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Exadata Storage Cell SQL Quarantines with ORA-7445 [lxregsergop()+6] (Doc ID 2887007.1)

Last updated on NOVEMBER 16, 2022

Applies to:

Oracle Exadata Storage Server Software - Version 21.2.7.0.0 and later
Information in this document applies to any platform.

Symptoms

ORA-7445 [lxregsergop()+6] [11] [0x187F35DE8] [0:4 #PF(14):0x04<NON-PRESENT|READ|USERDATA>] [] [] [] [] [] [] [] []

and

ORA-7445 [lxregsergop()+6] [11] [0x1B5C8C9D8] [0:4 #PF(14):0x25<PRESENT|READ|USERDATA|PKEY>] [] []

causing multiple intermittent random SQL quarantines in multiple cells

however all the SQL statement were accessing same table column of type VARCHAR2(512 CHAR) using regular expressions in the statements like:

regexp_substr and regexp_instr

Changes

Observed that table is getting truncated and loaded often

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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