Re: [one-users] open /dev/kvm: Permission denied on Debian Squeeze
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 valentin@gmail.comwrote: 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 javier.alva...@bsc.eswrote: 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 listUsers@lists.opennebula.orghttp://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
[one-users] open /dev/kvm: Permission denied on Debian Squeeze
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 list Users@lists.opennebula.org http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
Re: [one-users] open /dev/kvm: Permission denied on Debian Squeeze
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 http://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 list Users@lists.opennebula.org 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___ Users mailing list Users@lists.opennebula.org http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
Re: [one-users] open /dev/kvm: Permission denied on Debian Squeeze
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 javier.alva...@bsc.eswrote: 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 listUsers@lists.opennebula.orghttp://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
