On Tue, 28 Apr 2020 10:27:36 +0200 Pierre Morel <pmorel@xxxxxxxxxxxxx> wrote: > On 2020-04-27 15:11, Janosch Frank wrote: > > On 4/24/20 12:45 PM, Pierre Morel wrote: > >> This is NOT a routine to really enable the channel, no retry is done, > >> in case of error, a report is made. > > > > Would we expect needing retries for the pong device? > > Yes it can be that we need to retry some instructions if we want them to > succeed. > This is the case for example if we develop a driver for an operating system. > When working with firmware, sometime, things do not work at the first > time. Mostly due to races in silicium, firmware or hypervisor or between > them all. > > Since our purpose is to detect such problems we do not retry > instructions but report the error. > > If we detect such problem we may in the future enhance the tests. I think I've seen retries needed on z/VM in the past; do you know if that still happens?
