From: Avner Taieb <avner@reduxio.com>
To: Bruce Richardson <bruce.richardson@intel.com>
Cc: "Roberts, Lee A." <lee.roberts@hpe.com>, "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] Need Help for Intel - i40e , XL710 40GbE Controller
Date: Thu, 5 Mar 2020 16:11:24 +0200 [thread overview]
Message-ID: <CANBJLZG6DNAtNxKahJ2dxSBP-01F2X3doSKX0jzbek8AgYFqZQ@mail.gmail.com> (raw)
In-Reply-To: <20200305092334.GB289@bricha3-MOBL.ger.corp.intel.com>
Thanks. I'll try
On Thu, Mar 5, 2020 at 11:23 AM Bruce Richardson <bruce.richardson@intel.com>
wrote:
> On Wed, Mar 04, 2020 at 08:05:27PM +0200, Avner Taieb wrote:
> > Thanks Lee. I already read it and tried the potential remedy that is
> > suggested i.e. enabling the multi driver support , but it didn't solved
> the
> > problem.
> > Are there more setting documented anywhere ?
> >
>
> Did you try using igb_uio driver from DPDK as the kernel module to see if
> that works? The IOMMU grouping of the ports may be causing issues.
>
> /Bruce
>
> > On Wed, Mar 4, 2020 at 7:33 PM Roberts, Lee A. <lee.roberts@hpe.com>
> wrote:
> >
> > > See https://www.kernel.org/doc/Documentation/networking/i40e.rst, in
> > > particular,
> > > read the paragraph on "Unexpected Issues when the device driver and
> DPDK
> > > share a device".
> > >
> > > - Lee
> > >
> > > -----Original Message-----
> > > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Avner Taieb
> > > Sent: Wednesday, March 4, 2020 9:48 AM
> > > To: dev@dpdk.org
> > > Subject: [dpdk-dev] Need Help for Intel - i40e , XL710 40GbE Controller
> > >
> > > Hi,
> > > I am using XL710 40GbE Controller with two ports.
> > > The way I am using them is one port is configured to vfio-pci for using
> > > with dpdk in user space and the other is left to the kernel driver and
> for
> > > a seperate application that does not use DPDK.
> > > As soon as DPDK initialize and start the port, the other port
> > > become unusable.
> > >
> > > Is there any setting/configuration that I am missing ?
> > >
> > > Thanks,
> > > Avner
> > >
>
prev parent reply other threads:[~2020-03-05 14:10 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-04 16:48 Avner Taieb
2020-03-04 17:33 ` Roberts, Lee A.
2020-03-04 18:05 ` Avner Taieb
2020-03-05 9:23 ` Bruce Richardson
2020-03-05 14:11 ` Avner Taieb [this message]
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