ORA-07445: [Proa_init()+9744] [Sigsegv] PMON Terminates Instance

(Doc ID 755599.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Server - Enterprise Edition - Version: to - Release: 10.2 to 10.2
Information in this document applies to any platform.
Checked for relevance on 01-Nov-2011


The following errors were received in the alert log:

ORA-07445: exception encountered: core dump [proa_init()+9744] [SIGSEGV]
[Address not mapped to object] [0x000000708] [] []

ORA-07445: exception encountered: core dump [_aio_free_stack_unlocked()+76]
[SIGBUS] [Object specific hardware error] [0xFFFFFFFF78002000] [] []

ORA-00481: LMON process terminated with error

PMON: terminating instance due to error 481
Instance terminated by PMON, pid = 2584


Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms