Do you have SELinux enabled? Sounds like the policies are not updated. fbl
On Thu, May 16, 2019 at 04:16:04PM +0000, Joan Vidal wrote: > Hi Ian, > > Upgraded QEMU version to 2.10.0(qemu-kvm-ev-2.10.0-21.el7_5.7.1) > Changed /etc/libvirt/qemu.conf > user = "root" > group = "root" > > And added following lines to guest XML definition: > > > <cputune> > <vcpupin vcpu='0' cpuset='13'/> > <vcpupin vcpu='1' cpuset='29'/> > <vcpupin vcpu='2' cpuset='14'/> > <vcpupin vcpu='3' cpuset='30'/> > <vcpupin vcpu='4' cpuset='15'/> > <vcpupin vcpu='5' cpuset='31'/> > <emulatorpin cpuset='13-15,29-31'/> > </cputune> > > <numa> > <cell id='0' cpus='3,5' memory='8387584' unit='KiB' memAccess='shared'/> > </numa> > > <interface type='vhostuser'> > <mac address='0c:c4:7a:ea:4b:b2'/> > <source type='unix' path='/var/run/openvswitch/vhost0' mode='server'/> > <target dev='vhost0'/> > <model type='virtio'/> > <driver queues='2'> > <host mrg_rxbuf='on'/> > </driver> > <address type='pci' domain='0x0000' bus='0x00' slot='0x05' > function='0x0'/> > </interface> > <interface type='vhostuser'> > <mac address='0c:c4:7a:ea:4b:b3'/> > <source type='unix' path='/var/run/openvswitch/vhost1' mode='server'/> > <target dev='vhost1'/> > <model type='virtio'/> > <driver queues='2'> > <host mrg_rxbuf='on'/> > </driver> > <address type='pci' domain='0x0000' bus='0x00' slot='0x06' > function='0x0'/> > </interface> > > > Still getting same error: > > 2019-05-16T16:07:27.921191Z qemu-kvm: -chardev > socket,id=charnet2,path=/var/run/openvswitch/vhost0,server: Failed to bind > socket to /var/run/openvswitch/vhost0: Permission denied > 2019-05-16 16:07:28.140+0000: shutting down, reason=failed > > > *Joan Vidal* > > *OmniAccess* > > -----Mensaje original----- > De: Ian Stokes <ian.sto...@intel.com> > Enviado el: 16 May 2019 16:33 > Para: Joan Vidal <joan.vi...@omniaccess.com>; ovs-discuss@openvswitch.org > Asunto: Re: [ovs-discuss] OVS - QEMU unable to create vhostuserclient socket > at /var/run/openvswitch > > On 5/16/2019 3:04 PM, Joan Vidal wrote: > > Hi, > > > > I'm trying to use OVS-DPDK vhostuserclient ports with a qemu guest on > > a CentOS host. > > > > QEMU guest fails to start with the following error: > > > > error: internal error: process exited while connecting to monitor: > > 2019-05-16T13:15:27.481680Z qemu-kvm: -chardev > > socket,id=charnet2,path=/var/run/openvswitch/vhost0,server: Failed to > > bind socket: Permission denied 2019-05-16T13:15:27.482078Z qemu-kvm: > > -chardev > > socket,id=charnet2,path=/var/run/openvswitch/vhost0,server: chardev: > > opening backend "socket" failed > > > > > > Seems to be an issue with qemu-kvm permission to create the sockets in > > /var/run/openvswitch Followed this article > > https://www.redhat.com/en/blog/ovs-dpdk-migrating-vhostuser-socket-mod > > e-red-hat-openstack > > > > But is showing same error. Even running qemu-kvm and openvswitch with > > root is still returning Permission denied. > > > > > > This is the system configuration: > > > > -------------------------- > > Software versions: > > > > (Host) CentOS Linux release 7.6.1810 (Core) > > (Guest) CentOS Linux release 7.4.1708 (Core) QEMU emulator version > > 1.5.3 (qemu-kvm-1.5.3-160.el7_6.1) > > The minimum QEMU version recommended for use with vhostuserclient is QEMU 2.7 > (See OVS Documentation below). > > http://docs.openvswitch.org/en/latest/topics/dpdk/vhost-user/#vhost-user-vs-vhost-user-client > > Do you see the same issue when using QEMU 2.7? > > Also from below it looks like you are using libvirt to configure QEMU? > > If so have you followed the steps outlined in the link below > > http://docs.openvswitch.org/en/latest/topics/dpdk/vhost-user/#adding-vhost-user-ports-to-the-guest-libvirt > > Ian > > > ovs-vswitchd (Open vSwitch) 2.11.1 > > DPDK 18.11.0 > > > > > > -------------------------- > > OVS configuration > > > > > > #ovs-vsctl show > > 462375d2-8f6a-4a72-ad49-af8c00720da9 > > Bridge br-subscriber > > Port br-subscriber > > Interface br-subscriber > > type: internal > > Port "ens1f0" > > Interface "ens1f0" > > type: dpdk > > options: {dpdk-devargs="0000:81:00.0"} > > Port "vhost0" > > Interface "vhost0" > > type: dpdkvhostuserclient > > options: > > {vhost-server-path="/var/run/openvswitch/vhost0"} > > Bridge br-internet > > Port br-internet > > Interface br-internet > > type: internal > > Port "vhost1" > > Interface "vhost1" > > type: dpdkvhostuserclient > > options: > > {vhost-server-path="/var/run/openvswitch/vhost1"} > > Port "ens1f1" > > Interface "ens1f1" > > type: dpdk > > options: {dpdk-devargs="0000:81:00.1"} > > ovs_version: "2.11.1" > > > > #ovs-vsctl get Open_vSwitch . other_config {dpdk-init="true", > > dpdk-socket-mem="0,2048", pmd-cpu-mask="0x02000200"} > > > > > > #cat /etc/sysconfig/openvswitch > > OPTIONS="" > > OVS_USER_ID="openvswitch:hugetlbfs" > > > > > > # ls -la /var/run/openvswitch/ > > total 12 > > drwxrwsr-x. 3 openvswitch hugetlbfs 260 May 16 12:00 . > > drwxr-xr-x. 29 root root 920 May 16 12:14 .. > > srwxr-x---. 1 openvswitch hugetlbfs 0 May 16 12:00 br-internet.mgmt > > srwxr-x---. 1 openvswitch hugetlbfs 0 May 16 12:00 > > br-internet.snoop srwxr-x---. 1 openvswitch hugetlbfs 0 May 16 > > 12:00 br-subscriber.mgmt srwxr-x---. 1 openvswitch hugetlbfs 0 May > > 16 12:00 br-subscriber.snoop srwxr-x---. 1 openvswitch hugetlbfs 0 > > May 16 12:00 db.sock drwx------. 3 openvswitch hugetlbfs 60 May 16 > > 12:00 dpdk srwxr-x---. 1 openvswitch hugetlbfs 0 May 16 12:00 > > ovsdb-server.21194.ctl -rw-r--r--. 1 openvswitch hugetlbfs 6 May 16 > > 12:00 ovsdb-server.pid srwxr-x---. 1 openvswitch hugetlbfs 0 May 16 > > 12:00 ovs-vswitchd.21250.ctl -rw-r--r--. 1 openvswitch hugetlbfs 6 > > May 16 12:00 ovs-vswitchd.pid -rw-r--r--. 