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[Xen-devel] Strange interrupt data for page fault

  • To: xen-devel@xxxxxxxxxxxxxxxxxxx
  • From: Juergen Gross <juergen.gross@xxxxxxxxxxxxxxxxxxx>
  • Date: Wed, 09 Jan 2008 15:41:25 +0100
  • Delivery-date: Wed, 09 Jan 2008 06:42:10 -0800
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  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>


I've got a strange problem with XEN:

I'm testing a 64-bit HVM-domain (a little OS written by me) with XEN 3.0.4
changeset 13138 on x86_64 (Dom0 and XEN taken from SLES 10 SP1).

Always at the same point I get a page fault (which is okay) in PL=3 with
strange interrupt data on the stack: the EIP is okay, but the CS saved is
the TSS instead of my 64-bit user CS selector.

I haven't found any bug report for this behaviour in the mailing list

Unfortunately I can't test without XEN, as all I/O for the HVM-Domain is
done via a PV-driver.


Juergen Gross                             Principal Developer
IP SW OS6                      Telephone: +49 (0) 89 636 47950
Fujitsu Siemens Computers         e-mail: juergen.gross@xxxxxxxxxxxxxxxxxxx
Otto-Hahn-Ring 6                Internet: www.fujitsu-siemens.com
D-81739 Muenchen         Company details: www.fujitsu-siemens.com/imprint.html

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