From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeremy Fitzhardinge <jeremy@goop.org>
Subject: Re: Hang on boot when using IPMI 2.0 SoL console
Date: Thu, 10 Dec 2009 10:25:11 -0800
Message-ID: <4B213D07.7050306@goop.org>
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	<C7463EC6.410A%keir.fraser@eu.citrix.com>
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To: Andrew Lyon <andrew.lyon@gmail.com>
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On 12/10/09 00:10, Andrew Lyon wrote:
>> So the interrupt line isn't working for your com3, for some reason.
>>      
> I had to use irq=0 with intel amt sol on a dell optiplex 755, I found
> this documentation which suggested it
> http://manpages.ubuntu.com/manpages/jaunty/man7/amt-howto.7.html
>    

Yeah, same deal.  Disable interrupts for Xen, but not Linux.  Konrad's 
patch looks like it's a good workaround, but it would be nice to work 
out how Xen and Linux's serial drivers differ here (though I'm guessing 
its really a bug in the underlying 16550 emulation).

     J