ORA-07445 [kxfpnid()+632] [SIGBUS] and Instance Crash with Parallel Execution
(Doc ID 1505057.1)
Last updated on MARCH 27, 2014
Applies to:Oracle Database - Enterprise Edition - Version 188.8.131.52 and later
Information in this document applies to any platform.
The following symptoms were seen:
- The following error was seen in the alert log, and then PMON terminated the instance:
ORA-07445: exception encountered: core dump [kxfpnid()+632] [SIGBUS] [ADDR:0x95] [PC:0x103AACCD8] [Invalid address alignment] 
- The value for parallel_max_servers was NOT explicitly set in the spfile or pfile.
- The LMON tracefile showed a value for parallel_max_servers > 3600 (3600 is the maximum allowed in 11.2).
- The call stack contained the following:
kxfpnid <- ksimdic <- kjfmact <- kjfcln <- ksbrdp <- opirip <- opidrv <- sou2o <- opimai_real <- ssthrdmain
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