Definition of 4B25I


4B25I P PROTECT CK SYSnnn=cuu TI=xxxx DC=dddddddddd DECB=aaaaaa
Cause: A user read command attempted to read into a storage area outside the problem
program area.
System Action: See the preamble to this section.
Programmer Action: The command address portion of the CSW contains the address+8 of
the CCW in error. If this directs you to a user supplied channel program, examine it closely for
If the problem persists, have the
· system dump, if provided, or
· storage dump, alter the message is printed, that includes the problem program area
· system log
· problem program listing, with in··line macro expansions
available for problem determination.
Operator Action: none.

Used with Courtesy and Permission of International Business Machines, Inc.