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<th>Priority</th>
<td>medium
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Launching weston fails with error "radeon 0000:01:00.0: forbidden register 0x00008040 at 558""
href="https://bugs.freedesktop.org/show_bug.cgi?id=59945">59945</a>
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<th>Assignee</th>
<td>dri-devel@lists.freedesktop.org
</td>
</tr>
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<th>Summary</th>
<td>Launching weston fails with error "radeon 0000:01:00.0: forbidden register 0x00008040 at 558"
</td>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr>
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<th>OS</th>
<td>Linux (All)
</td>
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<th>Reporter</th>
<td>g02maran@gmail.com
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<th>Hardware</th>
<td>x86-64 (AMD64)
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<th>Status</th>
<td>NEW
</td>
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<th>Version</th>
<td>XOrg CVS
</td>
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<th>Component</th>
<td>DRM/Radeon
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<th>Product</th>
<td>DRI
</td>
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=73742" name="attach_73742" title="patch">attachment 73742</a> <a href="attachment.cgi?id=73742&action=edit" title="patch">[details]</a></span>
patch
When i looked up register 0x00008040 i saw that it was defined as WAIT_UNTIL.
The function that prints that error is 'evergreen_cs_check_reg' in
evergreen_cs.c. Since the WAIT_UNTIL is not present in reg_srcs/cayman (i have
a radeon 6950) the cayman_reg_safe_bm test fail and since WAIT_UNTIL is not
present in any of the switch cases it hits the default case.
But WAIT_UNTIL was present in reg_srcs/evergreen, so i copied the WAIT_UNTIL
line from evergreen to cayman. I also copied the rest of the WAIT_UNTIL_POLL*
because they seemed related.
This fixed the issue for me but i do not know if this is the proper fix.
Tested on kernel 3.8.0-rc5 and wayland/weston master and mesa master.</pre>
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