On Thu, Nov 26, 2015 at 11:26 AM, Aaron Conole <acon...@redhat.com> wrote:
> Ryan Yang <toryan...@gmail.com> writes: > > On Wed, Nov 25, 2015 at 10:53 PM, Aaron Conole <acon...@redhat.com> > wrote: > > > >> Ryan Yang <toryan...@gmail.com> writes: > >> > Hello All, > >> > > >> > I am trying to connect to vhost-user socket created on openvswitch > with > >> > DPDK but kept receiving following error: > >> > > >> > error: internal error: process exited while connecting to monitor: > >> > 2015-11-25T19:19:02.192794Z qemu-kvm: -chardev > >> > socket,id=charnet2,path=/usr/local/var/run/openvswitch/vhost-user-1: > >> Failed > >> > to connect to socket: Permission denied > >> > 2015-11-25T19:19:02.193226Z qemu-kvm: -chardev > >> > socket,id=charnet2,path=/usr/local/var/run/openvswitch/vhost-user-1: > >> > chardev: opening backend "socket" failed > >> > > >> > I already made sure that the user and group are both root since I am > >> using > >> > root privilege and also have vhost-user socket created: > >> > >> Just to make sure, you qemu is running as root, too? > >> > > > > Yes, I am running it as root. > > > >> > >> > srwxr-x---. 1 root root 0 Nov 25 09:02 capabilities.monitor.sock > >> > drwxr-xr-x. 3 root root 4096 Nov 25 10:05 channel > >> > drwxrwxrwx. 2 root root 4096 Nov 17 21:35 dump > >> > drwx--x--x. 2 root root 4096 Nov 3 21:59 nvram > >> > drwxr-xr-x. 2 root root 4096 Nov 17 21:35 save > >> > drwxr-xr-x. 2 root root 4096 Nov 17 21:35 snapshot > >> > [root@localhost qemu]# pwd > >> > /var/lib/libvirt/qemu > >> > [root@localhost qemu]# > >> > > >> > -rw-r--r--. 1 root root 6 Nov 25 07:07 ovs-vswitchd.pid > >> > -rw-r--r--. 1 root root 197120 Nov 25 07:18 vdisk.img > >> > srwxr-xr-x. 1 root root 0 Nov 26 02:11 vhost-user-1 > >> > [root@localhost openvswitch]# > >> > >> If I read this right, you have a vhost socket in /var/lib/libvirt/qemu, > >> but according to the following: > >> > > > > Sorry forgot to print the path, it's in /usr/local/var/run/openvswitch. > > > >> > >> > And following is the XML that I manually added for vhost-user > interface > >> > creation: > >> > > >> > <interface type='vhostuser'> > >> > <source type='unix' > >> > path='/usr/local/var/run/openvswitch/vhost-user-1' modd > >> > e='client'/> > >> > <mac address='52:54:00:02:d9:01'/> > >> > <model type='virtio'/> > >> > </interface> > >> > >> You've said that the vhost socket is in /usr/local/var/run/openvswitch? > >> Yes. > > I noticed your xml (I've reformatted it) says: > <source type='unix' > path='/usr/local/var/run/openvswitch/vhost-user-1' > modde='client'/> > > One property I see is modde, is that a typo from transferring to your > mail client? > > Here's a working example I have (for reference): > > <interface type='vhostuser'> > <mac address='52:54:00:e7:b6:8d'/> > <source type='unix' path='/var/run/openvswitch/vhost-user-1' > mode='client'/> > <model type='virtio'/> > <address type='pci' domain='0x0000' bus='0x00' slot='0x06' > function='0x0'/> > </interface> > > I don't think that the <address ../> tag is needed. > > The mode is okay because it is caused because of accessing terminal via console, and the address tag is also appended after saving the config. Another question is that, when I do 'virsh start', it actually executes qemu-kvm but not qemu-system-x86_64, does it matter? _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
