[Pkg-octave-devel] Bug#675509: octave: fltk does not work (almost)

[Francesco Potortì]

I wrote:

>One more data point that is maybe related.  Since it seems that the
>problem comes from some synch problem, it may be interesting what I just
>observed.
>
>Due to a java server that was probably generating too much network load,
>I had a system where all four cores were used at 50% load by ksoftirqd.
>In this situation, launching octave from inside Emacs with run-octave
>often fails.  The background process is created, and it even receives
>commands (I can close it by issuing a 'quit' in the inferior octave
>buffer) but it does not interact well with Emacs, specifically, Emacs
>does not show Octave's output.  This behaviour is not deterministic:
>after trying an avaerage of two or three times, I get a working inferior
>octave subprocess.  This defective behaviour disappears when I stop the
>java process and consequently the ksoftirqd processes.

I forgot to add the best piece of information: with the overloaded
system, once Octave starts regularly as an Emacs subprocess, top says
that it consumes over 80% cpu, even when idle...

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