> -----Original Message----- > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Dey, Souvik > Sent: Friday, May 29, 2015 1:22 PM > To: dev at dpdk.org > Subject: [dpdk-dev] Unable to bind Virtio_pci in DPDK1.7 > > Hi All, > I am currently facing a weird issue where I am not able to > bind the > virtio_pci device to igb_uio in DPDK1.7 on QEMU/KVM. I can see there are > two fold issues. > 1.The pci_unbind.py script where the virt_path is removed from 1.6 to 1.7 > version due to which the initial status is not able to show any interface > name. > > Network devices using DPDK-compatible driver > ============================================ > <none> > > Network devices using kernel driver > =================================== > 0000:00:03.0 'Virtio network device' if= drv=virtio-pci > unused=virtio_pci,igb_uio > 0000:00:04.0 'Virtio network device' if= drv=virtio-pci > unused=virtio_pci,igb_uio > 0000:00:05.0 'Virtio network device' if= drv=virtio-pci > unused=virtio_pci,igb_uio > 0000:00:06.0 'Virtio network device' if= drv=virtio-pci > unused=virtio_pci,igb_uio > > Other network devices > ===================== > <none> > > > 2. After correcting the above issue , I am stuck where the interface is > failing > to bind to igb_uio. I tried to bind the interface manually to igb_uio but I > am > getting the following error > > lspci -k > 00:05.0 Ethernet controller: Red Hat, Inc Virtio network device > Subsystem: Red Hat, Inc Device 0001 > Kernel modules: virtio_pci > > echo 0000:00:05.0 > /sys/bus/pci/drivers/igb_uio/bind > -bash: echo: write error: No such device > > Due to this the bind fails and the virtio_pmd is not able to take and my app > is > not coming up. > EAL: PCI device 0000:00:03.0 on NUMA socket -1 > EAL: probe driver: 1af4:1000 rte_virtio_pmd > EAL: 0000:00:06.0 not managed by UIO driver, skipping > EAL: Error - exiting with code: 1 > Cause: No Ethernet ports - bye > > I see lots of email threads on similar issue but none had the final > conclusion. > So can someone guide me on how to proceed further or get out of this error. >
Suggest you use the dpdk_nic_bind.py in recently released dpdk package or get it from dpdk.org repo. I use it to bind virtio-pci device to igb_uio and after that, I bind it reversely from igb_uio back to virtio-pci again. It works, don't find any issue. Thanks Changchun