详细错误信息为：

Thu Jan 27 10:21:15 2011
Errors in file /home/oracle/admin/RT/udump/rt_ora_8711.trc:
ORA-00600: internal error code, arguments: [kglssr_1], [0x623086050], [0x3D20F5328], [16], [], [], [], []
Thu Jan 27 10:21:17 2011
Errors in file /home/oracle/admin/RT/udump/rt_ora_21545.trc:
ORA-00600: internal error code, arguments: [kglssr_1], [0x9E3087C70], [0x3D20F5328], [34], [], [], [], []
Thu Jan 27 10:21:17 2011
Errors in file /home/oracle/admin/RT/udump/rt_ora_21545.trc:
ORA-07445: exception encountered: core dump [SIGSEGV] [Address not mapped to object] [20768] [] [] []
ORA-00600: internal error code, arguments: [kglssr_1], [0x9E3087C70], [0x3D20F5328], [34], [], [], [], []
Thu Jan 27 10:21:28 2011
Errors in file /home/oracle/admin/RT/udump/rt_ora_21528.trc:
ORA-00600: internal error code, arguments: [kglssr_1], [0x5630AE750], [0x3D20F5328], [46], [], [], [], []
Thu Jan 27 10:21:31 2011
Errors in file /home/oracle/admin/RT/udump/rt_ora_21528.trc:
ORA-00600: internal error code, arguments: [kglssr_1], [0x5630AE750], [0x3D20F5328], [46], [], [], [], []
Thu Jan 27 10:21:32 2011
Errors in file /home/oracle/admin/RT/udump/rt_ora_21528.trc:
ORA-00603: ORACLE server session terminated by fatal error
ORA-00600: internal error code, arguments: [kglssr_1], [0x5630AE750], [0x3D20F5328], [46], [], [], [], []
Thu Jan 27 10:21:42 2011
Errors in file /home/oracle/admin/RT/udump/rt_ora_8711.trc:
ORA-00600: internal error code, arguments: [kglssr_1], [0x623086050], [0x3D20F5328], [16], [], [], [], []
Thu Jan 27 10:21:43 2011
Errors in file /home/oracle/admin/RT/udump/rt_ora_8711.trc:
ORA-00603: ORACLE server session terminated by fatal error
ORA-00600: internal error code, arguments: [kglssr_1], [0x623086050], [0x3D20F5328], [16], [], [], [], []

根据ORA-600和ORA-7445错误信息，很容易定位到bug:4528014。导致问题的原因是Oracle内部管理程序删除或重置了会话的状态信息。

这个错误并不会对数据库造成很大的影响，Oracle在10.2.0.2中已经fixed了这个bug。