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PMON failed to acquire latch, see PMON dump [message #419953] Wed, 26 August 2009 05:07 Go to next message
deep0983
Messages: 28
Registered: April 2009
Junior Member
Hi All

I have created backup script for taking the backup of my database becuause our database is not runnig in archive log mode and we are using RMAN method to take full database backup at mount stage. for this we have to shutdown our database and start it on mount stage for taking the backup of database. The problem is that when i shutdown my database for taking the backup it is showing following error messagge in alert log file and unable to take backup.

PMON failed to acquire latch, see PMON dump
PMON failed to acquire latch, see PMON dump
PMON failed to acquire latch, see PMON dump
Tue Aug 25 20:00:30 2009
alter database close
Tue Aug 25 20:00:31 2009
SMON: disabling tx recovery
SMON: disabling cache recovery
Tue Aug 25 20:00:31 2009
Errors in file e:\oracle\product\10.2.0\admin\product\bdump\product_lgwr_252.trc:
ORA-07445: Message 7445 not found; No message file for product=RDBMS, facility=ORA; arguments: [ACCESS_VIOLATION] [_kghalf+407] [PC:0x603C2E2F] [ADDR:0xB281E38] [UNABLE_TO_WRITE]

Tue Aug 25 20:00:35 2009
Errors in file e:\oracle\product\10.2.0\admin\product\bdump\product_pmon_45896.trc:
ORA-00470: Message 470 not found; No message file for product=RDBMS, facility=ORA

Tue Aug 25 20:00:35 2009
PMON: terminating instance due to error 470
Instance terminated by PMON, pid = 45896

any help will much appreciated.

Thanks in advance.
Re: PMON failed to acquire latch, see PMON dump [message #419967 is a reply to message #419953] Wed, 26 August 2009 05:29 Go to previous messageGo to next message
Michel Cadot
Messages: 64153
Registered: March 2007
Location: Nanterre, France, http://...
Senior Member
Account Moderator
http://www.lmgtfy.com/?q=Oracle+PMON+failed+to+acquire+latch

Regards
Michel
Re: PMON failed to acquire latch, see PMON dump [message #419978 is a reply to message #419967] Wed, 26 August 2009 05:51 Go to previous messageGo to next message
deep0983
Messages: 28
Registered: April 2009
Junior Member
Hi Michal,

Thanks for reeply i know this is bug in oracle 10.2.0.1.0 release for this we need to apply patch can you please tell the patch number to update database to 10.2.0.2.

Re: PMON failed to acquire latch, see PMON dump [message #419982 is a reply to message #419978] Wed, 26 August 2009 05:59 Go to previous message
Michel Cadot
Messages: 64153
Registered: March 2007
Location: Nanterre, France, http://...
Senior Member
Account Moderator
Just go to Metalink and click on Patches & Updates tab then follow the link.
But why don't you directly go to the latest patchset (10.2.0.4)?

Regards
Michel
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