Re: random insta-reboots on AMD Phenom II

[Borislav Petkov]

On Sat, Sep 30, 2017 at 01:29:03PM +0200, Adam Borowski wrote:
> On Sat, Sep 30, 2017 at 01:11:37PM +0200, Borislav Petkov wrote:
> > On Sat, Sep 30, 2017 at 04:05:16AM +0200, Adam Borowski wrote:
> > > Any hints how to debug this?
> > 
> > Do
> > rdmsr -a 0xc0010015
> > as root and paste it here.
> 
> 1000010
> 1000010
> 1000010
> 1000010
> 1000010
> 1000010
> 
> on both 4.13.4 and 4.14-rc2+.

Boot into -rc2+ and do as root:

# wrmsr -a 0xc0010015 0x1000018

If the issue gets fixed then Mr. Luto better revert the new lazy TLB
flushing fun'n'games for 4.14 before it is too late and that kernel
releases b0rked.

Thx.

-- 
Regards/Gruss,
    Boris.

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