From: KURT.HACKEL@ORACLE.COM
To: Jan Beulich <jbeulich@novell.com>,
xen-devel@lists.xensource.com,
Keir Fraser <Keir.Fraser@cl.cam.ac.uk>
Cc: Ian Pratt <Ian.Pratt@eu.citrix.com>
Subject: RE: Crash in hypercall_xlat_continuation with 64bit xen 3.1.1 when migrating a 32bit pv guest
Date: Fri, 7 Dec 2007 23:58:05 -0600 (CST) [thread overview]
Message-ID: <28940166.1197093485455.JavaMail.oracle@acsmt301.oracle.com> (raw)
In-Reply-To: <DD74FBB8EE28D441903D56487861CD9D24F619FD@lonpexch01.citrite.net>
> > I'm seeing a crash in 64bit xen when doing live migration of a 32bit
> pv
> > guest under load. The crash does not occur without the load, it
> > happens with both Red Hat/Oracle and Xensource kernels (el4u5 in this
> case),
> > and it takes about 3-5 migrations to trigger the bug.
> > Below you'll see that the 32bit guest ebx register, stored here in the
> > 64bit reg variable, is supposed to have the upper 32bits cleared, but
> > it has 0x00000080 in the upper 32bits.
>
> Have you tried pulling through this patch?
>
> http://xenbits.xensource.com/xen-unstable.hg?rev/46776e65e679
>
> Ian
Awesome. That resolved it. A few dozen migrations with no problems yet. Thanks for the pointer Ian.
-kurt
prev parent reply other threads:[~2007-12-08 5:58 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-07 21:05 Crash in hypercall_xlat_continuation with 64bit xen 3.1.1 when migrating a 32bit pv guest Kurt C. Hackel
2007-12-07 21:47 ` Ian Pratt
2007-12-08 5:58 ` KURT.HACKEL [this message]
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