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Re: [Xen-devel] [PATCH] more guest debugging aids

from [Jan Beulich]

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To:	<xen-devel@xxxxxxxxxxxxxxxxxxx>,"Keir Fraser" <keir@xxxxxxxxxxxxx>
Subject:	Re: [Xen-devel] [PATCH] more guest debugging aids
From:	"Jan Beulich" <jbeulich@xxxxxxxxxx>
Date:	Thu, 14 Dec 2006 12:16:21 +0000
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>>> Keir Fraser <keir@xxxxxxxxxxxxx> 14.12.06 11:39 >>>
>On 12/12/06 13:32, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote:
>
>> This adds a page walk for the cases where creation of a bounce frame faults.
>> 
>> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>
>
>It's not clear to me that this will be very useful very often. If I had a
>bug of this type I'd be happy enough just to hack in a show_page_walk() into
>domain_crash() when I needed it (assuming the bug is repro'able of course,
>but usually crashes here are deterministic and start-of-day for a domU).

It's probably not very often that it's needed, but it was rather handy during
32on64 bringup...

Jan

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