From: Ricardo Wurmus <ricardo.wurmus@mdc-berlin.de>
To: Kyle Meyer <kyle@kyleam.com>
Cc: 21909@debbugs.gnu.org
Subject: bug#21909: Segfault with eigen in R
Date: Wed, 2 Mar 2016 11:40:53 +0100 [thread overview]
Message-ID: <idjoaaxyxfu.fsf@bimsb-sys02.mdc-berlin.net> (raw)
In-Reply-To: <87r3j7qdc1.fsf@kyleam.com>
Kyle Meyer <kyle@kyleam.com> writes:
> I've opened an issue in the OpenBLAS repo [1].
>
> https://github.com/xianyi/OpenBLAS/issues/703
>
> I'm trying to answer their questions, but, as is apparent in that
> thread, I'm not really familiar with debugging these sorts of problems.
> Since others are able to reproduce the error, any help over there would
> be very appreciated.
>
> [1] The last post suggested it may be an R issue rather than an OpenBLAS
> one, but I wanted to be more sure of that before going to R
> developers, especially given their comment about the --with-lapack
> flag:
>
> "Please do bear in mind that using --with-lapack is 'definitely not
> recommended': it is provided only because it is necessary on some
> platforms and because some users want to experiment with claimed
> performance improvements. Reporting problems where it is used
> unnecessarily will simply irritate the R helpers."
>
> https://cran.r-project.org/doc/manuals/r-release/R-admin.html#LAPACK
We have since removed OpenBLAS from the inputs of R and just use the
internal BLAS instead. Without OpenBLAS I cannot reproduce this bug
any more.
~~ Ricardo
next prev parent reply other threads:[~2016-03-02 10:42 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-13 15:53 bug#21909: Segfault with eigen in R Kyle Meyer
2015-11-13 20:26 ` Ricardo Wurmus
2015-11-19 0:37 ` Kyle Meyer
2015-11-19 9:39 ` Ludovic Courtès
2015-11-20 0:05 ` Kyle Meyer
2015-11-20 9:58 ` Ludovic Courtès
2015-11-30 23:25 ` Kyle Meyer
2016-03-02 10:40 ` Ricardo Wurmus [this message]
2016-03-02 21:09 ` Ludovic Courtès
2016-03-03 20:54 ` Ricardo Wurmus
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