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SubjectRe: Current mainline git (24e700e291d52bd2) hangs when building e.g. perf
On 2017.09.09 at 16:33 +0200, Borislav Petkov wrote:
> On Sat, Sep 09, 2017 at 04:20:14PM +0200, Markus Trippelsdorf wrote:
> > > # rdmsr -a 0x00000410
> >
> > 3fffffff
> > 0
> > 0
> > 0
>
> WTF?! Those should be equal on every CPU. Yikes, we need to pay
> attention to those... Grrr.
>
> # wrmsr -a 0x00000410 0x3ffffbff
>
> should fix your issue.

No, it doesn't work:

x4 ~ # rdmsr -a 0x00000410
3fffffff
0
0
0
x4 ~ # wrmsr -a 0x00000410 0x3ffffbff
x4 ~ # rdmsr -a 0x00000410
3ffffbff
0
0
0

--
Markus

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