ORA-7445[sltsimr] / ORA-7445[spini] / ORA-7445[dbgeFreeIncIdCache] / ORA-600 on Database Instance Startup
(Doc ID 2451548.1)
Last updated on NOVEMBER 19, 2019
Applies to:Oracle Database - Enterprise Edition - Version 220.127.116.11 and later
Information in this document applies to any platform.
One or more errors of the following form appear in the alert log during startup of an 18.104.22.168 database:
ORA-07445: exception encountered: core dump [spini()+152] [SIGSEGV] [ADDR:0x10C000] [PC:0x104E24AF8] [Address not mapped to object] 
ORA-07445: exception encountered: core dump [dbgeFreeIncIdCache()+20] [SIGBUS] [ADDR:0x108815934] [PC:0x108815934] [Invalid address alignment] 
ORA-00600: internal error code, arguments: , , , , , , , , , , , 
In addition, there are failed database startups due to critical background processes not starting, e.g.
Process LGWR died, see its trace file
USER (ospid: 22753): terminating the instance due to error 443
Instance terminated by USER, pid = 22753
along with many messages concerning background processes not starting, e.g.
ORA-00445: background process "m001" did not start after 120 seconds
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