mesa: d18df9e336b5d2e68a4a6185f7b9d0d0c095c3c4 (master)

chipset: 945GM (Intel GMA 950)
system architecture: i686
xserver-xorg-video-intel: 2:2.12.0-1ubuntu5.1
libdrm-intel1: 2.4.21-1ubuntu2.1
kernel version: 2.6.35-22-generic
Linux distribution: Ubuntu 10.10 i386
Machine model: Macmini1,1

Run glean pixelFormats test.

$ ./bin/glean -r results -t pixelFormats --quick
..
glean: intel_regions.c:289: intel_region_release: Assertion `region->map_refcount == 0' failed.

(gdb) bt
#0  0x00737416 in __kernel_vsyscall ()
#1  0x008fd941 in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#2  0x00900e42 in abort () at abort.c:92
#3  0x008f68e8 in __assert_fail (
    assertion=0x12112db "region->map_refcount == 0", 
    file=0x1211299 "intel_regions.c", line=289, 
    function=0x1211447 "intel_region_release") at assert.c:81
#4  0x00f4d3f2 in intel_region_release (region_handle=0xa489bb4)
    at intel_regions.c:289
#5  0x00f508dd in intel_miptree_release (intel=0xa155ef8, mt=0xa489350)
    at intel_mipmap_tree.c:204
#6  0x00f54ee0 in intel_finalize_mipmap_tree (intel=0xa155ef8, unit=0)
    at intel_tex_validate.c:162
#7  0x00f5aa7f in i915_update_tex_unit (intel=0xa155ef8, unit=0, ss3=0)
    at i915_texstate.c:153
#8  0x00f5b38c in i915UpdateTextureState (intel=0xa155ef8)
    at i915_texstate.c:392
#9  0x00fbe143 in intelRunPipeline (ctx=0xa155ef8) at intel_tris.c:1063
#10 0x010a0a4a in _tnl_draw_prims (ctx=0xa155ef8, arrays=0xa19c438, 
    prim=0xbfcfd45c, nr_prims=1, ib=0x0, min_index=0, max_index=3)
    at tnl/t_draw.c:478
#11 0x010a07b7 in _tnl_vbo_draw_prims (ctx=0xa155ef8, arrays=0xa19c438, 
    prim=0xbfcfd45c, nr_prims=1, ib=0x0, index_bounds_valid=1 '\001', 
    min_index=0, max_index=3) at tnl/t_draw.c:384
#12 0x0109013e in vbo_draw_arrays (ctx=0xa155ef8, mode=6, start=0, count=4, 
    numInstances=1) at vbo/vbo_exec_array.c:588
#13 0x01090295 in vbo_exec_DrawArrays (mode=6, start=0, count=4)
    at vbo/vbo_exec_array.c:619
#14 0x01091851 in _mesa_DrawArrays (mode=6, first=0, count=4)
    at vbo/vbo_exec_array.c:1223
#15 0x01137191 in _mesa_meta_DrawPixels (ctx=0xa155ef8, x=0, y=0, width=16, 
    height=16, format=6410, type=5121, unpack=0xa164bc8, pixels=0xa48ec78)
    at drivers/common/meta.c:1970
#16 0x00f575af in intelDrawPixels (ctx=0xa155ef8, x=0, y=0, width=16, 
    height=16, format=6410, type=5121, unpack=0xa164bc8, pixels=0xa48ec78)
    at intel_pixel_draw.c:56
#17 0x011b42da in _mesa_DrawPixels (width=16, height=16, format=6410, 
    type=5121, pixels=0xa48ec78) at main/drawpix.c:96
#18 0x08107463 in GLEAN::PixelFormatsTest::DrawImage (this=0x81b99c0, 
    width=16, height=16, format=6410, type=5121, intFormat=0, 
    image=0xa48ec78 "\377")
    at piglit/tests/glean/tpixelformats.cpp:794
#19 0x081085cc in GLEAN::PixelFormatsTest::TestCombination (this=0x81b99c0, 
    format=6410, type=5121, intFormat=0)
    at piglit/tests/glean/tpixelformats.cpp:1237
#20 0x08108971 in GLEAN::PixelFormatsTest::runOne (this=0x81b99c0, r=..., w=
    ...) at piglit/tests/glean/tpixelformats.cpp:1371
#21 0x080c591e in GLEAN::BaseTest<GLEAN::MultiTestResult>::run (
    this=0x81b99c0, environment=...)
    at piglit/tests/glean/tbase.h:325
#22 0x080bdc46 in main (argc=7, argv=0xbfcfda24)
    at piglit/tests/glean/main.cpp:141

(gdb) frame 4
#4  0x00f4d3f2 in intel_region_release (region_handle=0xa489bb4)
    at intel_regions.c:289
289	      assert(region->map_refcount == 0);
(gdb) print region->map_refcount
$1 = 1