two questions

OK, I just checked the archives. This definitely has

    > cropped up before on ipython w/ matplotlib under 0.83.2.
    > Steve Schmerler reported it on the user's list and we had
    > some extensive discussions on and off list and never found
    > the cause. He eventually just started using the debian
    > package at which point the bug hunt was terminated.

    > Fernando, if you can replicate it on your box with your
    > current install, maybe you can set me up with an account and
    > I'll log in and see if I can trace it. It looks like it's
    > going to be a gtk/ipython/matplotlib/threading multi-headed
    > monster.

OK, this is getting thornier by the minute. Fernando gave me an
account on his system running mpl 0.83.2 and ipython CVS and I logged
in over X11 and was unable to reproduce the bug. He then logged in as
me locally so we had the same environment and got the crash.

The only two differences I can see are that I have a different X11
server on my local machine and that the delays may be different since
he is local and I am remote over ssh. So it could be some kind of
nasty GUI timing threading thingie.

If anyone has any ideas that these facts inspirec, fire away.

JDH

I am using the TkAgg backend and was hesitant to post this since everyone agrees that it works,
but I rebuilt mpl from cvs this morning with VERBOSE =True, and confirmed that ipython
still crashes. Python works fine.

I am using python 2.4.1, freetype 2.9 on MacOSX with the X11 version of Tk.
Here's some of the output of plot().

Nadia

SeparableTransformation::eval_scalars
Affine::eval_scalars
Affine::eval_scalars DONE
Affine::operator
SeparableTransformation::operator
/Users/dencheva/cvs-matplotlib/test-crash/install/matplotlib/font_manager.py:984: UserWarning: Could not match sans-serif, normal, normal. Returning /Users/dencheva/cvs-matplotlib/test-crash/install/matplotlib/share/matplotlib/Vera.ttf
   warnings.warn('Could not match %s, %s, %s. Returning %s' % (name, style, variant, self.defaultFont))
ft2font_module::new_ft2font
FT2Font::FT2Font
FT2Font::clear
FT2Font::setattr
FT2Font::getattr
FT2Font::clear
FT2Font::getattr
Value::get
FT2Font::set_size
FT2Font::getattr
FT2Font::set_text
Bus error

···

On Sep 14, 2005, at 3:47 PM, John Hunter wrote:

    > OK, I just checked the archives. This definitely has
    > cropped up before on ipython w/ matplotlib under 0.83.2.
    > Steve Schmerler reported it on the user's list and we had
    > some extensive discussions on and off list and never found
    > the cause. He eventually just started using the debian
    > package at which point the bug hunt was terminated.

    > Fernando, if you can replicate it on your box with your
    > current install, maybe you can set me up with an account and
    > I'll log in and see if I can trace it. It looks like it's
    > going to be a gtk/ipython/matplotlib/threading multi-headed
    > monster.

OK, this is getting thornier by the minute. Fernando gave me an
account on his system running mpl 0.83.2 and ipython CVS and I logged
in over X11 and was unable to reproduce the bug. He then logged in as
me locally so we had the same environment and got the crash.

The only two differences I can see are that I have a different X11
server on my local machine and that the delays may be different since
he is local and I am remote over ssh. So it could be some kind of
nasty GUI timing threading thingie.

If anyone has any ideas that these facts inspirec, fire away.

JDH

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