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Re: [Xen-devel] set_gdt failing in translated mode

  • To: Tim Wood <twwood@xxxxxxxxx>, Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: Keir Fraser <keir@xxxxxxxxxxxxx>
  • Date: Mon, 11 Dec 2006 09:42:02 +0000
  • Delivery-date: Mon, 11 Dec 2006 01:42:02 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AccdCJwl2toT8Ij7EduICgAX8io7RQ==
  • Thread-topic: [Xen-devel] set_gdt failing in translated mode

On 11/12/06 01:03, "Tim Wood" <twwood@xxxxxxxxx> wrote:

> I'm working on save/restore for domains using translated shadow page
> tables.  I've added support so that page tables are not
> (un)canonicalized during save/restore, but when the new context is
> being loaded, the set_gdt call is failing.  Specifically, the
> get_page_and_type() call fails.

What's the error (try adding guest_loglvl=all as a Xen boot parameter)? Most
likely Xen thinks the GDT pages are already mapped writable. Or there could
be a PFN vs. MFN mixup.

 -- Keir

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