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[Xen-devel] Issue about interrupt in i8259

To: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-devel] Issue about interrupt in i8259
From: SONGWEIA@xxxxxxxxxx
Date: Thu, 14 Dec 2006 11:57:14 +0800
Delivery-date: Wed, 13 Dec 2006 19:57:32 -0800
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Dear all,
    When I start Gos(winxp or vista), I find sometimes a1 and 21 port in
8259 receive data  "FF" and sometimes not. Somebody can help me to explain
this, and also, why Gos(winxp or vista) will send "FF" to a1 or 21 port.
Thanks all!
Best Regards
                                                               
 宋 伟 ( James.Song)                                           
 Senior Develop Enigneer songweia@xxxxxxxxxx                   
                         +86-10-58861170                       
 Trusted Computing Lab   +86-10-58866632/1066                  
 Lenovo Corporate R&D                                          
 China                                                         
 Post Code 100085                                              
 Post Office Box 8688                                          
 No. 6 Shangdi Di West                                         
 Road                                                          
 Haidian District,                                             
 Beijing, China                                                
                                                               
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