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Re: [Xen-devel] [PATCH] change VGA yield behavior

  • To: Jan Beulich <jbeulich@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
  • Date: Wed, 07 Feb 2007 18:13:26 +0000
  • Delivery-date: Wed, 07 Feb 2007 10:13:14 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcdK46kx55vVUrbWEducGAAX8io7RQ==
  • Thread-topic: [Xen-devel] [PATCH] change VGA yield behavior

On 7/2/07 17:18, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote:

> Make the default VGA console yield behavior more debugging friendly by
> allowing Xen to print to the console (by default) even after dom0
> started, as long as the VGA card is not in graphics mode.
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>

This seems a bit iffy, at least as default. The usage scenario is to catch
crashes that take out the machine enough that 'xm dmesg' cannot be used,
where there is no serial line to catch the output, and where the bug is not
easily repro'able, right?

 -- Keir

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