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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [llvmpipe] SIGSEGV src/gallium/drivers/llvmpipe/lp_rast.c:501"
href="https://bugs.freedesktop.org/show_bug.cgi?id=57674">57674</a>
</td>
</tr>
<tr>
<th>Keywords</th>
<td>regression
</td>
</tr>
<tr>
<th>CC</th>
<td>jfonseca@vmware.com
</td>
</tr>
<tr>
<th>Assignee</th>
<td>mesa-dev@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[llvmpipe] SIGSEGV src/gallium/drivers/llvmpipe/lp_rast.c:501
</td>
</tr>
<tr>
<th>Severity</th>
<td>critical
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>vlee@freedesktop.org
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>git
</td>
</tr>
<tr>
<th>Component</th>
<td>Other
</td>
</tr>
<tr>
<th>Product</th>
<td>Mesa
</td>
</tr></table>
<p>
<div>
<pre>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
We cannot bisect more!
bisect run cannot continue any more
commit fa1b481c09b14e01eca1b3db8e0854033f6dee3d
Author: James Benton <<a href="mailto:jbenton@vmware.com">jbenton@vmware.com</a>>
Date: Thu Sep 13 16:04:42 2012 +0100
llvmpipe: Unswizzled rendering.
Reviewed-by: Jose Fonseca <<a href="mailto:jfonseca@vmware.com">jfonseca@vmware.com</a>>
commit 1d3789bccbbcc814fd7b339e9f5b5631e30d9f0e
Author: James Benton <<a href="mailto:jbenton@vmware.com">jbenton@vmware.com</a>>
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 <<a href="mailto:jfonseca@vmware.com">jfonseca@vmware.com</a>></pre>
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