r Message DMKWRM921i SYSTEM RECOVERY FAILURE; UNRECOVERABLE I/O ERROR DMKWRM903W SYSTEM RECOVERY FAILURE; VOLID xxxxxx ALLOCATION ERROR CYLINDER xxx DMKWRM90QW SYSTEM RECOVERY FAILURE; INVALID WARM START DATA DMKWRM912W SYSTEM RECOVERY FAILURE; VOLID xxxxxx NOT MOUNTED DMKWRM920W NO WARM START DATA; CKPT START FOR RETRY DMKDMP90BI SYSTEM FAILURE, CODE xxxxxx DMKCKP9601 SYSTEM WARM START DATA SAVED DMKCKP961W SYSTEM SHUTDOWN COMPLETE DMKDMP905W SYSTEM DUMP FAILURE; PROGRAM CH ECK DMKDMP906W SYSTEM DUMP FAILURE; MACHINE CHECK, RUN SEREP DMKDMP907W SYSTEM DUMP FAILURE; FATAL 1/0 ERROR DMKMCH610W MACHINE CHECK SUPERVISOR DAMAGE DMKMCT610W MACHINE CHECK SUPERVISOR DAMAGE DMKMCH611W MACHINE CHECK SYSTEM INTEGRITY LOST April 1, 1981
Type of Abend I ----I IIf the warm start program I t encOtlnteFsa severa error, a I I message is issued indicating, i the error and CP enters the I wait state with code 009 , in the PSi. I I I I I CP abend, system dumps to
tape or printer. The system
stops; the operator must 1Pt the system to start again.
If the dump program encoun­
ters a program check, a ma­
chine check, or fatal I/O error, a message is issued
indicating the error. CP enters the wait state with
code 003 in the PSW. If the dump cannot find a
defined dump device and if
no printer is defined for
the dump, CP enters a dis­
abled wait state with code 004 in the PSi. CP termination with wait
state.
The machine check handler en­
countered an unrecoverable
error with the VM/370 con­
trol program ..
The machine check handler en­
countered an error that
cannot be diagnosed; system
integrity, at this point,
is not reliable. Part 1. Debugging with VM/370 5

Paqe of GC20-1807-7 As Updated April 1, 1981 by TNL GN2S-0829 r------ , Messaqe I I DMKMCH612W MACHINE CHECK; TIMING I FACILITIES DAMAGE; RUN SEREP I , I DMKMcr620I MACHINE CHECK; ATTACHED I PROCESSOR NOT BEING USED DMKCCH603W CHANNEL ERROR, RUN SEREP,
RESTART SYSTEM DMKCPI955W INSUFFICIENT STORAGE FOR VM/370 DMKMCH622W MACHINE CHECK; MULTIPLE CHANNEL ERRORS DMSABN148T SYSTEM ABEND xxx
CALLED FROM xxxxxx Others Refer to OS and DOS publications
for the abnormal termination
messages.
Type of Abend I --------I An error has occurred in the I timing facilities. Probable I hard error. I A malfunction alert, clock
clock error or instruction
processing error occurred on
the attached processor.
The system continues to run
in uniprocessor mode.
CP termination without auto­
matic restart.
There was a channel check
condition from which the
channel check handler could
not recover. CP enters the
wait state with code 002 in I the Psw. IThe generated system requires I more real storage than is I available. CP enters the I disabled wait state with I code OOD in the PSW. IThere was a group error I machine check from which the I machine check handler could I not recover. CP enters a I wait state with code 001 in 1 in the PSW. I I ,eMS abend, system will acceptl
commands from the terminal. I Enter the DEBUG command and I then the DUMP subcommand to 1
have CMS dump storage on thel printer. I I IWhen OS or DOS abnormally I I terminates on a virtual I t machine, the messages issuedl I and the dumps taken are the 1 I same as they would be if OS I I or DOS abnormally terminatedl I on a real machine. I L­ ______________________________________________________-J
Fiqure 1. Abend Messages (Part 3 of 3)
Another obvious indication of a problem is unexpected output. If your
output is missinq, incorrect, or in a different format than expected,
some problem exists. Unproductive processing
problem is not as easily
environment.
time is another symptom of a
recognized, especially in a
6 IBM VM/370 System proqrammer's Guide
problem. This
time-sharing