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SubjectRe: random insta-reboots on AMD Phenom II
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> On Sep 30, 2017, at 4:53 AM, Borislav Petkov <bp@alien8.de> wrote:
>
>> 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.

Yeah, working on it. It's not a straightforward revert.

>
> Thx.
>
> --
> Regards/Gruss,
> Boris.
>
> Good mailing practices for 400: avoid top-posting and trim the reply.

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