kewastUnPackStats(): bad magic 1 (0x0000000022607DF0, 0)

huzhichengforce發表於2014-08-27

今天檢視日誌出現下列資訊

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)
經查詢:
這已經是一個已知的BUG。
這時由於ASH資訊讀取處錯誤導致的。
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.
還有一個變通的方案就是設定如下引數
Some suggest setting the control_management_pack_access to none as a temporary workaround:
alter system set control_management_pack_access='none' scope=memory;
這個BUG不會引起帶嚴重的問題,打patch 8730312 可以解決問題。
參考文件:
"kewastUnPackStats(): bad magic 1 (0xXXXXXXXXX, 0)" in Alert Logfile After Upgrading to 11.2.0.1 (文件 ID 
1227524.1)
Bug 8730312 - wrong Null ASH data may cause dumps and kew* messages in alert.log (文件 ID 8730312.8)
kewastUnPackStats(): bad magic 1 tips

以上為網路資料


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