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RE: [Xen-devel] [PATCH] Fix "hda lost interrupt issue" on PAE host

To: "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>, "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx>
Subject: RE: [Xen-devel] [PATCH] Fix "hda lost interrupt issue" on PAE host
From: "Dong, Eddie" <eddie.dong@xxxxxxxxx>
Date: Sun, 23 Apr 2006 23:42:14 +0800
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
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Thread-topic: [Xen-devel] [PATCH] Fix "hda lost interrupt issue" on PAE host
Keir Fraser wrote:
> This would happen if, for example, the guest had not properly
> mapped the IDT in its page tables.
> 
I think IDT mapping must be set earlier than any exception/IRQ deliver
in native. Otherwise "double fault" itself will trigger further fault.
Eddie

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