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From: Hannes Reinecke <hare@suse.de>
To: Chris Wright <chrisw@sous-sol.org>
Cc: kvm@vger.kernel.org, Sheng Yang <sheng@linux.intel.com>
Subject: Re: MSI-X not enabled for ixgbe device-passthrough
Date: Fri, 26 Mar 2010 17:05:42 +0100	[thread overview]
Message-ID: <4BACDB56.4020508@suse.de> (raw)
In-Reply-To: <20100325175446.GI1744@sequoia.sous-sol.org>

Chris Wright wrote:
> * Hannes Reinecke (hare@suse.de) wrote:
>> Hi all,
>>
>> I'm trying to setup a system with device-passthrough for
>> an ixgbe NIC.
>> The device itself seems to work, but it isn't using MSI-X.
>> So some more advanced features like DCB offloading etc
>> won't work.
> 
> Please send the relevant dmesg from the guest when it initializes the
> device.  BTW, more typical case for that NIC is to assign the VF to the
> guest, not the whole PF.
> 
Yes, I know. But my kernel I'm testing with doesn't have one for ixgbe.
So I tested that one. And KVM really should enable MSI-X here,
VFs notwithstanding.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		      zSeries & Storage
hare@suse.de			      +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: Markus Rex, HRB 16746 (AG Nürnberg)

  reply	other threads:[~2010-03-26 16:05 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-24 15:54 MSI-X not enabled for ixgbe device-passthrough Hannes Reinecke
2010-03-25  1:39 ` Sheng Yang
2010-03-25 15:29   ` Hannes Reinecke
2010-03-25 17:54 ` Chris Wright
2010-03-26 16:05   ` Hannes Reinecke [this message]
2010-03-26 19:40     ` Chris Wright
2010-03-29  6:28       ` Hannes Reinecke
2010-03-29 16:46         ` Chris Wright
2010-03-29 17:09           ` Alexander Graf

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