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RE: [Xen-devel] Help!!! mm.c:566: Non-privileged (5) attempt to map I/Ospace 00000000

  • To: "Xin Zhao" <zhaoxin@xxxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "Ian Pratt" <Ian.Pratt@xxxxxxxxxxxx>
  • Date: Mon, 28 May 2007 21:03:38 +0100
  • Delivery-date: Mon, 28 May 2007 13:02:27 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: Acegxa4JD6G2/mY+SQOd+T52j60/fQATmaLQ
  • Thread-topic: [Xen-devel] Help!!! mm.c:566: Non-privileged (5) attempt to map I/Ospace 00000000

> Recently, my Xen always generates complains like  "mm.c:566:
> Non-privileged (5) attempt to map I/O space 00000000".  Usually after
> this complain, my system became unstable.
> What can cause this problem? Anyone know how to fix this problem?

In what way does the system become unstable? Does the guest that caused
the error (domain 5 in this case) become unstable, or do you loose the
whole system? What OS are you running in the guest, and where did you
get the bits from and what version?

The message above is typically harmless and is seen during the boot of
some guests that attempt to map machine page zero.


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