GNU bug report logs - #21909
Segfault with eigen in R

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From: Kyle Meyer <kyle <at> kyleam.com>
To: Ricardo Wurmus <rekado <at> elephly.net>
Cc: 21909 <at> debbugs.gnu.org
Subject: bug#21909: Segfault with eigen in R
Date: Wed, 18 Nov 2015 19:37:12 -0500

Ricardo Wurmus <rekado <at> elephly.net> writes:

> Kyle Meyer <kyle <at> kyleam.com> writes:
>
>> With R 3.2.2 built from r in statistics.scm (guix 0.9.0), I'm seeing a
>> segfault when eigen is called with a matrix over some size.  I can
>> trigger the error with the following code [1]:
>>
>>     > M <- 50
>>     > N <- 500
>>     > eigen(crossprod(matrix(rnorm(M * N), M, N)))
>>
>>      *** caught segfault ***
>>     address 0xfb0, cause 'memory not mapped'
>>
>>     Traceback:
>>      1: eigen(crossprod(matrix(rnorm(M * N), M, N)))
>>
>> Can others reproduce this?
>
> I can reproduce this running R 3.2.2 on GuixSD on a x86_64 machine.

I haven't had any luck resolving this aside from just using R's internal
BLAS by removing "--with-blas=openblas" and "--with-lapack" from the
configure flags.

--
Kyle

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