kewastUnPackStats(): bad magic 1 (0x0000000022607DF0, 0)
今天查看日志出现下列信息
Wed Aug 27 10:00:12 2014
kewastUnPackStats(): bad magic 1 (0x0000000022607DF0, 0)
kewastUnPackStats(): bad magic 1 (0x0000000022607DF0, 0)
kewastUnPackStats(): bad magic 1 (0x0000000022607CB1, 0)
kewastUnPackStats(): bad magic 1 (0x0000000022607CB1, 0)
kewastUnPackStats(): bad magic 1 (0x0000000022607DE0, 0)
kewastUnPackStats(): bad magic 1 (0x0000000022607DE0, 0)
经查询：
这已经是一个已知的BUG。
这时由于ASH信息读取处错误导致的。
It is caused by the variable part of the Active Session History rows (the module, 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.
还有一个变通的方案就是设置如下参数
Some suggest setting the control_management_pack_access to none as a temporary workaround:
alter system set control_management_pack_access='none' scope=memory;
这个BUG不会引起带严重的问题，打patch 8730312 可以解决问题。
参考文档：
"kewastUnPackStats(): bad magic 1 (0xXXXXXXXXX, 0)" in Alert Logfile After Upgrading to 11.2.0.1 (文档 ID
1227524.1)
Bug 8730312 - wrong Null ASH data may cause dumps and kew* messages in alert.log (文档 ID 8730312.8)
kewastUnPackStats(): bad magic 1 tips
以上为网络资料
kewastUnPackStats(): bad magic 1 (0x0000000022607CB1, 0)
kewastUnPackStats(): bad magic 1 (0x0000000022607CB1, 0)
kewastUnPackStats(): bad magic 1 (0x0000000022607DE0, 0)
kewastUnPackStats(): bad magic 1 (0x0000000022607DE0, 0)
经查询：
这已经是一个已知的BUG。
这时由于ASH信息读取处错误导致的。
It is caused by the variable part of the Active Session History rows (the module, 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.
还有一个变通的方案就是设置如下参数
Some suggest setting the control_management_pack_access to none as a temporary workaround:
alter system set control_management_pack_access='none' scope=memory;
这个BUG不会引起带严重的问题，打patch 8730312 可以解决问题。
参考文档：
"kewastUnPackStats(): bad magic 1 (0xXXXXXXXXX, 0)" in Alert Logfile After Upgrading to 11.2.0.1 (文档 ID
1227524.1)
Bug 8730312 - wrong Null ASH data may cause dumps and kew* messages in alert.log (文档 ID 8730312.8)
kewastUnPackStats(): bad magic 1 tips
以上为网络资料
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/26764973/viewspace-1258669/ ，如需转载，请注明出处，否则将追究法律责任。
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