Re: WARNING: CPU: 0 PID: 3031 at ./arch/x86/include/asm/fpu/internal.h:530 fpu__restore+0x90/0x130()

From: Ingo Molnar
Date: Wed Feb 17 2016 - 06:07:11 EST



* Borislav Petkov <bp@xxxxxxxxx> wrote:

> On Wed, Feb 17, 2016 at 10:35:12AM +0100, Ingo Molnar wrote:
> > So it probably triggers on vanilla v4.4 (or v4.5-rc4) as well, with no
> > recent FPU bits applied?
>
> Nope, 4.4 doesn't trigger. Lemme try some of those other commits...

My guess is:

58122bf1d856 x86/fpu: Default eagerfpu=on on all CPUs

but could be one of the others as well ...

Thanks,

Ingo