BUG Kewastunpackstats(): Bad Magic 1 （xxx，0）
ALERT日志出现：
kewastUnPackStats(): bad magic 1 (0x7f3521c489a0, 0) kewastUnPackStats(): bad magic 1 (0x7f3521c489a0, 0) kewastUnPackStats(): bad magic 1 (0x7f3521c458e0, 0) kewastUnPackStats(): bad magic 1 (0x7f3521c458e0, 0) kewastUnPackStats(): bad magic 1 (0x7f3521c458e0, 0) kewastUnPackStats(): bad magic 1 (0x7f3521c458e0, 0) kewastUnPackStats(): bad magic 1 (0x7f3521c458e0, 0) kewastUnPackStats(): bad magic 1 (0x7f3521c458e0, 0) kewastUnPackStats(): bad magic 1 (0x7f3521c458e0, 0) kewastUnPackStats(): bad magic 1 (0x7f3521c458e0, 0) kewastUnPackStats(): bad magic 1 (0x7f3521c48ad0, 0) kewastUnPackStats(): bad magic 1 (0x7f3521c48ad0, 0) kewastUnPackStats(): bad magic 1 (0x7f3521c48ad0, 0) kewastUnPackStats(): bad magic 1 (0x7f3521c48ad0, 0)
SQL> select * from v$version; BANNER -------------------------------------------------------------------------------- Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production PL/SQL Release 11.2.0.1.0 - Production CORE 11.2.0.1.0 Production TNS for Linux: Version 11.2.0.1.0 - Production NLSRTL Version 11.2.0.1.0 - Production SQL> show parameter comp NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ cell_offload_compaction string ADAPTIVE compatible string 11.2.0.0.0 nls_comp string BINARY plsql_v2_compatibility boolean FALSE
Kewastunpackstats(): Bad Magic 1 (0x1108f7b87, 0) In Alert Logfile After Upgrading to 11.2.0.1 (Doc ID 1227524.1)
文档提示，这是由于ASH信息读取出错导致的：
It is caused by the variable part of the Active Session History rows (the moduile, action program, etc. information) not being stored properly, causing any read-back of this data through views like (G)V$ACTIVE_SESSION_HISTORY to fail.
11.2.0.2之后的补丁集中被修正。
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/30182853/viewspace-1482637/ ，如需转载，请注明出处，否则将追究法律责任。
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