I'll second Eric's suggestion.
It might also help to have a backtrace from gdb in addition to your
strace output.
Cheers,
Mike
Wayne E. Harlan wrote:
> Eric Firing wrote:
>> If a straightforward plotting sequence, such as one of the examples,
>> does this, then it sounds like a broken installation, not a matplotlib
>> bug.
>>
> Based on your comment above, here are my particulars:
>
> 1) System is LinuxFromScratch recently built from their SVN book:
> glibc is 2.5, gcc is 4.1.2, X is Xorg 7.2 installed in /usr.
>
> 2) Python 2.5.1 with Tkinter enabled. If I run the following script,
> I get the 'quit' button which when clicked makes the button/window
> disappear, so I know python and Tkinter are working.
>
> #!/usr/bin/python
> from Tkinter import *
> class Application(Frame):
> def __init__(self, master=None):
> Frame.__init__(self, master)
> self.grid()
> self.createWidgets()
> def createWidgets(self):
> self.quitButton = Button ( self, text="Quit",command=self.quit )
> self.quitButton.grid()
> app = Application()
> app.master.title("Sample application")
> app.mainloop()
>
> 3) Numpy 1.0.3.1 installed without any errors and I can do the following:
>
> >>> import numpy
> >>> List = dir(numpy)
> >>> len(List)
> 491
> >>>
>
> 4) Matplotlib 0.90.1 also installed without error. I set
> BUILD_TKAGG = 1 which may not have been necessary, but it seems to
> have worked since in my matplotlibrc file I find "backend :
> TkAgg". Then if I do this
> " python simple_plot.py --verbose-debug", I get the output in the
> simple_output attachment. The font errors there are the same as what I
> get in each of my 3 XP installations where matplotlib works just fine,
> so I don't think they are the cause of the segfault. As I may have
> described previously, the plot window appears for a fraction of a second
> and then disappears as the segfault occurs.
>
> I also ran "strace python simple_plot.py --verbose-debug" with the
> output that's in the strace_output attachment to see if that would give
> any more information but that output ends at the segfault and I am not
> knowledgeable enough to understand what it says.
>
> Any help will be appreciated.
>
> Best Regards,
>
> Wayne
>
>
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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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