mesa: c1023608002c985b9d72edc64732cd666de2a206

Run piglit fbo-rg-GL_R16 on llvmpipe.

$ ./bin/fbo-rg GL_R16 
Segmentation fault (core dumped)


(gdb) bt
#0  0x00007f14c39aa6f2 in fs26_variant0_partial ()
#1  0x00007f14c0d4b400 in lp_rast_shade_quads_mask (task=0x1bb7888, 
    inputs=0x1bf9050, x=4, y=4, mask=36079)
    at src/gallium/drivers/llvmpipe/lp_rast.c:501
#2  0x00007f14c0d50b35 in do_block_4_3 (task=0x1bb7888, tri=0x1bf9030, 
    plane=0x7ffff0ef63e0, x=4, y=4, c=0x7ffff0ef6300)
    at src/gallium/drivers/llvmpipe/lp_rast_tri_tmp.h:61
#3  0x00007f14c0d50e15 in do_block_16_3 (task=0x1bb7888, tri=0x1bf9030, 
    plane=0x7ffff0ef63e0, x=0, y=0, c=0x7ffff0ef63d0)
    at src/gallium/drivers/llvmpipe/lp_rast_tri_tmp.h:130
#4  0x00007f14c0d5134b in lp_rast_triangle_3 (task=0x1bb7888, arg=...)
    at src/gallium/drivers/llvmpipe/lp_rast_tri_tmp.h:232
#5  0x00007f14c0d4b980 in do_rasterize_bin (task=0x1bb7888, bin=0x7f14c3abb1a0)
    at src/gallium/drivers/llvmpipe/lp_rast.c:687
#6  0x00007f14c0d4b9e1 in rasterize_bin (task=0x1bb7888, bin=0x7f14c3abb1a0)
    at src/gallium/drivers/llvmpipe/lp_rast.c:706
#7  0x00007f14c0d4badf in rasterize_scene (task=0x1bb7888, 
    scene=0x7f14c3abb010) at src/gallium/drivers/llvmpipe/lp_rast.c:765
#8  0x00007f14c0d4bb86 in lp_rast_queue_scene (rast=0x1bb7870, 
    scene=0x7f14c3abb010) at src/gallium/drivers/llvmpipe/lp_rast.c:794
#9  0x00007f14c0d572b4 in lp_setup_rasterize_scene (setup=0x1bf6690)
    at src/gallium/drivers/llvmpipe/lp_setup.c:159
#10 0x00007f14c0d5782f in set_scene_state (setup=0x1bf6690, 
    new_state=SETUP_FLUSHED, 
    reason=0x7f14c193d0b0 <__FUNCTION__.12439> "llvmpipe_transfer_map")
    at src/gallium/drivers/llvmpipe/lp_setup.c:313
#11 0x00007f14c0d57919 in lp_setup_flush (setup=0x1bf6690, 
    fence=0x7ffff0ef66e8, 
    reason=0x7f14c193d0b0 <__FUNCTION__.12439> "llvmpipe_transfer_map")
    at src/gallium/drivers/llvmpipe/lp_setup.c:342
#12 0x00007f14c0d47634 in llvmpipe_flush (pipe=0x1bb8e80, 
    fence=0x7ffff0ef66e8, 
    reason=0x7f14c193d0b0 <__FUNCTION__.12439> "llvmpipe_transfer_map")
    at src/gallium/drivers/llvmpipe/lp_flush.c:55
#13 0x00007f14c0d47679 in llvmpipe_finish (pipe=0x1bb8e80, 
    reason=0x7f14c193d0b0 <__FUNCTION__.12439> "llvmpipe_transfer_map")
    at src/gallium/drivers/llvmpipe/lp_flush.c:82
#14 0x00007f14c0d4774d in llvmpipe_flush_resource (pipe=0x1bb8e80, 
    resource=0x1f6f1b0, level=0, layer=0, read_only=1 '\001', 
    cpu_access=1 '\001', do_not_block=0 '\000', 
    reason=0x7f14c193d0b0 <__FUNCTION__.12439> "llvmpipe_transfer_map")
    at src/gallium/drivers/llvmpipe/lp_flush.c:121
#15 0x00007f14c0d23ffa in llvmpipe_transfer_map (pipe=0x1bb8e80, 
    resource=0x1f6f1b0, level=0, usage=1, box=0x7ffff0ef6820, 
    transfer=0x1d74a28) at src/gallium/drivers/llvmpipe/lp_texture.c:649
#16 0x00007f14c0ec7788 in pipe_transfer_map (context=0x1bb8e80, 
    resource=0x1f6f1b0, level=0, layer=0, usage=PIPE_TRANSFER_READ, x=0, y=0, 
    w=64, h=64, transfer=0x1d74a28)
