[coreboot] Skylake ME power down mitigation timer

[Duncan Laurie]

I wouldn't read too much into the data in there, it turns out the ME
release that added this output detail (which we shipped in this device)
also got it wrong so the data is not reliable.

-duncan

On Wed, Oct 12, 2016 at 10:03 AM, Trammell Hudson <hudson at trmm.net> wrote:

> Does anyone have experience with how long the Management Engine's
> "Power Down Mitigation" timer is on Skylake?  My Chell Chromebook
> with modified ME firmware reports this on bootup / S3 resume:
>
> ME: FW Partition Table      : BAD
> ME: Bringup Loader Failure  : YES
> ME: Firmware Init Complete  : YES
> ME: Manufacturing Mode      : YES
> ME: Boot Options Present    : YES
> ME: Update In Progress      : YES
> ME: D3 Support              : YES
> ME: D0i3 Support            : YES
> ME: Low Power State Enabled : YES
> ME: Power Gated             : YES
> ME: CPU Replaced            : YES
> ME: CPU Replacement Valid   : YES
> ME: Current Working State   : Unknown (15)
> ME: Current Operation State : M0 without UMA but with error
> ME: Current Operation Mode  : M0 without UMA
> ME: Error Code              : Preboot
> ME: Progress Phase          : <NULL>
> ME: Power Management Event  : CM0PG->CM0
> ME: Progress Phase State    : Unknown phase: 0x0f state: 0xff
> ME: Power Down Mitigation   : YES
> ME: PD Mitigation State     : Issue Detected but not Recovered
> ME: Encryption Key Override : Workaround Applied
> ME: Encryption Key Check    : FAIL
> ME: PCH Configuration Info  : Changed
> ME: Firmware SKU            : Unknown (0x7)
>
> It's been up for almost two hours without shutting down.
> The only drawback so far is that FSP takes quite a bit longer
> to complete.
>
>
> --
> Trammell
>
> --
> coreboot mailing list: coreboot at coreboot.org
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>
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