ORA-07445, "SIGSEGV", & "address"???

  • From: "Marquez, Chris" <cmarquez@xxxxxxxxxxxxxxxx>
  • To: <oracle-l@xxxxxxxxxxxxx>
  • Date: Thu, 19 May 2005 11:38:45 -0400

All,
I am about to open a TAR...painfully.
Had a database (server?) crash a 2AM.
Further sadness, the node/instance that crashed hung the other RAC 
node/instance...could not pull of the RAC reconfiguration...a whole other issue.
One crash leads to another crash/hang :o|)

I would like to get comments on the true meaning of "SIGBUS", "SIGSEGV", 
"...physical address", "...Address not mapped".

I have always believed these to be Oracle/OS memory related issues?


Thanks in advance,

Chris Marquez
Oracle DBA


Errors in file /o01/app/oracle/admin/orcl/bdump/orcl2_j001_22478.trc:
ORA-07445: exception encountered: core dump [kcbgtcr()+10562] [SIGBUS] 
[Non-existent physical address] [0x2C0AC00E] [] []
Thu May 19 02:00:08 2005
Errors in file /o01/app/oracle/admin/orcl/bdump/orcl2_diag_541.trc:
ORA-07445: exception encountered: core dump [kghalf()+924] [SIGSEGV] [Address 
not mapped to object] [0x4001281] [] []
Thu May 19 02:00:13 2005

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