determining host state after a bmc reset

Joel Stanley joel at
Tue Mar 14 13:14:20 AEDT 2017

On Tue, Mar 14, 2017 at 7:43 AM, Andrew Geissler <geissonator at> wrote:
> Any thoughts out there on a good way to determine if the host is up
> and in a good state after a BMC reset?  This of course is without
> persisting anything into the filesystem about the host state, I'd like
> to just discover it.
> I'm currently going down a path where I'm going to first look at
> pgood, and if it's on, I'll use the SMS attention path to 'ping' the
> host and verify it's running.

I was going to suggest using IPMI. This is what I'd recommend.



> I'll need to fix up the SMS attention path (currently openbmc hard
> codes the SMS attention and response to the host to tell it to do a
> soft power off).  I'll change things around a bit to do the SMS, and
> then when the host responds, to do nothing except mark a ticky that
> says it responded.
> Andrew

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