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Re: [Xen-devel] domU can't start, Non-priv warnings

To: Andrew Theurer <habanero@xxxxxxxxxx>
Subject: Re: [Xen-devel] domU can't start, Non-priv warnings
From: Jerone Young <jyoung5@xxxxxxxxxx>
Date: Tue, 16 Aug 2005 14:32:50 -0500
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On Tue, 2005-08-16 at 14:19 -0500, Andrew Theurer wrote:
> Can't seem to fully boot a domU on either EM64T or Opteron with x86_64 
> xen-unstable.  Both systems' report this from xen:
> (XEN) (file=traps.c, line=872) Non-priv domain attempted 
> WRMSR(00000000c0000100.
> (XEN) (file=traps.c, line=872) Non-priv domain attempted 
> WRMSR(00000000c0000102.
> (XEN) (file=traps.c, line=880) Non-priv domain attempted 
> RDMSR(00000000c0000080.
> They boot partially, ending with:
> xen_mem: Initialising balloon driver.
> Grant table initialized
> IA32 emulation $Id: sys_ia32.c,v 1.32 2002/03/24 13:02:28 ak Exp $
> audit: initializing netlink socket (disabled)
> audit(1124251914.348:0): initialized
> VFS: Disk quotas dquot_6.5.1
> Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
> This is with the default kernel configs xen-unstable provides.  NX is 
> enabled on the EM64T.  I could not find a similar BIOS option for 
> Opteron.  Even through they are "stuck", cpu time for these domains 
> increments steadily.  Any ideas?

Checking it out...looks like Xen is pretty screwed on Opteron machines
at the moment (at least on my dual Opteron workstation). There seems to
be some timer issue...takes forever fro the machine to boot up.

Oh..AMD does not have an option for the NX bit...the cpu always can
understand it.
> -Andrew
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Jerone Young
IBM Linux Technology Center
512-838-1157 (T/L: 678-1157)

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