1 root root 41 > > May 16 12:00 useropts > > > > > > -------------------------- > > qemu configuration > > > > #cat /etc/libvirt/qemu.conf > > user = "qemu" > > group = "hugetlbfs" > > > > Vhostuser parameters used when starting guest with > > /usr/libexec/qemu-kvm > > > > -chardev socket,id=charnet2,path=/var/run/openvswitch/vhost0,server > > -netdev vhost-user,chardev=charnet2,id=hostnet2 -device > > virtio-net-pci,netdev=hostnet2,id=net2,mac=0c:c4:7a:ea:4b:b2,bus=pci.0 > > ,addr=0x5 -chardev > > socket,id=charnet3,path=/var/run/openvswitch/vhost1,server > > -netdev vhost-user,chardev=charnet3,id=hostnet3 -device > > virtio-net-pci,netdev=hostnet3,id=net3,mac=0c:c4:7a:ea:4b:b3,bus=pci.0 > > ,addr=0x6 > > > > -------------------------- > > > > Logs > > > > /var/log/openvswitch/ovs-vswitchd.log > > 2019-05-16T13:05:23.421Z|00142|dpdk|INFO|VHOST_CONFIG: vhost-user > > client: socket created, fd: 62 > > 2019-05-16T13:05:23.421Z|00143|netdev_dpdk|INFO|vHost User device > > 'vhost0' created in 'client' mode, using client socket > > '/var/run/openvswitch/vhost0' > > 2019-05-16T13:05:23.421Z|00144|dpdk|WARN|VHOST_CONFIG: failed to > > connect to /var/run/openvswitch/vhost0: No such file or directory > > 2019-05-16T13:05:23.421Z|00145|dpdk|INFO|VHOST_CONFIG: > > /var/run/openvswitch/vhost0: reconnecting... > > 2019-05-16T13:05:23.421Z|00146|dpif_netdev|INFO|Core 9 on numa node 1 > > assigned port 'ens1f0' rx queue 0 (measured processing cycles 123318). > > 2019-05-16T13:05:23.421Z|00147|dpif_netdev|INFO|Core 25 on numa node 1 > > assigned port 'ens1f1' rx queue 0 (measured processing cycles 46293). > > 2019-05-16T13:05:23.421Z|00148|dpif_netdev|WARN|There's no available > > (non-isolated) pmd thread on numa node 0. Queue 0 on port 'vhost0' > > will be assigned to the pmd on core 25 (numa node 1). Expect reduced > > performance. > > 2019-05-16T13:05:23.421Z|00149|bridge|INFO|bridge br-internet: added > > interface vhost0 on port 3 > > 2019-05-16T13:05:58.525Z|00150|bridge|INFO|bridge br-internet: deleted > > interface vhost0 on port 3 > > 2019-05-16T13:05:58.525Z|00151|dpif_netdev|INFO|Core 9 on numa node 1 > > assigned port 'ens1f0' rx queue 0 (measured processing cycles 244368). > > 2019-05-16T13:05:58.525Z|00152|dpif_netdev|INFO|Core 25 on numa node 1 > > assigned port 'ens1f1' rx queue 0 (measured processing cycles 92211). > > 2019-05-16T13:06:08.335Z|00153|dpdk|INFO|VHOST_CONFIG: vhost-user > > client: socket created, fd: 62 > > 2019-05-16T13:06:08.335Z|00154|netdev_dpdk|INFO|vHost User device > > 'vhost1' created in 'client' mode, using client socket > > '/var/run/openvswitch/vhost1' > > 2019-05-16T13:06:08.335Z|00155|dpdk|WARN|VHOST_CONFIG: failed to > > connect to /var/run/openvswitch/vhost1: No such file or directory > > 2019-05-16T13:06:08.335Z|00156|dpdk|INFO|VHOST_CONFIG: > > /var/run/openvswitch/vhost1: reconnecting... > > > > Any idea will be apreciated, thanks! > > > > > > > > *Joan Vidal* > > > > *OmniAccess* > > > > > > > > > > _______________________________________________ > > discuss mailing list > > disc...@openvswitch.org > > https://mail.openvswitch.org/mailman/listinfo/ovs-discuss > > > > _______________________________________________ > discuss mailing list > disc...@openvswitch.org > https://mail.openvswitch.org/mailman/listinfo/ovs-discuss _______________________________________________ discuss mailing list disc...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
