[Slackbuilds-users] OpenBLAS issue
Mário Antunes
mariolpantunes at gmail.com
Wed Apr 24 14:38:37 UTC 2019
Dear Tim,
In the slackfile I do not set the Target CPU.
Where do you propose to add your contribution?
Mário Antunes
Mário Antunes <mariolpantunes at gmail.com> escreveu no dia quinta, 21/03/2019
à(s) 21:48:
> I will update the script,
>
>
> Thanks
>
> On 21/03/2019 17:46, Tim Dickson wrote:
> > I'm having an issue with OpenBLAS slackbuild.
> > if I use a qemu vm with -cpu host (the actual host cpu is AMD
> > A10-9700) and pass the variable TARGET=ATHLON
> > then the build fails part way through.
> >
> > if I use the same qemu vm with -cpu qemu64 and pass the variable
> > TARGET=ATHLON
> > then the build completes.
> >
> > This is the reverse of the previous behaviour of the openblas script.
> >
> > I am guessing because if you use cpu=host, the real cpu is reported,
> > and for whatever reason, OpenBLAS does not like the combination of AMD
> > A10-9700 being reported when actually running in a vm without TARGET
> > being specified (and it is not used in the script if a qemu vm is not
> > detected).
> >
> > the script uses a uname -p to detect if it is in a qemu vm
> > using
> > if [ "x`dmidecode |grep Manufacturer|head -n1|awk '{print $NF}'`" =
> > "xQEMU" ]; then
> >
> > allows it to detect more reliably if it is running in a qemu vm.
> > I tested the script modified with the above qemu detection, and it
> > completes in both scenarios
> > regards, Tim
>
--
Mário Antunes
about.me/mariolpantunes
[image: Mário Antunes on about.me]
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