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Re: [Maxima-discuss] GCL crash / environment variable, Debian package, w

From: Camm Maguire
Subject: Re: [Maxima-discuss] GCL crash / environment variable, Debian package, was: sbcl-only testsuite fail [gamma_incomplete_lower] in rtest_simplify_sum
Date: Fri, 10 Apr 2020 19:28:54 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux)

Last December, gcl moved the control file for
GCL_MULTIPROCESS_MEMORY_POOL to the user's homedir to get around
multiuser access problems.  One can also step around all such issues


If problems persist beyond this please let me know.

Take care,

Gunter Königsmann <address@hidden> writes:

>  Maybe you can contact the maintainer of the Debian package for Maxima
> and ask him for advice about it. I don't think I can help solve this
> problem -- I don't observe that behavior on my system, and I don't
> know enough about GCL to offer a solution.
> Hey! That happens to be the problem I was investigating on the launchpad 
> virtual build servers.
> I wasn't sure if it is actually is a real problem since on my own 
> (non-virtual) machine I never encountered it. And there actually are options 
> on what we can do (see my other mail I've just sent to this list). But I 
> don't know if any of these options is optimal, so I would like
> the others to decide: Memory management isn't a strong point of gcl. If we 
> don't tweak it in src/maxima.in
> * we typically cannot run maxima on the same machine thunderbird, Chromium or 
> firefox runs on
> * we typically cannot run two maxima sessions on the same machine
> * And the build servers having only 16GB of RAM available for our test suite 
> run don't manage to run maxima's test suite without running out-of-memory.
> But if we tweak gcl's memory management there (like we actually do) the 
> settings we decide upon might not be helpful for the actual user that runs an 
> actual problem.
> Kind regards,
>    Gunter.
> _______________________________________________
> Maxima-discuss mailing list
> address@hidden
> https://lists.sourceforge.net/lists/listinfo/maxima-discuss

Camm Maguire                                        address@hidden
"The earth is but one country, and mankind its citizens."  --  Baha'u'llah

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