Brion,
Doubling the memory limit resolved my problem.  Thanks for the suggestion
(and the quick response).
Keith Welter

On Thu, Jan 29, 2015 at 9:58 AM, Brion Vibber <[email protected]> wrote:

> Memory limits are notoriously difficult to deal with on Unix like systems.
> Virtual memory address space can easily be exhausted mapping in the program
> itself, its libraries, and sometimes even scratch files might be memory
> mapped, eating address space up further.
>
> Usage also tends to be higher on 64-bit machines than 32, which was I think
> still common when we set the defaults.
>
> Probably we should just double the default and see if that's more
> reliable...
>
> -- brion
> On Jan 29, 2015 9:27 AM, "Keith Welter" <[email protected]> wrote:
>
> > The GraphViz extension uses wfShellExec() to invoke the "dot" command.
> > Sometime in the last month or so, on my Ubuntu 14.04 installation, the
> > command started failing with:
> > Warning: Could not load "/usr/lib/graphviz/libgvplugin_gd.so.6" - file
> > not found
> >
> > The file does exist and the dot command runs fine from a shell session.
> >
> > I found that by eliminating the ulimit -v option from ulimit4.sh, which
> > wfShellExec() invokes, the problem goes away.
> >
> > The -v limit is 102400 on my installation (so 100Mb).  I find it hard to
> > believe that dot actually needs that much virtual memory.
> >
> > Suggestions on how to proceed with debug would be much appreciated.
> >
> > Thanks,
> > Keith Welter
> > _______________________________________________
> > Wikitech-l mailing list
> > [email protected]
> > https://lists.wikimedia.org/mailman/listinfo/wikitech-l
> _______________________________________________
> Wikitech-l mailing list
> [email protected]
> https://lists.wikimedia.org/mailman/listinfo/wikitech-l
_______________________________________________
Wikitech-l mailing list
[email protected]
https://lists.wikimedia.org/mailman/listinfo/wikitech-l

Reply via email to