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

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Package: guix;

Reported by: Kyle Meyer <kyle <at> kyleam.com>

Date: Fri, 13 Nov 2015 16:07:02 UTC

Severity: normal

Done: Ricardo Wurmus <ricardo.wurmus <at> mdc-berlin.de>

Bug is archived. No further changes may be made.

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Message #8 received at 21909 <at> debbugs.gnu.org (full text, mbox):

From: Ricardo Wurmus <rekado <at> elephly.net>
To: Kyle Meyer <kyle <at> kyleam.com>
Cc: 21909 <at> debbugs.gnu.org
Subject: Re: bug#21909: Segfault with eigen in R
Date: Fri, 13 Nov 2015 21:26:34 +0100

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.

~~ Ricardo
This bug report was last modified 9 years and 77 days ago.

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