<html>
<head>
<base href="https://bugs.freedesktop.org/" />
</head>
<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:407"
href="https://bugs.freedesktop.org/show_bug.cgi?id=57863">57863</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:407
</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: bdba4b30de15c4e7e6546f7eda37932d281f869c (master)
Run piglit copyteximage 1D on llvmpipe.
$ ./bin/copyteximage 1D -auto
Testing GL_TEXTURE_1D
Segmentation fault (core dumped)
(gdb) bt
#0 0x00007f6c09f05545 in fs33_variant3_partial ()
#1 0x00007f6c0c0c9b02 in lp_rast_shade_quads_mask (task=0xf6d888,
inputs=0xfbf480, x=8, y=0, mask=15)
at src/gallium/drivers/llvmpipe/lp_rast.c:407
#2 0x00007f6c0c0ccc4c in lp_rast_triangle_3_16 (task=0xf6d888, arg=...) at
src/gallium/drivers/llvmpipe/lp_rast_tri.c:353
#3 0x00007f6c0c0c9e6f in do_rasterize_bin (task=0xf6d888, bin=0x7f6c0eda1158)
at src/gallium/drivers/llvmpipe/lp_rast.c:550
#4 0x00007f6c0c0c9ed0 in rasterize_bin (task=0xf6d888, bin=0x7f6c0eda1158) at
src/gallium/drivers/llvmpipe/lp_rast.c:569
#5 0x00007f6c0c0c9fce in rasterize_scene (task=0xf6d888, scene=0x7f6c0eda1010)
at src/gallium/drivers/llvmpipe/lp_rast.c:628
#6 0x00007f6c0c0ca075 in lp_rast_queue_scene (rast=0xf6d870,
scene=0x7f6c0eda1010) at src/gallium/drivers/llvmpipe/lp_rast.c:657
#7 0x00007f6c0c0d5154 in lp_setup_rasterize_scene (setup=0xfac950) at
src/gallium/drivers/llvmpipe/lp_setup.c:159
#8 0x00007f6c0c0d56e5 in set_scene_state (setup=0xfac950,
new_state=SETUP_FLUSHED,
reason=0x7f6c0ccbda90 <__FUNCTION__.13351> "lp_setup_bind_framebuffer") at
src/gallium/drivers/llvmpipe/lp_setup.c:315
#9 0x00007f6c0c0d5837 in lp_setup_bind_framebuffer (setup=0xfac950,
fb=0xf6fa98) at src/gallium/drivers/llvmpipe/lp_setup.c:360
#10 0x00007f6c0c0edace in llvmpipe_set_framebuffer_state (pipe=0xf6f140,
fb=0x1063e90)
at src/gallium/drivers/llvmpipe/lp_state_surface.c:84
#11 0x00007f6c0c3d4f0c in cso_restore_framebuffer (ctx=0x10631e0) at
src/gallium/auxiliary/cso_cache/cso_context.c:640
#12 0x00007f6c0c42149d in util_blit_pixels (ctx=0x10a0b50, src_tex=0x1053f40,
src_level=0, srcX0=0, srcY0=16, srcX1=16,
srcY1=15, srcZ0=0, dst=0x1d501d0, dstX0=0, dstY0=0, dstX1=16, dstY1=1, z=0,
filter=0, writemask=7, zs_writemask=0)
at src/gallium/auxiliary/util/u_blit.c:795
#13 0x00007f6c0c23c041 in st_CopyTexSubImage (ctx=0x1004d50, dims=1,
texImage=0x112e6c0, destX=0, destY=0, destZ=0,
rb=0x1053db0, srcX=0, srcY=0, width=16, height=1) at
src/mesa/state_tracker/st_cb_texture.c:1058
#14 0x00007f6c0c1f238b in copyteximage (ctx=0x1004d50, dims=1, target=3552,
level=0, internalFormat=34837, x=0, y=0, width=16,
height=1, border=0) at src/mesa/main/teximage.c:3329
#15 0x00007f6c0c1f247c in _mesa_CopyTexImage1D (target=3552, level=0,
internalFormat=34837, x=0, y=0, width=16, border=0)
at src/mesa/main/teximage.c:3352
#16 0x0000000000401c08 in test_target_and_format (x=96, y=0, target=3552,
format=34837, expected=0x402b80 <fcolor+32>)
at piglit/tests/texturing/copyteximage.c:448
#17 0x00000000004028bc in piglit_display () at
piglit/tests/texturing/copyteximage.c:638
#18 0x00007f6c0ea002b0 in display () at
piglit/tests/util/piglit-framework-gl/piglit_glut_framework.c:60
#19 0x00007f6c0e1b6fc4 in ?? () from /usr/lib/x86_64-linux-gnu/libglut.so.3
#20 0x00007f6c0e1ba719 in fgEnumWindows () from
/usr/lib/x86_64-linux-gnu/libglut.so.3
#21 0x00007f6c0e1b745c in glutMainLoopEvent () from
/usr/lib/x86_64-linux-gnu/libglut.so.3
#22 0x00007f6c0e1b7d1d in glutMainLoop () from
/usr/lib/x86_64-linux-gnu/libglut.so.3
#23 0x00007f6c0ea00482 in run_test (gl_fw=0x7f6c0ecc8800 <glut_fw>, argc=2,
argv=0x7fff30ddf428)
at piglit/tests/util/piglit-framework-gl/piglit_glut_framework.c:127
#24 0x00007f6c0e9fe5a1 in piglit_gl_test_run (argc=2, argv=0x7fff30ddf428,
config=0x7fff30ddf310)
at piglit/tests/util/piglit-framework-gl.c:127
#25 0x00000000004015c6 in main (argc=3, argv=0x7fff30ddf428) at
piglit/tests/texturing/copyteximage.c:117
03aa3fd54bd8824d90307b3fbe5e26606212be40 is the first bad commit
commit 03aa3fd54bd8824d90307b3fbe5e26606212be40
Author: José Fonseca <<a href="mailto:jfonseca@vmware.com">jfonseca@vmware.com</a>>
Date: Mon Dec 3 13:55:45 2012 +0000
llvmpipe: Improve color buffer loads/stores alignment.
Tell LLVM the exact alignment we can guarantee, based on the fs block
dimensions, pixel format, and the alignment of the resource base pointer
and stride.
Reviewed-by: Roland Scheidegger <<a href="mailto:sroland@vmware.com">sroland@vmware.com</a>>
:040000 040000 9771e7e6f123205af175aaec42504409b05d3c02
f37c56f49bec18cc049dae291847016f28b9d4f2 M src
bisect run success</pre>
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