On Fri, May 2, 2008 at 10:50 AM, bcha <[EMAIL PROTECTED]> wrote:
>
>
>  I am experiencing a similar problem but I get a different error
>  message. I am running OS 10.5 on a macbook pro. I was using sage2.10
>  and I didn't have this problem. Below is what I got after I upgraded
>  to sage 3.0.
>

Wow, that is extremely weird.  I've never seen that before.
What happens if you install this binary?
   
http://sagemath.org/SAGEbin/apple_osx/intel/sage-3.0-osx10.5-intel-i386-Darwin.dmg

>  Thanks.
>
>  ====
>  sage: plot(sin(x), (0,10))
>  sage.bin(395) malloc: *** error for object 0xa08c46d8: Non-aligned
>  pointer being freed
>  *** set a breakpoint in malloc_error_break to debug
>  sage.bin(395) malloc: *** error for object 0xa08c46d8: Non-aligned
>  pointer being freed
>  *** set a breakpoint in malloc_error_break to debug
>  sage.bin(395) malloc: *** error for object 0xa08c46d8: Non-aligned
>  pointer being freed
>  *** set a breakpoint in malloc_error_break to debug
>  sage.bin(395) malloc: *** error for object 0xa08c46d8: Non-aligned
>  pointer being freed
>  *** set a breakpoint in malloc_error_break to debug
>
>  (and a few dozen more identical lines follow.)
>
>
>
>
>
>
>  On May 1, 9:28 am, "William Stein" <[EMAIL PROTECTED]> wrote:
>
> > On Tue, Apr 29, 2008 at 1:36 PM, sediment <[EMAIL PROTECTED]> wrote:
>  >
>  > >  i recently installed sage 2.11 and it ran without incident except that
>  > >  i was unable to run octave fully. this is one problem i would like
>  > >  worked out, but not the most immediate.
>  >
>  > >  i really like sage, and so installed 3.0 a few days ago as soon as it
>  > >  came out. installed the binary 'sage-3.0-osx10.4-intel-i386-
>  > >  Darwin.dmg' from the 
> websitehttp://www.sagemath.org/SAGEbin/apple_osx/intel/
>
> >
>  > Hello,
>  >
>  > I have finally been able to build and upload a new OS X 10.4 Intel binary:
>  >
>  >  http://sagemath.org/SAGEbin/apple_osx/intel/sage-3.0-osx10.4-intel-i3...
>
>
> >
>  > If possible, please try it out and see if it resolves your plotting issue.
>  >
>  > Thanks!
>  >
>  > William
>  >
>  >
>  >
>  > >  i am running sage 3.0 on a Macbook Pro intel Core 2 Duo, with OS X
>  > >  10.4.11.
>  > >  i operate sage from a firefox notebook interface.
>  >
>  > >  with the new install SAGE 3.0 i cannot plot anything, and am really
>  > >  stuck. when i say
>  > >  sage> plot(sin(x), 0, 10)
>  > >  ------------------------------- begin error
>  > >  message----------------------------
>  > >  i get the following error message:
>  > >  Traceback (most recent call last):
>  > >   File "<stdin>", line 1, in <module>
>  > >   File "/Users/sediment/.sage/sage_notebook/worksheets/admin/12/code/
>  > >  1.py", line 6, in <module>
>  > >     plot(sin(x), Integer(0), Integer(10))
>  > >   File "/Applications/sage/local/lib/python2.5/site-packages/sympy/
>  > >  plotting/", line 1, in <module>
>  >
>  > >   File "sage_object.pyx", line 92, in
>  > >  sage.structure.sage_object.SageObject.__repr__ (sage/structure/
>  > >  sage_object.c:620)
>  > >   File "/Applications/sage/local/lib/python2.5/site-packages/sage/plot/
>  > >  plot.py", line 738, in _repr_
>  > >     self.show()
>  > >   File "/Applications/sage/local/lib/python2.5/site-packages/sage/plot/
>  > >  plot.py", line 1246, in show
>  > >     aspect_ratio=aspect_ratio)
>  > >   File "/Applications/sage/local/lib/python2.5/site-packages/sage/plot/
>  > >  plot.py", line 1346, in save
>  > >     from matplotlib.figure import Figure
>  > >   File "/Applications/sage/local/lib/python2.5/site-packages/
>  > >  matplotlib/figure.py", line 10, in <module>
>  > >     from axes import Axes, Subplot, PolarSubplot, PolarAxes
>  > >   File "/Applications/sage/local/lib/python2.5/site-packages/
>  > >  matplotlib/axes.py", line 20, in <module>
>  > >     from matplotlib import image as mimage
>  > >   File "/Applications/sage/local/lib/python2.5/site-packages/
>  > >  matplotlib/image.py", line 19, in <module>
>  > >     from matplotlib import _image
>  > >  ImportError: dlopen(/Applications/sage/local/lib/python2.5/site-
>  > >  packages/matplotlib/_image.so, 2): Library not loaded: /sw/lib/
>  > >  libpng12.0.dylib
>  > >   Referenced from: /Applications/sage/local/lib/python2.5/site-
>  > >  packages/matplotlib/_image.so
>  > >   Reason: Incompatible library version: _image.so requires version
>  > >  17.0.0 or later, but libpng12.0.dylib provides version 0.1.2
>  >
>  > >  -------------------------------- end error message
>  > >  ----------------------
>  > >  i am not very savvy with coding/linux and getting into the guts of
>  > >  programs, and am wondering if there is a SIMPLE fix (if so, assume i
>  > >  know nothing and make any suggestions very EXPLICIT). thanks in
>  > >  advance.
>  >
>  > --
>
> > William Stein
>  > Associate Professor of Mathematics
>  > University of Washingtonhttp://wstein.org
>
>
>
> >
>



-- 
William Stein
Associate Professor of Mathematics
University of Washington
http://wstein.org

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