Hello Javier, Thank you for your answer. Indeed, changing /dev/kvm group to oneadmin solved the problem. I can now happily launch VMs on the Cloud.
For future references, to make the change persist after reboot I have done: # cat > /etc/udev/rules.d/60-qemu-kvm.rules KERNEL=="kvm", GROUP="oneadmin", MODE="0660" I have also read the man page for udev to get this right. Learned something new today :). Maybe the OpenNebula developers could add this to the documentation in the KVM Configuration [1] section as a note for Debian Squeeze. NOTE: On Debian Squeeze when creating a VM as a regular user, the only group that is taken into account is the one that appears as 'gid' (oneadmin in this case). To solve the problem change the owner of /dev/kvm 'to root.oneadmin. To make the changes persist after reboot: # cat /etc/udev/rules.d/60-qemu-kvm.rules KERNEL=="kvm", GROUP="oneadmin", MODE="0660" [1] - http://opennebula.org/documentation:rel3.6:kvmg Cheers and Goodwill, Valentin Bud On Wed, Jul 25, 2012 at 1:15 PM, Javier Alvarez <[email protected]>wrote: > Hello Valentin, > > Apparently, when creating a VM as a regular user, the only group that is > taken into account is the one that appears as 'gid' (oneadmin in this > case). So what I did to solve the problem was to change the owner of > /dev/kvm to root.oneadmin. > > Best, > > Javi > > > On 25/07/12 11:19, Valentin Bud wrote: > > Hello, > > I have recently setup OpenNebula 3.6 on 2 Debian Squeeze boxes. Both > machines function as hosts, one of them as frontend. > I have followed the OpenNebula documentation [1] to setup the KVM driver > on the hosts. > > ### Host A > > # kvm --version > QEMU PC emulator version 0.12.5 (qemu-kvm-0.12.5), Copyright (c) 2003-2008 > Fabrice Bellard > > # virsh --version > 0.8.3 > > # grep -vE '^($|#)' /etc/libvirt/qemu.conf > user = "oneadmin" > group = "oneadmin" > dynamic_ownership = 0 > > # id oneadmin > uid=1001(oneadmin) gid=1001(oneadmin) > groups=1001(oneadmin),106(kvm),108(libvirt) > > # ls -al /dev/kvm > crw-rw---- 1 root kvm 10, 232 Jul 25 11:23 /dev/kvm > > ### Host B > > # kvm --version > QEMU PC emulator version 0.12.5 (qemu-kvm-0.12.5), Copyright (c) 2003-2008 > Fabrice Bellard > > # virsh --version > 0.8.3 > > # grep -vE '^($|#)' /etc/libvirt/qemu.conf > user = "oneadmin" > group = "oneadmin" > dynamic_ownership = 0 > > # id oneadmin > uid=1001(oneadmin) gid=1001(oneadmin) > groups=1001(oneadmin),106(kvm),108(libvirt) > > # ls -al /dev/kvm > crw-rw---- 1 root kvm 10, 232 Jul 25 11:23 /dev/kvm > > Doesn't matter on which host the VM gets deployed, the error is the same. > The error follows: > > LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin > HOME=/root USER=root LOGNAME=root QEMU_AUDIO_DRV=none /usr/bin/kvm -S -M > pc-0.12 -enable-kvm -m 1024 -smp 1,sockets=1,cores=1,threads=1 -name one-4 > -uuid a7db4cd7-e258-503a-cc57-59d2dc1135ea -nodefaults -chardev > socket,id=monitor,path=/var/lib/libvirt/qemu/one-4.monitor,server,nowait > -mon chardev=monitor,mode=readline -rtc base=utc -boot c -device > lsi,id=scsi0,bus=pci.0,addr=0x5 -drive > file=/var/lib/one/datastores/0/4/disk.0,if=none,id=drive-scsi0-0-0,boot=on,format=qcow2 > -device scsi-disk,bus=scsi0.0,scsi-id=0,drive=drive-scsi0-0-0,id=scsi0-0-0 > -device rtl8139,vlan=0,id=net0,mac=02:00:0a:41:02:65,bus=pci.0,addr=0x3 > -net tap,fd=36,vlan=0,name=hostnet0 -device > rtl8139,vlan=1,id=net1,mac=02:00:0a:41:03:65,bus=pci.0,addr=0x4 -net > tap,fd=37,vlan=1,name=hostnet1 -usb -vnc 0.0.0.0:4 -vga cirrus -device > virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6 > open /dev/kvm: Permission denied > Could not initialize KVM, will disable KVM support > > I don't have AppArmor installed or any other tool of this kind. It's just > a stock Debian Squeeze install. OpenNebula was compiled on another machine > and installed on Host A which is the frontend. > > Does anyone of you have any idea about this error? I have Googled around > but could not find any answer. Everything seems correct as per OpenNebula > KVM documentation [1]. > > Thank you for your time invested in reading this email. Cheers and > Goodwill, > Valentin Bud > > [1]: http://opennebula.org/documentation:rel3.6:kvmg > -- > w: http://ing.enia.re/ <http://databus.ro/blog> > in: http://www.linkedin.com/pub/valentin-bud/9/881/830 > t: https://twitter.com/valentinbud > > > > _______________________________________________ > Users mailing > [email protected]http://lists.opennebula.org/listinfo.cgi/users-opennebula.org > > > > -- > Javier Álvarez Cid-Fuentes > Grid Computing and Clusters Group > Barcelona Supercomputing Center (BSC-CNS) > Tel. (+34) 93 413 72 46 > > > > WARNING / LEGAL TEXT: This message is intended only for the use of the > individual or entity to which it is addressed and may contain information > which is privileged, confidential, proprietary, or exempt from disclosure > under applicable law. If you are not the intended recipient or the person > responsible for delivering the message to the intended recipient, you are > strictly prohibited from disclosing, distributing, copying, or in any way > using this message. If you have received this communication in error, > please notify the sender and destroy and delete any copies you may have > received. > > http://www.bsc.es/disclaimer <http://www.bsc.es/disclaimer.htm> > -- w: http://ing.enia.re/ in: http://www.linkedin.com/pub/valentin-bud/9/881/830 t: https://twitter.com/valentinbud
_______________________________________________ Users mailing list [email protected] http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
