[R] bug or just me

[Eric Berger]

Hi Martin,
This is a known bug. Definitely related to Ubuntu (debian), libopenblas and
possibly specific hardware.
Here's a bug report on the Debian list

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=961725

Best,
Eric


On Sun, May 31, 2020 at 4:38 AM Bert Gunter <bgunter.4567 using gmail.com> wrote:

> No clue.
>
> Worked fine in R 4.0.0
> I would try updating R.Maybe your BLAS got corrupted.
>
> Bert Gunter
>
> "The trouble with having an open mind is that people keep coming along and
> sticking things into it."
> -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
>
>
> On Sat, May 30, 2020 at 5:57 PM Martin Møller Skarbiniks Pedersen <
> traxplayer using gmail.com> wrote:
>
> > Hi,
> >   Is this a bug or just me doing something stupid?
> >   solve(m) never returns and eats 100% CPU.
> >
> > > sessionInfo()
> > R version 3.6.3 (2020-02-29)
> > Platform: x86_64-pc-linux-gnu (64-bit)
> > Running under: Ubuntu 20.04 LTS
> >
> > Matrix products: default
> > BLAS:   /usr/lib/x86_64-linux-gnu/openblas-pthread/libblas.so.3
> > LAPACK: /usr/lib/x86_64-linux-gnu/openblas-pthread/liblapack.so.3
> >
> > Random number generation:
> >  RNG:     Mersenne-Twister
> >  Normal:  Inversion
> >  Sample:  Rounding
> >
> > locale:
> >  [1] LC_CTYPE=en_US.UTF-8       LC_NUMERIC=C
> >  [3] LC_TIME=en_US.UTF-8        LC_COLLATE=en_US.UTF-8
> >  [5] LC_MONETARY=en_US.UTF-8    LC_MESSAGES=en_US.UTF-8
> >  [7] LC_PAPER=en_US.UTF-8       LC_NAME=C
> >  [9] LC_ADDRESS=C               LC_TELEPHONE=C
> > [11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C
> >
> > attached base packages:
> > [1] stats     graphics  grDevices utils     datasets  methods   base
> >
> > loaded via a namespace (and not attached):
> > [1] compiler_3.6.3
> > > set.seed(1)
> > > m <- matrix(sample(1:25), nrow=5)
> > > solve(m)
> >
> >         [[alternative HTML version deleted]]
> >
> > ______________________________________________
> > R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide
> > http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
> >
>
>         [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>

	[[alternative HTML version deleted]]