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<body><span class="vcard"><a class="email" href="mailto:kenneth@whitecape.org" title="Kenneth Graunke <kenneth@whitecape.org>"> <span class="fn">Kenneth Graunke</span></a>
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<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - segfault in i965 brw_upload_cache when calling glLinkProgram"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101652">bug 101652</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Resolution</td>
<td>---
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<td>NOTOURBUG
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<td style="text-align:right;">Status</td>
<td>NEW
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<td>RESOLVED
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - segfault in i965 brw_upload_cache when calling glLinkProgram"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101652#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - segfault in i965 brw_upload_cache when calling glLinkProgram"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101652">bug 101652</a>
from <span class="vcard"><a class="email" href="mailto:kenneth@whitecape.org" title="Kenneth Graunke <kenneth@whitecape.org>"> <span class="fn">Kenneth Graunke</span></a>
</span></b>
<pre>We talked about this on IRC today, and vsyrjala noticed that the example
program fopens the rendernode with "w" mode - for writing, but not reading.
The fix is to use "r+" (reading and writing).
Apparently if you can't read from the rendernode device, then GTT mappings
fail, which gives us a NULL pointer for the program cache map.</pre>
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