ORA-7445 [Kghquiesce_regular_extent] MMAN Process Terminated (Doc ID 749524.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.2 to 10.2.0.4 [Release 10.2]
Information in this document applies to any platform.
***Checked for relevance on 27-Dec-2013***

Symptoms

Database crashed with:

  ORA-07445: exception encountered: core dump [kghquiesce_regular_extent()+976] [SIGSEGV]
                        [Address not mapped to object] [0x2071637561746308] [] []
  ORA-00822: MMAN process terminated with error
  PMON: terminating instance due to error 822

In the trace file is reported:

  ORA-07445: exception encountered: core dump [kghquiesce_regular_extent()+976] [SIGSEGV]
                       [Address not mapped to object] [0x2071637561746308] [] []

Call Stack looks like:

  kghquiesce_extent ksmc_select_granule kmgs_getgran_from_comp_helper kmgs_getgran_from_comp
  kmgs_process_request_deferred kmgs_process_request kmgsdrv ksbcti ksbabs ksbrdp

Cause

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