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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Segfault when calling glViewport on surfaceless EGL context without bound FBO"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90821#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Segfault when calling glViewport on surfaceless EGL context without bound FBO"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90821">bug 90821</a>
from <span class="vcard"><a class="email" href="mailto:mattst88@gmail.com" title="Matt Turner <mattst88@gmail.com>"> <span class="fn">Matt Turner</span></a>
</span></b>
<pre>Indeed, I can reproduce on master using your test program (thanks a lot for
that!)
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff4e1ad42 in dri2InvalidateDrawable (drawable=0x0) at
../../../../../../mesa/src/mesa/drivers/dri/common/dri_util.c:798
798 drawable->dri2.stamp++;
(gdb) bt
#0 0x00007ffff4e1ad42 in dri2InvalidateDrawable (drawable=0x0) at
../../../../../../mesa/src/mesa/drivers/dri/common/dri_util.c:798
#1 0x00007ffff4e382b5 in intel_viewport (ctx=0x7ffff7fcf040) at
../../../../../../mesa/src/mesa/drivers/dri/i965/brw_context.c:155
#2 0x00007ffff4b9f405 in _mesa_Viewport (x=0, y=0, width=0, height=0) at
../../../mesa/src/mesa/main/viewport.c:125
#3 0x00000000004014f4 in main (argc=1, argv=0x7fffffffe148) at main.cpp:180</pre>
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