On Fri, Oct 21, 2011 at 4:52 PM, Ben Hilburn <b...@ettus.com> wrote: > Hey all - > > I'm using gnuradio-next (testing CMake and such). If I use the OpenGL FFT > in GRC, and click the "Persistence" checkbox, the flowgraph crashes and > spits this out: > > File "/usr/lib/python2.7/site-packages/OpenGL/error.py", line 208, in > glCheckError > baseOperation = baseOperation, > OpenGL.error.GLError: GLError( > err = 1282, > description = 'invalid operation', > baseOperation = glAccum, > cArguments = (GL_LOAD, 1.0) > ) > > If I don't use OpenGL, the persistence feature works just fine. Has anyone > else seen this error before? > > My setup: > linux; GNU C++ version 4.6.1 20110819 (prerelease); Boost_104700; > UHD_003.003.000-13899cd > Python 2.7 > GNURadio next branch, commit: 882089131a00da24 > python-opengl 3.0.1-2 > > Cheers, > Ben >
<sarcasm> What? Problems with OpenGL in GNU Radio? Nope, never heard of that before </sarcasm> Not sure if I've heard that particular problem, but there have been other reports of OpenGL issues. They can often be OS and hardware specific, so it's been really hard to work out these problems. Tom
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