10G Intance crashed

Hi DBAs.

 

 

The instance with Oracle 10g DB on Windows 2003 SP1 box suddenly crashed
last night with the following error in the alert log file.

 

ORA-07445: exception encountered: core dump [ACCESS_VIOLATION]
[__chkstk+23] [PC:0x1D56927] [ADDR:0x5942AD28] [UNABLE_TO_READ] []

 

 

When looked into the related trace file, the error is mentioned there as
below:

 

*** SERVICE NAME:(SYS$USERS) 2007-11-10 02:30:14.652

*** SESSION ID:(141.27363) 2007-11-10 02:30:14.652

*** 2007-11-10 02:30:14.652

ksedmp: internal or fatal error

ORA-07445: exception encountered: core dump [ACCESS_VIOLATION]
[__chkstk+23] [PC:0x1D56927] [ADDR:0x5942AD28] [UNABLE_TO_READ] []

Current SQL statement for this session:

update tsq$ set
blocks=:3,maxblocks=:4,grantor#=:5,priv1=:6,priv2=:7,priv3=:8 where
ts#=:1 and user#=:2

 

There was almost no user activity at that particular time. Has anyone
experienced a similar error before?

 

Any expert opinion?

 

 

Thanks,

Khan

 

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