Instance Crashes with ORA-7445 [Dbgr_get_adrhome] and/or ORA-7445 [sdbgrfcvp_convert_pathinfo] (Doc ID 1178533.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.7 and later
Information in this document applies to any platform.

Symptoms


The following errors are reported in the alert log file, eventually causing the database crash:

Coredump at PSP process:
ORA-07445: exception encountered: core dump [DBGR_GET_ADRHOME()] [SIGSEGV] [ADDR:0xFFFFFFFF7FFF4F30] [PC:0x10681E340] [Address not mapped to object]

Coredump at DIAG process:

ORA-07445: exception encountered: core dump [sdbgrfcvp_convert_pathinfo()+492] [SIGSEGV] [ADDR:0xFFFFFFFF7FFF5C70] [PC:0x10690106C] [Address not mapped to object]

In the Operating System log file (messages file), we can see the following warning:

WARNING: Sorry, no swap space to grow stack for pid 8476 (oracle)

Changes

None

Cause

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