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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [regression] "i965: Print disassembly after compaction." SIGSEGV"
href="https://bugs.freedesktop.org/show_bug.cgi?id=79218">79218</a>
</td>
</tr>
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<th>Assignee</th>
<td>idr@freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[regression] "i965: Print disassembly after compaction." SIGSEGV
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-3d-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Reporter</th>
<td>andreas.reis@gmail.com
</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>Drivers/DRI/i965
</td>
</tr>
<tr>
<th>Product</th>
<td>Mesa
</td>
</tr></table>
<p>
<div>
<pre>"i965: Print disassembly after compaction." (bisected) introduces a SIGSEGV
when trying to playback videos with mpv:
Program received signal SIGSEGV, Segmentation fault.
0x00007fffd3c73c40 in annotation_finalize(annotation_info*, unsigned int) ()
from /usr/lib/xorg/modules/dri/i965_dri.so
(gdb) bt
#0 0x00007fffd3c73c40 in annotation_finalize(annotation_info*, unsigned int)
() from /usr/lib/xorg/modules/dri/i965_dri.so
#1 0x00007fffd3c499e7 in fs_generator::generate_code(exec_list*,
annotation_info*) () from /usr/lib/xorg/modules/dri/i965_dri.so
#2 0x00007fffd3c4af2e in fs_generator::generate_assembly(exec_list*,
exec_list*, unsigned int*) () from /usr/lib/xorg/modules/dri/i965_dri.so
#3 0x00007fffd3c3bfd1 in brw_wm_fs_emit () from
/usr/lib/xorg/modules/dri/i965_dri.so
#4 0x00007fffd3caf0dd in do_wm_prog () from
/usr/lib/xorg/modules/dri/i965_dri.so
#5 0x00007fffd3c3bc2f in brw_fs_precompile(gl_context*, gl_shader_program*) ()
from /usr/lib/xorg/modules/dri/i965_dri.so
#6 0x00007fffd3c73263 in brw_link_shader () from
/usr/lib/xorg/modules/dri/i965_dri.so
#7 0x00007fffd3b0b00e in _mesa_glsl_link_shader () from
/usr/lib/xorg/modules/dri/i965_dri.so
#8 0x00007fffd3924e0b in _mesa_get_fixed_func_fragment_program () from
/usr/lib/xorg/modules/dri/i965_dri.so
#9 0x00007fffd39cfc36 in _mesa_update_state_locked () from
/usr/lib/xorg/modules/dri/i965_dri.so
#10 0x00007fffd39cfd11 in _mesa_update_state () from
/usr/lib/xorg/modules/dri/i965_dri.so
#11 0x00007fffd39f240c in _mesa_TexImage2D () from
/usr/lib/xorg/modules/dri/i965_dri.so
It also makes Steam crash on start.
Arch Linux x64
Haswell 4770 / HD 4600</pre>
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