IBM Mainframe Discussion List <[email protected]> wrote on 06/12/2008 02:14:24 PM:
> We just opened APAR OA25468 against z/OS UNIX. If you run with REFRPROT > in PROGxx, you can be hit by this. > > IIUC, z/OS UNIX fork processing uses the OC instruction, while in PSW > key zero, to WRITE on EVERY PAGE of EVERY MODULE in the private area of > the address space! That's a bit of an exageration. Every page of every program object which is eligible for deferred page mode loading would be more accurate (not sure whether this includes ones whose pages have already all been loaded or not). Anyway, most likely, the OC will be changing to be a TM with a mask of x'00'. Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
