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ORA-07445: core dump kslgetl
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Jun 07, 2016 pm 05:15 PM

ORA-07445: core dump kslgetl，出现ORA-07445，第一反应就是去看trace，以下是call stack trace：kslgetlgt;kclmvreqbggt;kcl

昨晚一套核心库的一个节点宕掉，然后reboot了，

在alert里面发现如下信息：

  • Thu Jul  5 03:03:50 2012  
  • Errors in file /u01/Oracle/app/oracle/admin/crm/bdump/crm1_dbw9_14426.trc:  
  • ORA-07445: exception encountered: core dump [kslgetl()+32] [SIGSEGV] [Address not mapped to object] [0xF27D6E41F020E369] [] []  
  • Thu Jul  5 03:03:54 2012  
  • Errors in file /u01/oracle/app/oracle/admin/crm/bdump/crm1_pmon_14238.trc:  
  • ORA-00471: DBWR process terminated with error  
  • Thu Jul  5 03:03:54 2012  
  • Errors in file /u01/oracle/app/oracle/admin/crm/bdump/crm1_ckpt_14549.trc:  
  • ORA-00471: DBWR process terminated with error  
  • Thu Jul  5 03:03:54 2012  
  • Errors in file /u01/oracle/app/oracle/admin/crm/bdump/crm1_lgwr_14540.trc:  
  • ORA-00471: DBWR process terminated with error  
  • Thu Jul  5 03:03:54 2012  
  • Errors in file /u01/oracle/app/oracle/admin/crm/bdump/crm1_lms0_14351.trc:  
  • ORA-00471: DBWR process terminated with error  
  • Thu Jul  5 03:03:54 2012  
  • PMON: terminating instance due to error 471  
  • Thu Jul  5 03:03:58 2012  
  • Shutting down instance (abort)  
  • Thu Jul  5 03:04:00 2012  
  • Thu Jul  5 03:04:03 2012  
  • Thu Jul  5 03:04:30 2012  
  • Starting ORACLE instance (normal)  
    • 出现ORA-07445，第一反应就是去看trace，，以下是call stack trace：
    kslgetl>kclmvreqbg>kclrwrite>kcbbxsv>kcbb_coalesce>kcbbwlru>
    在metalink上发现在10.2.0.3上的类似bug，5932514,5879114，最后根据call stack trace信息发现和unpublished的bug:4637902的描述更靠近。

    linux

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