I bound 0000:04:00.0 with uio_pci_generic as follows: # modprobe uio_pci_generic # $DPDK_DIR/usertools/dpdk-devbind.py --status # sudo $DPDK_DIR/usertools/dpdk-devbind.py --bind=uio_pci_generic 0000:04:00.0
got same error in ovs-vswitched.log: 2018-12-3T08:21:40.430Z|00165|dpdk|ERR|EAL: Driver cannot attach the device ( 0000:04:00.0 ) 2018-12-3T08:21:40.430Z|00166|dpdk|ERR|EAL: No port found for device ( 0000:04:00.0 ) 2018-12-3T08:21:40.430Z|00167|netdev_dpdk|WARN|Error attaching device 0000:04:00.0 ' to DPDK 2018-12-3T08:21:40.430Z|00168|netdev|WARN|dpdkx: could not set configuration (Invalid argument) Please help!!! Best Regards, Ramzah Rehman On Fri, Nov 30, 2018 at 1:47 PM Ramzah Rehman <[email protected]> wrote: > Hi. I Have installed Open vSwitch 2.9.4 with DPDK 17.11.4 on Ubuntu > 14.04.5 LTD and kernel version 4.4.0-31-generic on a server A following > these two links: > http://docs.openvswitch.org/en/latest/intro/install/dpdk/ > > http://docs.openvswitch.org/en/latest/intro/install/general/#general-bootstrapping > > Now, when I run TCP client via iperf from server A to another server B, I > get a bandwidth of around 350Mbps on 1000Mbps link. I have not bound any > ports on server A to DPDK. Please advise how can I reach bandwidth of > around 1000Mbps in this setting. Is it because I need to bind physical > ports in use to DPDK driver? > > I have tried binding the physical port to DPDK (Hot-plugging) following > this link: http://docs.openvswitch.org/en/latest/topics/dpdk/phy/ > > #ovs-vsctl add-port OVS_BR_LEAF_0 dpdkx -- set Interface dpdkx type=dpdk > options:dpdk-devargs=0000:03:02.0 > > Error in ovs-vswitchd.log: > > 2018-11-30T08:21:40.430Z|00165|dpdk|ERR|EAL: Driver cannot attach the > device (0000:03:02.0) > 2018-11-30T08:21:40.430Z|00166|dpdk|ERR|EAL: No port found for device > (0000:03:02.0) > 2018-11-30T08:21:40.430Z|00167|netdev_dpdk|WARN|Error attaching device > '0000:03:02.0' to DPDK > 2018-11-30T08:21:40.430Z|00168|netdev|WARN|dpdkx: could not set > configuration (Invalid argument) > > Useful information: > > #uname -r > 4.4.0-31-generic > > #cat /proc/cmdline > BOOT_IMAGE=/boot/vmlinuz-4.4.0-31-generic > root=UUID=286cabb9-ebd3-4b51-b1b2-8c139acb1d22 ro intel_iommu=on iommu=pt > quiet splash vt.handoff=7 > > #cat /etc/*release > DISTRIB_ID=Ubuntu > DISTRIB_RELEASE=14.04 > DISTRIB_CODENAME=trusty > DISTRIB_DESCRIPTION="Ubuntu 14.04.5 LTS" > NAME="Ubuntu" > VERSION="14.04.5 LTS, Trusty Tahr" > ID=ubuntu > ID_LIKE=debian > PRETTY_NAME="Ubuntu 14.04.5 LTS" > VERSION_ID="14.04" > HOME_URL="http://www.ubuntu.com/"; > SUPPORT_URL="http://help.ubuntu.com/"; > BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/"; > > #/usr/src/dpdk-stable-17.11.4/usertools/dpdk-devbind.py --status > > Network devices using DPDK-compatible driver > ============================================ > <none> > > Network devices using kernel driver > =================================== > 0000:00:19.0 'Ethernet Connection I217-LM 153a' if=eth2 drv=e1000e unused= > *Active* > 0000:03:02.0 'RTL8169 PCI Gigabit Ethernet Controller 8169' if=eth0 > drv=r8169 unused= > 0000:04:00.0 'RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller > 8168' if=eth1 drv=r8169 unused= > > Other Network devices > ===================== > <none> > > Crypto devices using DPDK-compatible driver > =========================================== > <none> > > Crypto devices using kernel driver > ================================== > <none> > > Other Crypto devices > ==================== > <none> > > Eventdev devices using DPDK-compatible driver > ============================================= > <none> > > Eventdev devices using kernel driver > ==================================== > <none> > > Other Eventdev devices > ====================== > <none> > > Mempool devices using DPDK-compatible driver > ============================================ > <none> > > Mempool devices using kernel driver > =================================== > <none> > > Other Mempool devices > ===================== > <none> > #grep HugePages_ /proc/meminfo > > HugePages_Total: 1471 > HugePages_Free: 959 > HugePages_Rsvd: 0 > HugePages_Surp: 0 > > > > Best Regards, > Ramzah Rehman >
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