On Fri, 6 Jul 2018 13:42:25 +0200 Halil Pasic <pa...@linux.ibm.com> wrote:
> On 07/06/2018 10:03 AM, Cornelia Huck wrote: > > On Thu, 5 Jul 2018 13:25:38 -0400 > > "Jason J. Herne" <jjhe...@linux.ibm.com> wrote: > >> + rc = ssch(schid, &orb); > >> + if (rc) { > >> + print_int("ssch failed with rc=", rc); > >> + return rc; > > > > Are you doing anything like retrying on cc 1/2? It's probably fine to > > give up on cc 3. > > > > We are in IPL context. We should have exclusive access to the DASD > we are IPL-ing from, or not? My understanding was that if the layers > below us don't violate the rules, we should never observe cc 1 or 2 > here. Or am I wrong? cc 2 probably not (nobody should be doing a halt or a clear), but cc 1 if there's some unsolicited status pending?