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When building the database today, I suddenly reported an error ORA-00600: internal error code, arguments: [keltnfy-ldmInit], [46], [1], [] I was speechless. I had no choice but to check the parameter configuration and check it step by step according to the document. Finally, check the configuration of the profile file [root@servU_01 db_1] # more / home/oracle/.bash_profile # .bash _ profile# Get the aliases and functionsif [- f ~ / .bashrc] Then. ~ / .bashrcfi # User specific environment and startup programsPATH=$PATH:$HOME/binexport PATHexport ORACLE_BASE=/u01/app/oracleexport ORACLE_HOME=$ORACLE_BASE/product/10.2.0/db_1export PATH=$ORACLE_HOME/bin:$PATHexport LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/libexport CLASSPATH=$ORACLE_HOME/JRE:$ORACLE_HOME/jlib:$ORACLE_HOME/rdbms/jlibexport NLS_LANG= "SIMPLIFIED CHINESE_CHINA" .ZHS16GBKexport ORACLE_SID=permstty erase ^ H found no error Run DBCA-> again or report an error ORA-00600: internal error code, arguments: [keltnfy-ldmInit], [46], [1], [] finally refer to the information on metalink, according to the information on metalink, there may be a problem with the configuration of DNS or hosts file, and finally check that the configuration of hosts file is incorrect. After modifying the configuration of hosts file Problem solved Applies to:Oracle Server-Enterprise Edition-Version: 10.2.0.1 to 10.2.0.3-Release: 10.2 to 10.2Information in this document applies to any platform.***Checked for relevance on 09-Jun-2010***SymptomsAn startup nomount on Oracle 10g Release 2 database produces the following exception in alert logStarting up ORACLE RDBMS Version: 10.2.0.1.0.Errors in file / opt/oracle/10.2/admin/ORCL/udump/ORCL_ora_535.trc:ORA-00600: internal error code Arguments: [keltnfy-ldmInit], [46], [1], [] USER: terminating instance due to error 600Instance terminated by USER, pid = 535CauseThe problem is related to getting host information.In this case LdmInit () / sldmInit () is failing with error 46: LDMERR_HOST_NOT_FOUNDThe following exception may also occur: LDMERR_SOSD_INIT OSD init failed to be specific in these OSD failures LDMERR_BAD_ADDR bad address when system call gethostname failed LDMERR_HOST_NOT_FOUND gethostbyname system call fails LDMERR_NO_SUPPORT when specific address type is not supportedDevelopment has fixed two bugs so far regarding this issueBug:5438154-Abstract: ORA-600 [KELTNFY-LDMINIT] STARTING THE DB Release Notes: ldmInit returned LDMERR _ HOST_NOT_FOUND for the machine huge alias list/address list Workaround: reduce the alais list of the machineBug:5486074-Abstract: ORA-600 [KELTNFY-LDMINIT] WHEN DNS IS NOT AVAILABLERelease Notes: Internal error is raised by the Server Generated Alert subsystem when it can not determine Host Name or Network Address. This can be caused by DNS server being unaavilable.SolutionThe fix for 5486074 will not fix any underlying error from gethostbyname (), it just change the internal error to a warning message: "Warning: keltnfy call to ldmInit failed with error 46" You will still need to fix the network config issue. These are the check you can do verify the host information Check permission on / etc/hosts $ls-l / etc/hosts-rw-r--r-- 2 root root 194 Oct 17 2006 / etc/hosts Check if / etc/hosts file is correctly configured (all of this on one line). Check the hostname: $hostname $ping `hostname` Make sure you are able to ping the hostname Check if / etc/nodename is correctly configured If you have DNS setup, ping is not a tool to diagnose DNS problem. A better tool to use is nslookup, dnsquery, or dig. $nslookup $nslookup $nslookup The forward and reverse lookup should succeed and return consistent address/info. Check nsswitch.conf $more nsswitch.confhosts: files dnsMake sure host lookup is also done through the / etc/hosts file and not just dns. It is recommended that FILES come first before DNS. Also, check the resolv.conf. This makes sure that the DNS is working properly.

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