[Openstack-operators] Quantum+Openvswitch: could not open /dev/net/tun: Operation not permitted

Igor Laskovy igor.laskovy at gmail.com
Thu May 24 20:05:30 UTC 2012


Hello all from sunny Kiev))

I have built nova+quantum+openvswitch without nova-volume lab on two
nodes - one controller with everything on it except nova-compute and
second dedicated compute node with nova-compute:

During creating VM I have error which I still can't fix:
$ nova boot --image precise --flavor m1.tiny  my-precise-vm3
$ nova list
+--------------------------------------+----------------+--------+----------+
|                  ID                  |      Name      | Status | Networks |
+--------------------------------------+----------------+--------+----------+
| 5a72aa9f-5743-486a-9496-130d367bc665 | my-precise-vm3 | ERROR  |          |
+--------------------------------------+----------------+--------+----------+

# cat /var/log/libvirt/qemu/instance-00000012.log
2012-05-24 19:51:47.994+0000: starting up
LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/sbin:/sbin:/bin
QEMU_AUDIO_DRV=none /usr/bin/kvm -S -M pc-1.0 -enable-kvm -m 512 -smp
1,sockets=1,cores=1,threads=1 -name instance-00000012 -uuid
5a72aa9f-5743-486a-9496-130d367bc665 -nodefconfig -nodefaults -chardev
socket,id=charmonitor,path=/var/lib/libvirt/qemu/instance-00000012.monitor,server,nowait
-mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc
-no-shutdown -drive
file=/var/lib/nova/instances/instance-00000012/disk,if=none,id=drive-virtio-disk0,format=qcow2,cache=none
-device virtio-blk-pci,bus=pci.0,addr=0x5,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1
-netdev tap,ifname=tap24b9f3da-8b,script=,id=hostnet0 -device
rtl8139,netdev=hostnet0,id=net0,mac=fa:16:3e:49:f1:a9,bus=pci.0,addr=0x3
-netdev tap,ifname=tapcdd6bc93-86,script=,id=hostnet1 -device
rtl8139,netdev=hostnet1,id=net1,mac=fa:16:3e:68:94:b4,bus=pci.0,addr=0x4
-chardev file,id=charserial0,path=/var/lib/nova/instances/instance-00000012/console.log
-device isa-serial,chardev=charserial0,id=serial0 -chardev
pty,id=charserial1 -device isa-serial,chardev=charserial1,id=serial1
-usb -device usb-tablet,id=input0 -vnc 192.168.1.71:0 -k en-us -vga
cirrus -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6
Domain id=4 is tainted: shell-scripts
char device redirected to /dev/pts/2
kvm: -netdev tap,ifname=tap24b9f3da-8b,script=,id=hostnet0: could not
open /dev/net/tun: Operation not permitted
kvm: -netdev tap,ifname=tap24b9f3da-8b,script=,id=hostnet0: Device
'tap' could not be initialized
2012-05-24 19:51:48.175+0000: shutting down

/var/lib/nova/instances/instance-00000012# virsh create libvirt.xml
error: Failed to create domain from libvirt.xml
error: internal error Process exited while reading console log output:
char device redirected to /dev/pts/2
kvm: -netdev tap,ifname=tap24b9f3da-8b,script=,id=hostnet0: could not
open /dev/net/tun: Operation not permitted
kvm: -netdev tap,ifname=tap24b9f3da-8b,script=,id=hostnet0: Device
'tap' could not be initialized

Waiting any advises!

-- 
Igor Laskovy
Kiev, Ukraine



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