ORA-7445 [Kcbw_numperchunk] Or ORA-600 [kghfru:ds] (Doc ID 603808.1)

Last updated on SEPTEMBER 01, 2011

Applies to:

Oracle Server - Enterprise Edition - Version: 10.2.0.3 to 11.1.0.6 - Release: 10.2 to 11.1
Information in this document applies to any platform.

Symptoms

1. The following errors are reported in the alert.log:


ORA-07445: exception encountered: core dump [kcbw_numperchunk()+12] [SIGBUS] [Invalid address alignment] [0x00000000F] [] []

ORA-00822: MMAN process terminated with error

2. There may be no current SQL reported in the trace file:

3. The call stack will resemble:

kcbw_numperchunk  kcbw_get_bh  kcbw_get_first_buff   kcbw_next_free  kmgs_extract_mem_fr om_granule  kmgs_process_reques  t_immediate  kmgs_process_reques  kmgsdrv  ksbabs  ksbrdp

Cause

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