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<base href="https://bugs.freedesktop.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Firefox crashing when opening about:support with WebGL2 enabled"
href="https://bugs.freedesktop.org/show_bug.cgi?id=99456">99456</a>
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<th>Summary</th>
<td>Firefox crashing when opening about:support with WebGL2 enabled
</td>
</tr>
<tr>
<th>Product</th>
<td>Mesa
</td>
</tr>
<tr>
<th>Version</th>
<td>git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
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<th>Component</th>
<td>Drivers/Gallium/radeonsi
</td>
</tr>
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<th>Assignee</th>
<td>dri-devel@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>geecko.dev@free.fr
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>dri-devel@lists.freedesktop.org
</td>
</tr></table>
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<div>
<pre>Stack:
- firefox 50.1.0
- linux 4.8.13 and 4.10-RC4
- xorg-server 1.19.1
- mesa 17.0 180653c357
- llvm 5.0 292441
Hardware:
- R9 Fury
Steps to reproduce:
- open firefox
- open about:config
- set webgl.enable-webgl2 key to true
- open about:support
- firefox will crash with the following backtrace
#0 0x00007ffff7bc6ad0 in pthread_mutex_lock () at /usr/lib/libpthread.so.0
#1 0x00007fffc1de0d2c in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2 0x00007fffc1de13fb in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3 0x00007fffc1e00e82 in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#4 0x00007fffc1f39eff in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#5 0x00007fffc211df49 in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#6 0x00007fffc23c61a7 in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#7 0x00007fffc23c83eb in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#8 0x00007fffc23d9a30 in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#9 0x00007fffc2135634 in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#10 0x00007fffc21353e7 in () at /usr/lib/xorg/modules/dri/radeonsi_dri.so
#11 0x00007ffff7bc4454 in start_thread () at /usr/lib/libpthread.so.0
#12 0x00007ffff6e607df in clone () at /usr/lib/libc.so.6
Thread 48 "si_shader:1" received signal SIGSEGV, Segmentation fault.
Firefox Developer Edition from flatpak works properly.</pre>
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