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Re: [Xen-devel] Serial console problem with Xen 3.0

from [Keir Fraser]

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To:	Ryan <hap9@xxxxxxxxxxxxxx>
Subject:	Re: [Xen-devel] Serial console problem with Xen 3.0
From:	Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date:	Tue, 11 Apr 2006 16:42:53 +0100
Cc:	Don Zickus <dzickus@xxxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, vincent.hanquez@xxxxxxxxxxxx, Michael Paesold <mpaesold@xxxxxx>
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On 11 Apr 2006, at 16:38, Ryan wrote:

I've not yet found a good workaround except to disable pnpacpi. Itwouldbe nice to have pnpacpi (or some component) detect that Xen is usingthe
serial port and leave it untouched.

I think this explains the behavior in bug 229 (and possibly 579 as
well).

It's actually fixed in latest -unstable and -testing trees (we simplyignore the IO-APIC write that attempts to mask the interrupt).


 -- Keir


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