I have found the root cause of it, please see the details.
solving_issue_report-for-kernel-2.6.18-308.8.2.el5.doc (application/msword), 613.00 KB, created by Mitz Amano on 2012-08-16 09:06:14 UTC
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Creator: Mitz Amano
Created: 2012-08-16 09:06:14 UTC
Size: 613.00 KB

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Attachments on bug 848706: 604834