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Re: port-amd64/49150: xrstor is privileged in Xen

The following reply was made to PR port-amd64/49150; it has been noted by GNATS.

From: Manuel Bouyer <>
Subject: Re: port-amd64/49150: xrstor is privileged in Xen
Date: Mon, 25 Aug 2014 09:54:46 +0200

 On Mon, Aug 25, 2014 at 05:25:00AM +0000, wrote:
 > >Description:
 >      The xrstor instruction is privileged in Xen and the use of
 > it leads to a panic, "fatal privileged instruction fault in supervisor
 > mode".
 > >How-To-Repeat:
 >      Attempt to boot a NetBSD 7 BETA domu kernel and watch it go
 > boom at mountroot time.
 that's strange, amd64 XEN3_DOMU boots fine here:
 Can you give more details about your setup (CPU, xen version) ?
 Manuel Bouyer <>
      NetBSD: 26 ans d'experience feront toujours la difference

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