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Re: port-xen/46105: hypervisor-dependent(?) xen crash
The following reply was made to PR port-xen/46105; it has been noted by GNATS.
From: Manuel Bouyer <bouyer%antioche.eu.org@localhost>
To: Jeff Rizzo <riz%NetBSD.org@localhost>
Subject: Re: port-xen/46105: hypervisor-dependent(?) xen crash
Date: Mon, 27 Feb 2012 18:30:54 +0100
On Mon, Feb 27, 2012 at 09:21:13AM -0800, Jeff Rizzo wrote:
> Appears to be only some; I just tried duplicating the problem (with
> your patch), and of 5 launches, 2 were 3.1, and one of the two crashed.
It seemed to crash early enough for the problem to be reliably
> Unfortunately, it did not seem to print the tiny version. :/
> > I guess there's no way to restricy a domain to some hypervisor versions
> > on amazon ?
> > Also, please apply the attached diff if you can reproduce this.
> > It prints the tiny version of the hypervisor, which can help identifing
> > bugs
> > present.
> It didn't seem to do anything; maybe I biffed it somehow.
> Here is the dmesg from the instance that booted OK:
> Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
> 2006, 2007, 2008, 2009, 2010, 2011, 2012
> The NetBSD Foundation, Inc. All rights reserved.
> Copyright (c) 1982, 1986, 1989, 1991, 1993
> The Regents of the University of California. All rights reserved.
> NetBSD 6.0_BETA (EC2) #1: Mon Feb 27 08:36:48 PST 2012
> total memory = 615 MB
> avail memory = 596 MB
> timecounter: Timecounters tick every 10.000 msec
> mainbus0 (root)
> hypervisor0 at mainbus0: Xen version 3.1
Mine now says:
NetBSD 6.99.3 (XEN3PAE_DOMU) #19: Mon Feb 27 18:27:36 CET 2012
total memory = 512 MB
avail memory = 496 MB
timecounter: Timecounters tick every 10.000 msec
cprng kernel: WARNING insufficient entropy at creation.
hypervisor0 at mainbus0: Xen version 3.1.4
I think XENVER_extraversion should work; even Xen 3.0 has it.
I hope amazon didn't remove it ...
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
NetBSD: 26 ans d'experience feront toujours la difference
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