DFS1169I ABEND U0780 RC=`yy` CAUSED BY ABEND IN ASID=`xxxx`, JOBNAME=`jjjjjjjj/UNKNOWN` WHILE HOLDING LATCH AT ADDRESS=`aaaaaaaa`

Explanation

A dependent region has abended while holding a latch, causing the IMS control region to abend 0780.

yy: is the abend 0780 return code.
xxxx: identifies the failing address space identifier (ASID)
jjjjjjjj/UNKNOWN: either the failing address space's jobname or the character string UNKNOW when the jobname cannot be determined.
aaaaaaaa: the address of the latch header. This address can be located in the abend 0780 memory dump. An EBCDIC character string preceding the header identifies the latch.

System action

An abend 0780 is issued in the IMS control region and all the IMS-dependent regions terminates abnormally with completion code 002.

Programmer response

Locate the abend 002 dump for the dependent region identified in message DFS1169I to isolate and correct the original abend.