Hello Valentin, Thanks for the tip, we will review it and include in the documentation.
Thanks! Jaime On Wed, Jul 25, 2012 at 1:36 PM, Valentin Bud <[email protected]>wrote: > 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 > > -- Jaime Melis Project Engineer OpenNebula - The Open Source Toolkit for Cloud Computing www.OpenNebula.org | [email protected]
_______________________________________________ Users mailing list [email protected] http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
