Re: [Discuss-gnuradio] OpenGL running out of memory

[John Shields]

Thanks Marcus,

                        Will give that a try.

                                Kind Regards,

                                       John

On 29/05/16 08:27, Marcus Müller wrote:
> Hi John,
>
> you could try and disable OpenGL acceleration for WX Gui. That's usually
> not a good thing, and it doesn't always help if your system randomly
> hangs in WX things, but if it solves this:
>
> find (or create) your ~/.gnuradio/config.conf and add
>
> [wxgui]
> style = nongl
>
> Best regards,
> Marcus
>
>
> On 29.05.2016 02:22, John Shields wrote:
> > Hi,
> >      Have GNURadio 3.7.9.2 installed on Ubuntu 15.10. I have been
> > running simple_ra but don't believe that is germane to the problem at
> > hand.
> >
> >      I am running simple_ra_receiver under debug (have seen
> > segmentation errors in libc in the past and trying to narrow down)
> > but, again, don't think this is a factor in the symptom.
> >
> >      Traceback (most recent call last):
> >    File
> > "/usr/local/lib/python2.7/dist-packages/gnuradio/wxgui/plotter/plotter_base.py",
> > line 209, in _on_paint
> >      for fcn in self._draw_fcns: fcn[1]()
> >    File
> > "/usr/local/lib/python2.7/dist-packages/gnuradio/wxgui/plotter/plotter_base.py",
> > line 65, in draw
> >      GL.glCallList(self._grid_compiled_list_id)
> >    File "/usr/lib/python2.7/dist-packages/OpenGL/error.py", line 208,
> > in glCheckError
> >      baseOperation = baseOperation,
> > OpenGL.error.GLError: GLError(
> >      err = 1285,
> >      description = 'out of memory',
> >      baseOperation = glCallList,
> >      cArguments = (2L,)
> > )
> >
> >     The graphics screen is frozen (grey) but the rest of the threads
> > run OK.
> >     In terms of system memory, shows 1.9GiB of 15.6 so I don't believe
> > the system is running out of physical memory.
> >
> >     Cannot find anything relating to this issue vis-a-vis GNURadio.
> >
> >     Any ideas of what is going wrong or a workaround I could implement
> > to avoid?
> >
> >             Kind Regards,
> >
> >                       John
> >
> >
> >
> >
> >
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>
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