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Database Crashes With ORA-07445 [kgldtin:xxxx[kgl.c] [SIGSEGV] [Address not mapped to object] (Doc ID 551885.1)

Last updated on OCTOBER 18, 2023

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 9.2]
Information in this document applies to any platform.
This problem can occur on any platform.


The database crashes after the following errors:

ORA-07445: exception encountered: core dump [kgldtin:7285[kgl.c]] [SIGSEGV] [Address not mapped to object] [0x000000000] [] []
ORA-07445: exception encountered: core dump [kglobcl:2690[kgl2.c]] [SIGSEGV] [Address not mapped to object] [0x000000000] [] []


The call stack will look similar to the following:

kgldtin kgldti kkdlgob qcsfgob qcsprfro qcspqb kkmdrv opiSem opiprs kksald rpiswu2 kkslod  kglobld kglobpn kglpim kglpin kksfbc kkspsc0 opiosq0 . . .


The PROCESS STATE section in the tracefile may show a latch is being held.  For example:

holding 455b66948 Child library cache level=5 child#=1
Location from where latch is held: kgldti: 2child:
Context saved from call: 0



This problem is introduced in by the fix for unpublished Bug:3749490.  Any database with a one-off or merge patch containing the fix for unpublished Bug:3749490 can be affected.


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