Correction, this error occurs on all GUI backends I've tried (I don't have gtk installed). The malloc error didn't occur on the other backends until I tried to interact with the plot window.
-T On May 27, 2009, at 12:36 PM, Tony S Yu wrote: > I'm running into a really bizarre error that seems to have started > spontaneously (no changes I can think of were made to my system in the > last few days and mpl was plotting without problems up until a few > hours ago). When using WxAgg, the following code raises a malloc > error. > >>>> import matplotlib.pyplot as plt >>>> plt.plot([0, 1]) >>>> plt.show() > > Python(477,0xa0710720) malloc: *** error for object 0x220068: Non- > aligned pointer being freed > *** set a breakpoint in malloc_error_break to debug > > This error only occurs on the Wx/WxAgg backends AND when show() is > called; Qt4Agg, TkAgg, and MacOSX backends work fine. > > This error is also generated when starting ipython with the pylab flag > (and WxAgg set as the default backend). > > Sorry I can't give more information about the error itself; I'm not > sure how to in this case. > > Thanks in advance for your help, > -Tony > > Mac OS X 10.5.7 > Python 2.5.1 > Matplotlib trunk r7142 > WX 2.8.4.0 (mac-unicode) > > ------------------------------------------------------------------------------ > Register Now for Creativity and Technology (CaT), June 3rd, NYC. CaT > is a gathering of tech-side developers & brand creativity > professionals. Meet > the minds behind Google Creative Lab, Visual Complexity, Processing, & > iPhoneDevCamp as they present alongside digital heavyweights like > Barbarian > Group, R/GA, & Big Spaceship. http://p.sf.net/sfu/creativitycat-com > _______________________________________________ > Matplotlib-users mailing list > Matplotlib-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/matplotlib-users ------------------------------------------------------------------------------ Register Now for Creativity and Technology (CaT), June 3rd, NYC. CaT is a gathering of tech-side developers & brand creativity professionals. Meet the minds behind Google Creative Lab, Visual Complexity, Processing, & iPhoneDevCamp as they present alongside digital heavyweights like Barbarian Group, R/GA, & Big Spaceship. http://p.sf.net/sfu/creativitycat-com _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users