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.robe...@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-boun...@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 > >
