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Re: [Xen-devel] Taken fault at bad CS c000...

  • To: "Tian, Kevin" <kevin.tian@xxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
  • Date: Wed, 14 Feb 2007 09:40:45 +0000
  • Delivery-date: Wed, 14 Feb 2007 01:40:12 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcdPZd1PRiWiMh0hR6eatwo259HKHwAtlXJi
  • Thread-topic: [Xen-devel] Taken fault at bad CS c000...

On 13/2/07 11:55, "Tian, Kevin" <kevin.tian@xxxxxxxxx> wrote:

> Xen-unstable has no such issue, which just happens on my local
> version with PM patch sets. Though it's very likely to do with my
> local changes, these changes are assumed to have no impact on
> normal system running. So can anybody help a bit about
> possible cause for such warning? Does it mean something wrong
> in emulate_privilege_op before gpf_emulate_4gb?

You've screwed something up so you are taking #GP(0) faults from vm86 mode.
The warnings from Xen are only debug-level and are a side effect of this.

So you need to investigate why these faults are happening in the first

 -- Keir

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