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Re: [Xen-users] Trace SRIOV NIC's MSI-X delivery to Xen

To: Manish Verma <manish.verma@xxxxxxxxxxx>
Subject: Re: [Xen-users] Trace SRIOV NIC's MSI-X delivery to Xen
From: Pasi Kärkkäinen <pasik@xxxxxx>
Date: 2011年2月21日 11:52:07 +0200
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Delivery-date: 2011年2月21日 01:53:38 -0800
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On Thu, Feb 10, 2011 at 04:51:01PM +0530, Manish Verma wrote:
> Hi all,
>
> I'm using Xen4.0.1 with SLES11SP1 with Intel's SRIOV NIC in passthrough 
> mode to FedoraCore14 guest HVMs.
> From guest HVM I'm able to send packets out but not able to receive the 
> same.
> Intel NIC HW counters are reporting receiving packets but the same is 
> not reaching the guest HVM.
> My NIC uses MSI-X to report packets to SW. which should be received by 
> Xen and forwarded to HVM guest where I don't see relevant 
> /proc/interrupts counter ticking.
>
> Thus I would like to trace whether MSI-X requests are reaching Xen. Any 
> known xen command to trace the same.
>
Hello,
Did you open a bug case to Novell support about this issue?
-- Pasi
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