RDBPROD: Monitor process crashes with a bugcheck: Exception at MON$DBR_MAP_ROOT
(Doc ID 1318883.1)
Last updated on FEBRUARY 26, 2019
Applies to:Oracle Rdb Server on OpenVMS - Version 7.2 to 22.214.171.124 [Release 7.2]
HP OpenVMS Itanium
HP OpenVMS Alpha
Monitor process crashed with a bugcheck, which affected all databases and attached users.
The monitor bugcheck may show a similar output to the following when analyzed using the bugcheck summarizer tool:
SYSTEM-F-ACCVIO, access violation, virtual address=FFFFFFFFEF5E2303
Exception occurred at RDMMON72\MON$DBR_MAP_ROOT + 000002B0
Called from RDMMON72\MON$UMAIL + 00001DD0
Called from RDMMON72\MON$PROCESS_UMAIL + 00000080
Called from RDMMON72\COSI_CP__PROCESS_WORK_ITEM + 00000360
Called from RDMMON72\COSI_CP_LOOP + 000001E0
Called from RDMMON72\ELF$TFRADR + 00004370
Running image RDMMON72.EXE
Reviewing the monitor log file would show that a user process failed prior to the crash. As a result, a recovery process was initiated which in turn also failed.
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