Interesting question, but the problem at hand is pure z/OS. Charles
-----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of Seymour J Metz Sent: Tuesday, February 22, 2022 7:53 AM To: [email protected] Subject: Re: 2.5 Heads Up Do any of z/TPF, z/VM or z/VSE ever run in ESA mode? -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 ________________________________________ From: IBM Mainframe Discussion List [[email protected]] on behalf of Charles Mills [[email protected]] Sent: Tuesday, February 22, 2022 10:26 AM To: [email protected] Subject: Re: 2.5 Heads Up Would using some "debug" type utility to store a non-zero value at address 4 be a partial circumvention? The pre-Z restart PSW is never used for anything now -- is that correct? Charles -----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of Jim Mulder Sent: Monday, February 21, 2022 10:03 PM To: [email protected] Subject: Re: 2.5 Heads Up Location 4 means address 4 (i.e. offset 4 in the PSA). There was a latent bug from a prior release in the loop control code so that it was erroneously fetching from address 4, and behaving especially badly when the data at that location is x'00000000', which it is as of z/OS 2.5. In prior releases, it was x'000130E1' when in zArchitecture mode. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
