CP ABEND DUMPS During system generation a user is
designated to receive CP abend dumps. If an atend occurs when SET DUMP AUTO is in
effect, and sufficient contiguous space is
available in the CP paging area, the abend
will aFpear in the designated user's
virtual reader. The user can then use the 18 IBM VMj370 Service Routines Program Logic VMFDUMP command to read the spool file,
create a CMS file containing the dumF, and
print it.
After a CP dump is created, any user who
has access to the IPCS commands and files
can use them to examine the dump, the problem report, and the status of the
problem. Eowever, an IPCS file must be on
the user's A-disk for him to uFdate it.

Method of Operation
This section describes Interactive problem
Control System (IPCSj. Diagrams describe the five IPCS functions. Figure 2-1 shows
the relationship of these diagrams. Diagram 2-1 shows how the DUMPSCAN command and its subcommands enable the user
to interactively examine a CMS dump file
created by VM/370. Diagram 2-2 shows how updates the status of
symptom summary file.
the PRE problems command in the Diagram 2-3 shows how the PROB command
creates problem reports and adds
information to existing problem reports.
Diagram 2-4 shows how the
lists the current status
problem.
STAT command
of a given
Diagram 2-5 shows an overview of how the VMFDUMP command creates a problem report by
extracting pertinent data from a VM/370 CP abend dump.
Diagram 2-6 shows how the nucleus load
map is compressed.
Diagram 2-7 shows how a program check is
handled.
Diagram 2-8 shows how
handled .. a ceded abend is
Diagram 2-9 shows how
initiated dump is handled.
an operator Diagram 2-10 shows how the preliminary
information is printed. Diagram 2-11 shows how the
blocks are formatted and printed.
contrel
Diagram 2-12 shows how the storage
protection keys and dump file are printed. Chapter 2* IPCS--The Interactive prcblem centrel System 19