Hi Dirk, Le jeudi 28 mai 2020 à 07:07 -0500, Dirk Eddelbuettel a écrit : > Package: libopenblas-dev > Version: 0.3.8+ds-1 > Severity: serious
> In short, when libopenblas-dev is installed (as e.g. from r-base-dev as a > dependency from libblas-dev, liblapack-dev) then > > libopenblas0-pthread > > is installed first via our depends ranking as libopenblas-pthread-dev comes > first. > > This has served us well over the years but can exhibit a bug which I for > example saw with (Ubuntun's) 0.3.8+ds-1 package. Running a simple > > example(solve) > > in R hangs in an unsuspendable session (ie no Ctrl-C, kill is needed). > Simplest test is on the command-line via > > $ Rscript -e 'example(solve)' > > Removing libopenbkas0-pthread and installing libopenblas-openmp-dev helps. As > does a manual reordering of the alternatives. > > This bug is reproducible on my system with a i7-8700k. I’ve tried to reproduce it on my i7-8700K, without success. I used a clean sid chroot (with r-base 4.0.0-3 and openblas 0.3.9+ds-1). Downgrading to openblas 0.3.8+ds-1 (which is the version against which you reported the bug) does not change anything. So it’s not clear that this bug is tied to a specific hardware. At least, a given CPU model is not a guarantee of reproducibility. -- ⢀⣴⠾⠻⢶⣦⠀ Sébastien Villemot ⣾⠁⢠⠒⠀⣿⡁ Debian Developer ⢿⡄⠘⠷⠚⠋⠀ https://sebastien.villemot.name ⠈⠳⣄⠀⠀⠀⠀ https://www.debian.org
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