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Re: [Xen-devel] [PATCH] x86: machine check exception handling


  • To: Jan Beulich <jbeulich@xxxxxxxxxx>
  • From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
  • Date: Fri, 22 Jun 2007 08:52:45 +0100
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Fri, 22 Jun 2007 00:48:11 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: Ace0olGYkCN5OiCVEdys7AAWy6hiGQ==
  • Thread-topic: [Xen-devel] [PATCH] x86: machine check exception handling

On 22/6/07 08:47, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote:

>> What issue do you think ExtInts will introduce? A crash before we get a
>> fatal error dump onto the Xen console? This argument seems more than a
>> little dubious to me.
> 
> Why - such a crash would be *very* difficult to debug, as you likely wouldn't
> be able to guess the original reason.

Random unrecoverable hardware errors which affect execution of the lowest
levels of your supervisor software will tend to have that effect. :-)

 -- Keir



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