Home » RDBMS Server » Server Administration » ora-00443 'Background process 'PMON' didnot start---Urgent (oracle 10g)
ora-00443 'Background process 'PMON' didnot start---Urgent [message #549106] Wed, 28 March 2012 03:33 Go to next message
sarma.shp
Messages: 111
Registered: February 2012
Senior Member
Hi everybody, i have increased my sga_max_size from 585 to 984 and sga_target_size to 784 and i have shutdown the database
Now when i am starting the database with --- startup mount' it is giving the following error how i need to resolve that?? its urgent ..please do reply with detailed explanation..

Thanks in Advance

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Re: ora-00443 'Background process 'PMON' didnot start---Urgent [message #549109 is a reply to message #549106] Wed, 28 March 2012 03:37 Go to previous messageGo to next message
cookiemonster
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Post the contents of the alert log.

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Re: ora-00443 'Background process 'PMON' didnot start---Urgent [message #549112 is a reply to message #549109] Wed, 28 March 2012 03:55 Go to previous messageGo to next message
sarma.shp
Messages: 111
Registered: February 2012
Senior Member
Wed Mar 28 14:06:57 2012
Errors in file e:\oracle\product\10.2.0\admin\geodb\bdump\geodb_ora_2136.trc:
ORA-07445: exception encountered: core dump [ACCESS_VIOLATION] [_ksmprepage+374] [PC:0x45CC02] [ADDR:0x10400000] [UNABLE_TO_READ] []

Wed Mar 28 14:07:04 2012
Process PMON died, see its trace file
USER: terminating instance due to error 443
Instance terminated by USER, pid = 1644


this is the last data recorded in alertlog file
is this sufficient or else shall i paste it from the start of the alter system set sga_max_size ?? ....

[Updated on: Wed, 28 March 2012 03:59]

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Re: ora-00443 'Background process 'PMON' didnot start---Urgent [message #549114 is a reply to message #549112] Wed, 28 March 2012 03:59 Go to previous messageGo to next message
cookiemonster
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Registered: September 2008
Location: Rainy Manchester
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sarma.shp wrote on Wed, 28 March 2012 09:55

Process PMON died, see its trace file

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Re: ora-00443 'Background process 'PMON' didnot start---Urgent [message #549117 is a reply to message #549114] Wed, 28 March 2012 04:10 Go to previous messageGo to next message
sarma.shp
Messages: 111
Registered: February 2012
Senior Member
But what for i look into that trace file..i watched it and there also it is giving the same message access violation.
ksedmp:internal or fata error
and saying repeating 2 times 1 time and so on....?? Confused

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Re: ora-00443 'Background process 'PMON' didnot start---Urgent [message #549119 is a reply to message #549117] Wed, 28 March 2012 04:15 Go to previous messageGo to next message
Michel Cadot
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Either decrease the SGA parameters ti check or raise a SR to Oracle.

Regards
Michel

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Re: ora-00443 'Background process 'PMON' didnot start---Urgent [message #549120 is a reply to message #549119] Wed, 28 March 2012 04:17 Go to previous messageGo to next message
sarma.shp
Messages: 111
Registered: February 2012
Senior Member
how should i decrease the size of the sga...as the database is not mounting ....please give me a solution ..i am tensed!! Confused

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Re: ora-00443 'Background process 'PMON' didnot start---Urgent [message #549122 is a reply to message #549120] Wed, 28 March 2012 04:23 Go to previous messageGo to next message
Michel Cadot
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You change it in the parameter, if you use init.ora, or using ALTER SYSTEM ... SCOPE=SPFILE if you use a spfile.

Regards
Michel

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Re: ora-00443 'Background process 'PMON' didnot start---Urgent [message #549124 is a reply to message #549122] Wed, 28 March 2012 04:35 Go to previous messageGo to next message
sarma.shp
Messages: 111
Registered: February 2012
Senior Member
even though i changedin init.orafile unable to startup the oracle.
in the init.ora file i have foun only the sga_target parameter and i reduced it... but still i am unable to do it.!! ????

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Re: ora-00443 'Background process 'PMON' didnot start---Urgent [message #549127 is a reply to message #549124] Wed, 28 March 2012 04:42 Go to previous messageGo to next message
sarma.shp
Messages: 111
Registered: February 2012
Senior Member
Yeah i made it( i made the change) now its working i am able to connect to the database ...ufff!! thank you very much @ cookie monster and @ Michel Cadot
i have made that change because when i opened the OEM and logged in as sys it asked me to change the sga size to 784 so ..and the error occurred..?? so what should i do now??.. shall i change it to exactly 784M??

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Re: ora-00443 'Background process 'PMON' didnot start---Urgent [message #549195 is a reply to message #549127] Wed, 28 March 2012 12:02 Go to previous message
babuknb
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Registered: December 2005
Location: NJ
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No.

Check your OS usage. like memory usage, Based on this you need to configure your sga setting.

- Babu

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