From: Muli Ben-Yehuda <muli@il.ibm.com>
To: Zwane Mwaikambo <zwane@infradead.org>
Cc: kvm@vger.kernel.org
Subject: Re: PCI passthrough = NMIs
Date: Mon, 13 Oct 2008 08:35:48 +0200 [thread overview]
Message-ID: <20081013063548.GD10147@il.ibm.com> (raw)
In-Reply-To: <alpine.DEB.2.00.0810122302350.10485@montezuma.windriver.com>
On Sun, Oct 12, 2008 at 11:09:14PM -0700, Zwane Mwaikambo wrote:
> Hi,
> I've been trying to get a Linux guest working with PCI passthrough
> of an ethernet card using the vtd branches. The device detection works and
> the guest reports a link, however as soon as i try and ping the guest it
> receives an NMI (i'm guessing this is PCI DMA related). Interrupt delivery
> to the guest looks fine (count increases at a low rate) and isn't shared
> with anything else on the host.
>
> Thanks for any hints.
Anything in the host dmesg? Are you using VT-d?
Cheers,
Muli
--
The First Workshop on I/O Virtualization (WIOV '08)
Dec 2008, San Diego, CA, http://www.usenix.org/wiov08/
<->
SYSTOR 2009---The Israeli Experimental Systems Conference
http://www.haifa.il.ibm.com/conferences/systor2009/
next prev parent reply other threads:[~2008-10-13 6:36 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-13 6:09 PCI passthrough = NMIs Zwane Mwaikambo
2008-10-13 6:35 ` Muli Ben-Yehuda [this message]
2008-10-13 15:04 ` Zwane Mwaikambo
2008-10-14 3:08 ` Sheng Yang
2008-10-14 4:39 ` Zwane Mwaikambo
2008-10-14 7:16 ` Sheng Yang
2008-10-14 7:33 ` Han, Weidong
2008-10-14 17:16 ` Zwane Mwaikambo
2008-10-15 9:50 ` Amit Shah
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