On Sun, Mar 17, 2013 at 12:08:05PM +0100, Guido Günther wrote: > Hi Salvatore, > On Sun, Mar 17, 2013 at 08:56:51AM +0100, Salvatore Bonaccorso wrote: > > Control: severity -1 grave > > > > Hi > > > > On Sun, Mar 17, 2013 at 12:16:19AM +0100, TomaszSz wrote: > > > Package: libvirt0 > > > Version: 0.8.3-5+squeeze4 > > > Severity: normal > > [...] > > > My virtual machines doesn't start also. > > > In my /var/log/libvirt/qemu/mymachine.log i get this information: > > > "LC_ALL=C > > > PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin HOME=/ > > > QEMU_AUDIO_DRV=none /usr/bin/kvm -S -M pc-0.12 -enable-kvm -m 16384 -smp > > > 4,sockets=4,cores=1,threads=1 -name win2008-STD-orion -uuid > > > 66a2dc8c-dd85-38da-ab66-405784525dce -nodefaults -chardev > > > socket,id=monitor,path=/var/lib/libvirt/qemu/win2008-STD-orion.monitor,server,nowait > > > -mon chardev=monitor,mode=readline -rtc base=localtime -boot c -drive > > > if=none,media=cdrom,id=drive-ide0-1-0,readonly=on,format=raw -device > > > ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 -drive > > > file=/home/images/win2k8_std_orion.qcow2,if=none,id=drive-ide0-0-0,boot=on,format=raw > > > -device ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0 > > > -device e1000,vlan=0,id=net0,mac=52:54:00:f5:78:57,bus=pci.0,addr=0x3 > > > -net tap,fd=63,vlan=0,name=hostnet0 -chardev pty,id=serial0 -device > > > isa-serial,chardev=serial0 -usb -device usb-tablet,id=input0 -vnc > > > 127.0.0.1:1 -k pl -vga std -device > > > virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x4 char > > > device redirected to /dev/pts/3 open /dev/kvm: Permission denied Could > > > not initialize KVM, will disable KVM support " > > > > I can confirm this, upgrading from 0.8.3-5+squeeze2 to > > 0.8.3-5+squeeze4 is causing this regression: > > > > open /dev/kvm: Permission denied > > Could not initialize KVM, will disable KVM support > > > > This seems related to the changes done for #701649, but I had not time > > to check further. > > Thanks for double checking. I do wonder why I didn't see this during my > test though. A temporary work around is to set "group = kvm" in > /etc/libvirt/qemu.conf .
It turned out as expected. The necessary initgroups logic was added post post 0.8.6 while squeeze has 0.8.3. (I also spotted the reason why my testing on squeeze incorrectly succeeded to open /dev/kvm which was just related to the local setup). I'll have a look into backporting the relevant parts. > This of course results in files being owned by the kvm group (which is > what we wanted to avoid in the first place). The alternative workaround is to change the group of /dev/kvm to allow access for the libvirt-qemu group. Cheers, -- Guido > > Cheers, > -- Guido > > > > > Cc'ing also the security team. > > > > Regards, > > Salvatore > > > > _______________________________________________ > > Pkg-libvirt-maintainers mailing list > > pkg-libvirt-maintain...@lists.alioth.debian.org > > http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/pkg-libvirt-maintainers > > -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
