^ Got that error when I was trying to add that interface to ovs switch as follows:
#ovs-vsctl add-port OVS_BR_LEAF_0 dpdkx -- set Interface dpdkx type=dpdk options:dpdk-devargs=0000:04:00.0 Best Regards, Ramzah Rehman On Mon, Dec 3, 2018 at 6:07 PM Ramzah Rehman <[email protected]> wrote: > 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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