Hi all. Today i can't mkfs.ext3 inside virual machine while install it (ubuntu 13.04). Why this happening? On other node i see that virSecurityDACSetOwnership sets perms on /dev/vg/xxx and /dev/dm-xxx, but in this host this not happening. Libvirt logs: 2013-10-24 07:50:15.639+0000: 3700: info : virNetDevProbeVnetHdr:94 : Enabling IFF_VNET_HDR 2013-10-24 07:50:15.782+0000: 3700: info : virSecurityDACSetOwnership:271 : Setting DAC user and group on '/dev/vg/402' to '108:102' 2013-10-24 07:50:15.783+0000: 3700: info : virSecurityDACSetOwnership:271 : Setting DAC user and group on '/srv/ubuntu/13.04/kernel' to '108:102' 2013-10-24 07:50:15.783+0000: 3700: info : virSecurityDACSetOwnership:271 : Setting DAC user and group on '/srv/ubuntu/13.04/initrd' to '108:102' 2013-10-24 07:50:16.386+0000: 3700: warning : virCgroupMoveTask:887 : no vm cgroup in controller 3 2013-10-24 07:50:16.386+0000: 3700: warning : virCgroupMoveTask:887 : no vm cgroup in controller 4 2013-10-24 07:50:16.386+0000: 3700: warning : virCgroupMoveTask:887 : no vm cgroup in controller 6 domainxml disk: <disk type='block' device='disk'> <driver name='qemu' type='raw' cache='none' io='native' ioeventfd='on' event_idx='off'/> <source dev='/dev/vg/402'/> <target dev='vda' bus='virtio'/> <alias name='virtio-disk0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/> </disk> pool xml <pool type='logical'> <name>default</name> <uuid>2a135e38-dd92-1b4d-bd82-3aafd369d207</uuid> <capacity unit='bytes'>3000454086656</capacity> <allocation unit='bytes'>386547056640</allocation> <available unit='bytes'>2613907030016</available> <source> <device path='/dev/bcache0'/> <name>vg</name> <format type='lvm2'/> </source> <target> <path>/dev/vg</path> <permissions> <mode>0711</mode> <owner>-1</owner> <group>-1</group> </permissions> </target> </pool> qemu.log: 2013-10-24 07:50:15.777+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/qemu-system-x86_64 -name 402 -S -M pc-1.0 -enable-kvm -m 1024 -smp 1,sockets=1,cores=1,threads=1 -uuid 0ee50ad7-8c2b-57e9-5bee-0000571d77c1 -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/402.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc -no-reboot -no-shutdown -kernel /srv/ubuntu/13.04/kernel -initrd /srv/ubuntu/13.04/initrd -append ks=file:///ks.cfg -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -device virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x6 -drive file=/dev/vg/402,if=none,id=drive-virtio-disk0,format=raw,cache=none,aio=native -device virtio-blk-pci,ioeventfd=on,event_idx=off,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 -drive if=none,id=drive-ide0-1-0,readonly=on,format=raw -device ide-cd,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 -netdev tap,fd=22,id=hostnet0,vhost=on,vhostfd=23 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:00:01:55,bus=pci.0,addr=0x3 -chardev pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0 -chardev spicevmc,id=charchannel0,name=vdagent -device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=com.redhat.spice.0 -chardev socket,id=charchannel1,path=/var/lib/libvirt/qemu/402.agent,server,nowait -device virtserialport,bus=virtio-serial0.0,nr=2,chardev=charchannel1,id=channel1,name=org.mighost.agent.0 -vnc 0.0.0.0:0,password -vga std -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x5 char device redirected to /dev/pts/0 (label charserial0) -- Vasiliy Tolstov, e-mail: v.tolstov(a)selfip.ru jabber: vase(a)selfip.ru