From: "Roedel, Joerg" <Joerg.Roedel@amd.com>
To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Avi Kivity <avi@redhat.com>,
Gerhard Wiesinger <lists@wiesinger.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
Kevin Wolf <kwolf@redhat.com>
Subject: Re: DOS VM problem with QEMU-KVM and newer kernels
Date: Mon, 16 Apr 2012 12:30:27 +0200 [thread overview]
Message-ID: <20120416103026.GV2428@amd.com> (raw)
In-Reply-To: <4F8BF3A1.8090200@siemens.com>
On Mon, Apr 16, 2012 at 12:25:37PM +0200, Jan Kiszka wrote:
> On 2012-04-15 11:44, Avi Kivity wrote:
> > Jan, Joerg, was an AMD erratum published for the bug?
>
> It wasn't an erratum but a documented feature limitation in the AMD
> architecture that was simply ignored by the old code.
Right. But there is an erratum on K8 (only) which Kevin ran into. It is
documented as Erratum 701 and the bug is that no EXITINTINFO is stored
on a task-switch intercept on K8.
Joerg
--
AMD Operating System Research Center
Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach
General Managers: Alberto Bozzo
Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen, HRB Nr. 43632
next prev parent reply other threads:[~2012-04-16 10:30 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-12 18:32 DOS VM problem with QEMU-KVM and newer kernels Gerhard Wiesinger
2012-04-15 9:44 ` Avi Kivity
2012-04-15 19:03 ` Gerhard Wiesinger
2012-04-16 10:11 ` Avi Kivity
2012-04-16 10:25 ` Jan Kiszka
2012-04-16 10:30 ` Roedel, Joerg [this message]
2012-04-16 12:03 ` Avi Kivity
2012-04-16 12:18 ` Gerhard Wiesinger
2012-04-16 12:28 ` Avi Kivity
2012-04-16 11:59 ` Avi Kivity
2012-04-17 6:04 ` Gerhard Wiesinger
2012-04-17 6:57 ` Gleb Natapov
2012-04-17 7:33 ` [Qemu-devel] " Avi Kivity
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