Re: [Plplot-general] Memory leaks in several plplot functions

[Andrew R. <and...@us...>]

Excellent. I'm glad we managed to track it down so quickly. Thanks for
your bug report.

Andrew

On Fri, Nov 23, 2012 at 03:49:34PM +0100, flo...@iw... wrote:
> Hi Guys,
> 
> it worked with the libraries in the new svn version - all plplot leaks  
> disappeared. Now I have just some GTK related leaks left - but that  
> shouldn't bother you.
> 
> THANKS a lot for the fast and efficient help!!
> 
> Flo.
> 
> Quoting Andrew Ross <and...@us...>:
> 
> > On Thu, Nov 22, 2012 at 09:10:08PM -0800, Alan Irwin wrote:
> >> On 2012-11-22 22:13+0100 flo...@iw... wrote:
> >>
> >> > Dear Andrew,
> >> >
> >> > thanks for the quick reply. My plplot version is 5.9.9 and I use the
> >> > current cairo driver on Ubuntu12.10.
> >>
> >> @Florian:
> >> Just to jump in here late, we actually need the exact command you used
> >> with example 2.
> >>
> >> @Andrew:
> >>
> >> I get valgrind clean results (for the svn trunk version of PLplot
> >> built on Debian wheezy) for both
> >>
> >> valgrind examples/c/x02c -dev pngcairo -o test.png -fam
> >>
> >> and
> >>
> >> valgrind examples/c/x02c -dev pngcairo -o test.png
> >>
> >> In sharp contrast to those good results
> >>
> >> valgrind examples/c/x02c -dev pscairo -o test.ps -fam
> >>
> >> and
> >>
> >> valgrind examples/c/x02c -dev pscairo -o test.ps
> >>
> >> both have dirty valgrind results.  Pending more precise information
> >> from Florian, my results may confirm what Florian has found (if in
> >> fact he used -dev pscairo) or it may be an additional valgrind issue
> >> that is unrelated to what he found.
> >
> > Alan,
> >
> > This is odd, because there definitely seems to be a bug in the plplot
> > code path for plotting text. I've just fixed it now. This gave
> > problems for both pngcairo and pscairo for me. This involved leaking
> > quite large amounts of memory, so I suspect this was Florian's
> > problem. On my Ubuntu system I still see a number of small leaks which
> > appear to be cairo / freetype related rather than plplot related.
> >
> > @Alan Can you check my fix on Debian wheezy?
> >
> > @Florian You might want to check the latest svn version of plplot to
> > see if this fixes your problem.
> >
> > Regards
> > Andrew
> >
> >
> 
> 
> 
> 
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