Re: NUMCPU >1 = IEE331A EXCESSIVE DISABLED SPIN LOOP DETECTED
"paoloG" <[email protected]>
| Newsgroups | gmane.comp.emulators.turnkey-mvs |
|---|---|
| Message-ID | <[email protected]> |
--- In [email protected], "laddiehanus" <laddiehanus@...> wrote: > > IIRC machines of the era when 3.8 was current only had 2 CPU's max. Even the 3084 which had 4 cpu's had to be partitioned into 2 sides with 2 CPU's each when in 370 mode and SP 1.3 was required. > > I think that 3.8 support of 2 cpu's was buggy (but I am not really not sure) and that SE or SP was really needed to get multi cpu support to run well. > > The data structures do support 16 look at macros ihalccat and ihapccat in the source code > > Laddie > The 3084 with 4 cpu's was supported in MP mode only by MVS/XA; and it was the first IBM mainframe to have more than 2 processors (in the year 1982 IIRC). So I guess than MVS 3.8 never supported more than 2 CPU's (as you correctly said). Regards. Paul