power button override
Vijay Khemka
vijaykhemka at fb.com
Tue Jan 28 07:31:12 AEDT 2020
On 1/27/20, 10:52 AM, "Bills, Jason M" <jason.m.bills at linux.intel.com> wrote:
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:
>
>
>
> On 1/24/2020 12:55 PM, Bills, Jason M wrote:
> >
> >
> > 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.
>
> >> >
> >> > Regards
> >> >
> >> > -Vijay
> >> >
> >>
>
>
More information about the openbmc
mailing list