ORA-07445: exception encountered: core dump [qervwFetch()+338]

安装了12C跑了下应用，结果在日志中发现ORA-07445错误，日志截图如下：

Archived Log entry 20 added for thread 1 sequence 182 ID 0x5081317e dest 1:
Mon Dec 09 15:47:14 2013
Sweep [inc2][9908]: completed
Mon Dec 09 15:47:17 2013
found dead shared server 'S001', pid = (37, 14)
Mon Dec 09 15:47:20 2013
Exception [type: SIGSEGV, Address not mapped to object] [ADDR:0x5] [PC:0x2CA8C92, qervwFetch()+338] [flags: 0x0, count: 1]
Errors in file /u01/app/oracle/diag/rdbms/orcl/orcl/trace/orcl_s000_3993.trc  (incident=9771):
ORA-07445: exception encountered: core dump [qervwFetch()+338] [SIGSEGV] [ADDR:0x5] [PC:0x2CA8C92] [Address not mapped to object] []
Incident details in: /u01/app/oracle/diag/rdbms/orcl/orcl/incident/incdir_9771/orcl_s000_3993_i9771.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Mon Dec 09 15:47:24 2013
Dumping diagnostic data in directory=[cdmp_20131209154724], requested by (instance=1, osid=3993 (S000)), summary=[incident=9771].

metalink上的信息如下，看来是遇到bug了，暂时不影响使用，只有等待修复

Bug 17071138 : ORA-7445 [QERVWFETCH()+338]	To Bottom

Bug Attributes

Type	B - Defect	Fixed in Product Version
Severity	2 - Severe Loss of Service	Product Version	12.1.0.1
Status	36 - Duplicate Bug. To Filer	Platform	226 - Linux x86-64
Created	09-Jul-2013	Platform Version	ORACLE LINUX 6
Updated	16-Jul-2013	Base Bug	16527374
Database Version	12.1.0.1	Affects Platforms	Generic
Product Source	Oracle

Related Products

Line	Oracle Database Products	Family	Oracle Database
Area	Oracle Database	Product	5 - Oracle Database - Enterprise Edition

Hdr: 17071138 12.1.0.1 RDBMS 12.1.0.1 EM EXPRESS UI PRODID-5 PORTID-226 ORA-7445 16527374
Abstract: ORA-7445 [QERVWFETCH()+338]
 
*** 07/09/13 12:11 am ***
 
BUG TYPE CHOSEN
===============
Code
 
== Component: RDBMS ==
======================
DETAILED PROBLEM DESCRIPTION
============================
ORA-7445[qervwFetch()] occurs on 12cR1.
 
DIAGNOSTIC ANALYSIS
===================
ORA-7445:[qervwFetch()+338] [SIGSEGV] [ADDR:0x5] [PC:0x2CA8CC2] [Address not
mapped to object] []
 
WORKAROUND?
===========
No
 
TECHNICAL IMPACT
================
ORA-7445[qervwFetch()] occurs and the session will be disconnected.
 
RELATED ISSUES (bugs, forums, RFAs)
===================================
Very similar to 16458394.
CDB:ORA-7445 [QERVWFETCH] [SIGSEGV] [ADDR:0X5] [PC:0X29CDBDA] [ADDRESS NOT
MAPPE 
 
base bug:
BUG 16527374  - [12100-LIN64-130318]CDB:ORA-7445:EM EXPRESS HOME GOT IO
ERROR
 
HOW OFTEN DOES THE ISSUE REPRODUCE AT CUSTOMER SITE?
====================================================
Always
 
DOES THE ISSUE REPRODUCE INTERNALLY?
====================================
No
 
IS A TESTCASE AVAILABLE?
========================
No
 
Link to IPS Package:
====================
not available
 
 
ADDITIONAL INFORMATION:
=======================
Attachment:for_bug.zip:alert log  and trace file
 
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*** 07/16/13 02:15 am *** (CHG: Base Bug-> NULL -> 16527374)
*** 07/16/13 02:15 am *** (CHG: Sta->36 SubComp->EM EXPRESS UI)
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