power button override

[Bills, Jason M]

On 1/27/2020 12:31 PM, Vijay Khemka wrote:
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> On 1/27/20, 10:52 AM, "Bills, Jason M" <jason.m.bills at linux.intel.com> wrote:
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>      On 1/24/2020 2:01 PM, Vijay Khemka wrote:
>      >
>      >
>      > On 1/24/20, 1:13 PM, "openbmc on behalf of Bills, Jason M" <openbmc-bounces+vijaykhemka=fb.com at lists.ozlabs.org on behalf of jason.m.bills at linux.intel.com> wrote:
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>      >
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>      >      On 1/24/2020 12:55 PM, Bills, Jason M wrote:
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>      >      >
>      >      > On 1/24/2020 10:29 AM, Vijay Khemka wrote:
>      >      >>
>      >      >>
>      >      >> On 1/23/20, 4:36 PM, "Bills, Jason M" <jason.m.bills at linux.intel.com>
>      >      >> wrote:
>      >      >>
>      >      >>      On 1/23/2020 4:13 PM, Vijay Khemka wrote:
>      >      >>      > Hi Jason,
>      >      >>      >
>      >      >>      > We have a requirement of power button override. I don’t see
>      >      >> x86-power
>      >      >>      > control doesn’t support this currently. Do you need this
>      >      >> features or do
>      >      >>      > you have any local patch for this.
>      >      >>      Hi Vijay,
>      >      >>      power button override is used for the "Force Off" actions in
>      >      >> power control:
>      >      >>
>      >      >> https://github.com/openbmc/x86-power-control/blob/master/power-control-x86/src/power_control.cpp#L50.
>      >      >>
>      >      >>
>      >      >> This will not work if current status is off. This should just send
>      >      >> pulse in any status on/off.
>      >      > Correct.  Force Off is not done if the current status is off.
>      >      Do you have more details on the power button override behavior that you
>      >      need?
>      >
>      > Yes, This is required to bring ME back to operation mode from recovery. How are you handling ME for Bios upgrade.
>      When in recovery mode, the ME will accept a reset command (IPMI raw 0x6
>      0x2) to reset to operational mode.
> 
> Bill, I tried this and see inconsistent behavior from host. Sometime it refuse to power on. So PBO resolves this.
I checked with the ME team and ME reset to move from recovery mode to 
operational mode should work.  You can file a ticket with Intel support 
to help resolve the inconsistent behavior that you see when doing this.

In the meantime, I will look over your patch.

Thanks,
-Jason

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>      >      >>      > Regards
>      >      >>      >
>      >      >>      > -Vijay
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