On Nov 27 22:28, Achim Gratz wrote:
> Corinna Vinschen writes:
> > On second thought, what I'm wondering about is what exactly *is* the
> > problem with AVX? While the AVX context isn't saved when running signal
> > handlers or getcontext, it's very unlikely that the AVX state changes at
> > all w
Corinna Vinschen writes:
> On second thought, what I'm wondering about is what exactly *is* the
> problem with AVX? While the AVX context isn't saved when running signal
> handlers or getcontext, it's very unlikely that the AVX state changes at
> all when running a system function or signal handle
On Nov 27 20:33, Achim Gratz wrote:
> Corinna Vinschen writes:
> >> I hope this affects 64 bit only?
>
> I don't know if it would even be possible to run AVX code from 32bit,
> but yes, the three reports so far have been from 64bit systems.
>
> > Btw., for the time being it might be prudent to di
Corinna Vinschen writes:
>> I hope this affects 64 bit only?
I don't know if it would even be possible to run AVX code from 32bit,
but yes, the three reports so far have been from 64bit systems.
> Btw., for the time being it might be prudent to disable AVX in gmp...
There is no configure option
On Nov 27 10:37, Corinna Vinschen wrote:
> On Nov 27 10:32, Corinna Vinschen wrote:
> > Hi Achim,
> >
> > On Nov 26 19:17, Achim Gratz wrote:
> > >
> > > You may have noted that the recent gmp update makes problems on some
> > > machines and two of the three reports come from Broadwell CPU. Ther
On Nov 27 10:32, Corinna Vinschen wrote:
> Hi Achim,
>
> On Nov 26 19:17, Achim Gratz wrote:
> >
> > You may have noted that the recent gmp update makes problems on some
> > machines and two of the three reports come from Broadwell CPU. There is
> > one thing that did indeed change with the upda
Hi Achim,
On Nov 26 19:17, Achim Gratz wrote:
>
> You may have noted that the recent gmp update makes problems on some
> machines and two of the three reports come from Broadwell CPU. There is
> one thing that did indeed change with the update and that is use of the
> AVX ADC instruction on Broa
You may have noted that the recent gmp update makes problems on some
machines and two of the three reports come from Broadwell CPU. There is
one thing that did indeed change with the update and that is use of the
AVX ADC instruction on Broadwell/Skylake. Is it possible that somehow
the stack mod