    at src/gallium/auxiliary/util/u_inlines.h:404
#17 0x00007f14c0ec7e78 in st_texture_image_map (st=0x1c8fc80, 
    stImage=0x1d749d0, zoffset=0, usage=PIPE_TRANSFER_READ, x=0, y=0, w=64, 
    h=64) at src/mesa/state_tracker/st_texture.c:252
#18 0x00007f14c0ebd844 in st_MapTextureImage (ctx=0x1c48c10, 
    texImage=0x1d749d0, slice=0, x=0, y=0, w=64, h=64, mode=1, 
    mapOut=0x7ffff0ef6988, rowStrideOut=0x7ffff0ef6964)
    at src/mesa/state_tracker/st_cb_texture.c:203
#19 0x00007f14c0f4b73b in get_tex_rgba_uncompressed (ctx=0x1c48c10, 
    dimensions=2, format=6408, type=5126, pixels=0x7ffff0f06b80, 
    texImage=0x1d749d0, transferOps=0) at src/mesa/main/texgetimage.c:352
#20 0x00007f14c0f4b9f4 in get_tex_rgba (ctx=0x1c48c10, dimensions=2, 
    format=6408, type=5126, pixels=0x7ffff0f06b80, texImage=0x1d749d0)
    at src/mesa/main/texgetimage.c:437
#21 0x00007f14c0f4bdcc in _mesa_get_teximage (ctx=0x1c48c10, format=6408, 
    type=5126, pixels=0x7ffff0f06b80, texImage=0x1d749d0)
    at src/mesa/main/texgetimage.c:569
#22 0x00007f14c0ebe869 in st_GetTexImage (ctx=0x1c48c10, format=6408, 
    type=5126, pixels=0x7ffff0f06b80, texImage=0x1d749d0)
    at src/mesa/state_tracker/st_cb_texture.c:697
#23 0x00007f14c0f4c729 in _mesa_GetnTexImageARB (target=3553, level=0, 
    format=6408, type=5126, bufSize=2147483647, pixels=0x7ffff0f06b80)
    at src/mesa/main/texgetimage.c:827
#24 0x00007f14c0f4c786 in _mesa_GetTexImage (target=3553, level=0, 
    format=6408, type=5126, pixels=0x7ffff0f06b80)
    at src/mesa/main/texgetimage.c:837
#25 0x00000000004021cc in render_and_check_textures (internal_format=33322)
    at piglit/tests/fbo/fbo-rg.c:386
#26 0x00000000004026b6 in piglit_init (argc=2, argv=0x7ffff0f16d58)
    at piglit/tests/fbo/fbo-rg.c:484
#27 0x00007f14c3698901 in run_test (gl_fw=0x7f14c3951800 <glut_fw>, argc=2, 
    argv=0x7ffff0f16d58)
    at piglit/tests/util/piglit-framework-gl/piglit_glut_framework.c:125
#28 0x00007f14c3696a25 in piglit_gl_test_run (argc=2, argv=0x7ffff0f16d58, 
    config=0x7ffff0f16c40)
    at piglit/tests/util/piglit-framework-gl.c:127
#29 0x0000000000401696 in main (argc=2, argv=0x7ffff0f16d58)
    at piglit/tests/fbo/fbo-rg.c:55


There are only 'skip'ped commits left to test.
The first bad commit could be any of:
1d3789bccbbcc814fd7b339e9f5b5631e30d9f0e
fa1b481c09b14e01eca1b3db8e0854033f6dee3d
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commit fa1b481c09b14e01eca1b3db8e0854033f6dee3d
Author: James Benton <jbenton@vmware.com>
Date:   Thu Sep 13 16:04:42 2012 +0100

    llvmpipe: Unswizzled rendering.
    
    Reviewed-by: Jose Fonseca <jfonseca@vmware.com>

commit 1d3789bccbbcc814fd7b339e9f5b5631e30d9f0e
Author: James Benton <jbenton@vmware.com>
Date:   Wed Jul 11 15:39:53 2012 +0100

    gallivm: Updated lp_build_const_mask_aos to input number of channels.
    
    Also updated lp_build_const_mask_aos_swizzled to reflect this.
    
    Reviewed-by: Jose Fonseca <jfonseca@vmware.com>