On Sun, Sep 12, 2010 at 2:05 PM, Michael S. Tsirkin <mst@xxxxxxxxxx> wrote: > On Fri, Sep 10, 2010 at 03:37:36PM +0200, Dhaval Giani wrote: >> Hi, >> >> I have been trying to get vhost+macvtap to work for me. I run it as >> >> /root/qemu-kvm-vhost-net/bin/qemu-system-x86_64 -hda $IMAGE -serial >> stdio -monitor telnet::4444,server,nowait -vnc :4: -m 3G -net >> nic,model=virtio,macaddr=$MACADDR,netdev=macvtap0 -netdev >> tap,id=macvtap0,vhost=on,fd=3 3<> /dev/tap5 >> >> in 2.6.35, which worked just fine. On the other hand, with 2.6.36, i >> don't have working networking. I am using the same image and same >> macaddress. The qemu is the version from >> git://git.kernel.org/pub/scm/linux/kernel/git/mst/qemu-kvm.git vhost . > > BTW, by now, all these patches are merged so upstream qemu-kvm should work > just fine for you as well. > >> Any suggestions will be welcome! >> >> Thanks, >> Dhaval > > You are running this as non-root user, correct? nope as root. > This could be the permission issue that got fixed > by 87d6a412bd1ed82c14cabd4b408003b23bbd2880. > Could you please check the latest master from Linus, > and let me and the list know? Thanks! > this is with git of friday evening CEST. > Another thing to try if this does *not* help: > > enable CONFIG_DYNAMIC_DEBUG in kernel, > rebuild the kernel, > mount debugfs: > > mount -t debugfs none /sys/kernel/debug > > and then enable debug for vhost_net as described in > Documentation/dynamic-debug-howto.txt: > I will give this a run on monday morning when i am at the lab again. > echo 'module vhost_net +p' > /sys/kernel/debug/dynamic_debug/control > > Then start qemu, and after running a test, run dmesg and see if there > are any messages from vhost_net. If yes please send them to > me and to the list. > > Thanks! > thanks! Dhaval -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
