[PATCH linux dev-4.13 1/4] fsi/occ: Add retries on SBE errors

Benjamin Herrenschmidt benh at kernel.crashing.org
Tue May 22 08:53:01 AEST 2018


On Mon, 2018-05-21 at 13:48 -0500, Eddie James wrote:
> 
> > > 3.3.1 BMC-OCC Communication Failure Handling
> > > 
> > > On failures communicating with an OCC the BMC should first verify
> > > that the “OCC Active” sensor is TRUE.  If the OCCs are not active the
> > > error should be ignored and communication with the OCC should not be
> > > retired until the “OCC Active” sensor is TRUE.  If the “OCC Active”
> > > sensor is TRUE the command should be retried twice.
> > 
> > What is the "OCC Active sensor" ?
> 
> It's a value in the OCC poll response.

That's only useful if you can get that response then... which you can't
if the communication fails. I'm missing something here.

Ben.



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