[Skiboot] [PATCH 02/11] hw/sbe-p9: Check SBE health on each chip

[Nicholas Piggin]

On Sat Jan 11, 2025 at 6:29 AM AEST, Reza Arbab wrote:
> On Sat, Nov 16, 2024 at 02:07:18PM +1000, Nicholas Piggin wrote:
> >Add a SBE health check when initialising the SBEs, which sends a timer
> >message and checks for the ack and timer expiry responses. This is
> >better than eventually finding a timer is not firing and shutting down
> >the SBE timer, it also tests SBEs on all chips in the system, not just
> >the primary.
>
> Seems reasonable. Just for my own curiosity, is this purely 
> precautionary or have you actually come across hardware that fails the 
> health check?

Just precautionary. I added it before understanding why P10 SBE timers
were failing (not that it would have been much help to diagnose that
case).

Thanks,
Nick