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Re: [Xen-devel] segfault in VM

To: Derek Glidden <dglidden@xxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] segfault in VM
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Tue, 20 Jul 2004 07:56:54 +0100
Cc: xen-devel@xxxxxxxxxxxxxxxxxxxxx
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In-reply-to: Your message of "Mon, 19 Jul 2004 21:01:24 EDT." <52AB0739-D9E8-11D8-8111-000A95DBAEDE@xxxxxxxxxxxxxxx>
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This could be harmless, or indicate memory corruption.

 -- Keir


> 
> On Jul 19, 2004, at 7:06 PM, Derek Glidden wrote:
> 
> >
> > I've booted Xen with "nosmp" and will do the same things I've been 
> > doing to it to make it break and see what happens.
> 
> hmm.  Running this same box, same Xen kernel, same linux kernel, but 
> with "nosmp", just creating a domain gives me about two dozen of these:
> 
> (XEN) (file=x86_32/emulate.c, line=228) Bailing: not a -ve offset into 
> 4GB segment.
> (XEN) (file=x86_32/emulate.c, line=235) !!!! DISALLOWING UNSAFE ACCESS 
> !!!!
> 
> But so far, no crashes.
> 
> -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
> "I think that's what they mean by   |
> "nickels a day can feed a child."   |       http://www.eff.org/
> I thought, "How can food be so      | http://www.anti-dmca.org/
> cheap over there?"  It's not, they  |--------------------------
> just eat the nickels." -- Peter Nguyen
> 
> 
> 
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