 1
Segmentation fault


(gdb) bt
#0  r600_bc_add_alu_type (bc=0xa38338c, alu=0xbfe1687c, type=8) at
src/gallium/drivers/r600/r600_asm.c:1134
#1  0x0107c2c5 in r600_bc_add_alu (bc=0xa38338c, alu=0xbfe1687c) at
src/gallium/drivers/r600/r600_asm.c:1195
#2  0x01086280 in tgsi_tex (ctx=0xbfe16f74) at
src/gallium/drivers/r600/r600_shader.c:1848
#3  0x01081d8b in r600_shader_from_tgsi (tokens=0xa385c70, shader=0xa383388,
literals=0xbfe17588) at src/gallium/drivers/r600/r600_shader.c:600
#4  0x01080dec in r600_pipe_shader_create (ctx=0x9d4c690, shader=0xa383388,
tokens=0xa385c70) at src/gallium/drivers/r600/r600_shader.c:246
#5  0x0106f119 in r600_create_shader_state (ctx=0x9d4c690, state=0xa218afc) at
src/gallium/drivers/r600/r600_state_common.c:276
#6  0x011ca8ac in st_translate_fragment_program (st=0xa088020, stfp=0xa214860,
key=0xbfe178b0) at src/mesa/state_tracker/st_program.c:625
#7  0x011ca9a3 in st_get_fp_variant (st=0xa088020, stfp=0xa214860,
key=0xbfe178b0) at src/mesa/state_tracker/st_program.c:656
#8  0x0125f21c in update_fp (st=0xa088020) at
src/mesa/state_tracker/st_atom_shader.c:86
#9  0x0125b18f in st_validate_state (st=0xa088020) at
src/mesa/state_tracker/st_atom.c:196
#10 0x01266c71 in st_Clear (ctx=0xa048700, mask=17) at
src/mesa/state_tracker/st_cb_clear.c:464
#11 0x011f0d08 in _mesa_Clear (mask=16640) at src/mesa/main/clear.c:242
#12 0x080efe96 in GLEAN::GLSLTest::testProgram(GLEAN::ShaderProgram const&) ()
#13 0x080f02f3 in GLEAN::GLSLTest::runOne(GLEAN::MultiTestResult&,
GLEAN::Window&) ()
#14 0x080c591e in
GLEAN::BaseTest<GLEAN::MultiTestResult>::run(GLEAN::Environment&) ()
#15 0x080bdc46 in main ()
(gdb) frame 0
#0  r600_bc_add_alu_type (bc=0xa38338c, alu=0xbfe1687c, type=8) at
src/gallium/drivers/r600/r600_asm.c:1134
1134                r600_bc_special_constants(
(gdb) l
1129        for (i = 0; i < 3; i++) {
1130            if (nalu->src[i].sel >= bc->ngpr && nalu->src[i].sel < 128) {
1131                bc->ngpr = nalu->src[i].sel + 1;
1132            }
1133            if (nalu->src[i].sel == V_SQ_ALU_SRC_LITERAL)
1134                r600_bc_special_constants(
1135                    nalu->src[i].value[nalu->src[i].chan],
1136                    &nalu->src[i].sel, &nalu->src[i].neg);
1137        }
1138        if (nalu->dst.sel >= bc->ngpr) {
(gdb) print nalu->src[i].value
$1 = (u32 *) 0x0

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