Can you provide a gdb backtrace?

Run "gdb python", then at the gdb prompt type "run -c 'import pylab; 
pylab.clf(); pylab.plot(pylab.sin(range(101))); pylab.xlabel("Test X"); 
pylab.ylabel("Test Y"); pylab.show()'".  After it segfaults, type "bt" 
to get a backtrace, and copy-and-paste it to this list.

Mike

Joseph D Cali wrote:
> I am encountering the following error:
>
> python -c 'import pylab; pylab.clf(); pylab.plot(pylab.sin(range(101)));
> pylab.xlabel("Test X"); pylab.ylabel("Test Y"); pylab.show()'
>
> /local_home/calijos/usr/lib/python2.6/site-packages/matplotlib/backends/backend_gtk.py:621:
>  DeprecationWarning: Use the new widget gtk.Tooltip
>   self.tooltips = gtk.Tooltips()
> Segmentation fault
>
> -------------------------------------------------------------
>
> But when I run the following command, I encounter no errors and plot is
> as expected:
>
> python -c 'import pylab; pylab.clf(); pylab.plot(pylab.sin(range(100)));
> pylab.xlabel("Test X"); pylab.ylabel("Test Y"); pylab.show()'
>
> I tried several other plots, any plots with less than 100 points work
> correctly, any plots with more than 100 points segfault.
>
> -------------------------------------------------------------
>
> My current system setup is:
>
> System: Ubuntu 9.04 x64
> Python: Python 2.6.2
> Matplotlib: >0.99.1 (tied 0.99.1.1, 0.99.1.2, and latest SVN version:
> 8126)
> Numpy Version: 1.5.0.dev8106
>
> I have been a long time Matplotlib user, and have never encountered this
> issue.  It started whenever I updated numpy and scipy.  However,
> reverting to the old version does not seem to fix the situation.  I also
> cannot get numpy to crash on its own.  All my software works when
> plotting is disabled.
>
> Has anyone else experienced this or similar problems during an upgrade?
>
> Joe
>
>
>
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-- 
Michael Droettboom
Science Software Branch
Operations and Engineering Division
Space Telescope Science Institute
Operated by AURA for NASA


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