> > From the "MVS Tools & Service Aids" manual I understand that the last > > words on the two lines are the address which cause the tramslation > > exception (TEA, High word on upper line, low word on lower line). In the > > above example my program was accessing storage at x'00000000_40000000' > > (first reference). The trace entry shows this as x'00000000_40000400'. > > > > The TEA seems to always point to the start of the page where within the > > page the access was (which makes sense), but what is the x'400' in the low > > 12 bit telling me? The manual only talks about the high order bit > > indicating primary or secondary address space. I guess it some flags, but > > where is this documented? > > In the Principles of Operation Chapter 3, under Assigned Storage Locations > 168-175 (A8-AF hex). This part also refers to the descriptions of > [Enhanced] Suppression on Protection earlier in the same chapter. Perhaps > we're back to testing the facility bits before you can be sure what goes > on... > > Bits 0-51 are the address (to the page level), and there are several flag > bits defined and other bits to the right that may be "unpredicatable" under > various circumstances. > > This all assumes that the data at A8-AF is copied exactly to the trace > record, and that the trace record as formatted by IPCS shows exactly those > same bits. I guess that these are both the case, but I don't know.
Your guess is correct. Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
