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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Geometry missing from rendering, only when using Mesa."
   href="https://bugs.freedesktop.org/show_bug.cgi?id=95266#c7">Comment # 7</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Geometry missing from rendering, only when using Mesa."
   href="https://bugs.freedesktop.org/show_bug.cgi?id=95266">bug 95266</a>
              from <span class="vcard"><a class="email" href="mailto:david.lonie@kitware.com" title="David Lonie <david.lonie@kitware.com>"> <span class="fn">David Lonie</span></a>
</span></b>
        <pre>I'm trying to get a trace, but apitrace is failing an assertion:

$ apitrace trace --api gl bin/vtkRenderingCoreCxxTests
"TestTranslucentLUTDepthPeeling"                                                

vtkRenderingCoreCxxTests:
/build/apitrace/src/apitrace-7.1/build/wrappers/glxtrace.cpp:97195: void (*
_wrapProcAddress(const GLubyte*, __GLXextFuncPtr))(): Assertion `procPtr !=
(__GLXextFuncPtr)&glXCreateContextAttribsARB' failed.

This is only happening on Mesa (I get a successful trace using my system nVidia
drivers), and it also happens when following the "Trace manually" instructions
here:

<a href="https://github.com/apitrace/apitrace/blob/master/docs/USAGE.markdown#tracing-manually">https://github.com/apitrace/apitrace/blob/master/docs/USAGE.markdown#tracing-manually</a>

Is this issue familiar to anyone? I'll keep trying to get this working, but
would appreciate any tips if this is a known issue :)</pre>
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