Re: [libvirt] [with libvirt/qemu git] invoking 'qemu-system-x86_64' fails w/: -netdev bridge, br=virbr0, id=hostnet0 Device 'bridge' could not be initialized"

On 10/06/2012 06:08 PM, Kashyap Chamarthy wrote: > Hi, > > I'm on latest master, w/ Eric's block-commit patches applied > =========================================================== > [kashyap@moon libvirt-k]$ git status > # On branch master > # Your branch is ahead of 'origin/master' by 2 commits. > # > nothing to commit (working directory clean) > [kashyap@moon libvirt-k]$ > =========================================================== > [kashyap@moon libvirt-k]$ # ./autogen.sh ; make -j5 ; make check > =========================================================== > > > Now, then define an xml [see complete xml at the bottom] > #-----------------------------------------------------------# > [kashyap@moon libvirt-k]$ ./run ./tools/virsh define /var/tmp/f17-base.xml > Domain f17-base defined from /var/tmp/f17-base.xml > #-----------------------------------------------------------# > > Try to start the guest now: > #-----------------------------------------------------------# > [kashyap@moon libvirt-k]$ ./run ./tools/virsh start f17-base > error: Failed to start domain f17-base > error: internal error Process exited while reading console log output: char device > redirected to /dev/pts/6 > failed to launch bridge helper > qemu-system-x86_64: -netdev bridge,br=virbr0,id=hostnet0: Device 'bridge' could not be > initialized > > [kashyap@moon libvirt-k]$ > #-----------------------------------------------------------# > > The emulator is pointed to latest qemu-system-x86_64 compiled from latest qemu-git > #-----------------------------------------------------------# > [kashyap@moon libvirt-k]$ egrep -i 'emulator|bridge' /var/tmp/f17-base.xml > <emulator>/home/kashyap/projects/qemu/x86_64-softmmu/qemu-system-x86_64</emulator> > <interface type='bridge'> > <source bridge='virbr0'/> > [kashyap@moon libvirt-k]$ > #-----------------------------------------------------------# > [kashyap@moon libvirt-k]$ brctl show > bridge name bridge id STP enabled interfaces > br0 8000.00215e6fb9f4 no eth0 > virbr0 8000.525400573710 yes virbr0-nic > [kashyap@moon libvirt-k]$ > #-----------------------------------------------------------# > [kashyap@moon libvirt-k]$ ./run ./tools/virsh version > Compiled against library: libvirt 0.10.2 > Using library: libvirt 0.10.2 > Using API: QEMU 0.10.2 > Cannot extract running QEMU hypervisor version > > [kashyap@moon libvirt-k]$ > #-----------------------------------------------------------# > [kashyap@moon libvirt-k]$ ps -ef | grep libvirtd > kashyap 2277 1 2 17:07 ? 00:00:00 > /home/kashyap/projects/libvirt-k/daemon/.libs/lt-libvirtd --timeout=30 > kashyap 2392 11303 0 17:07 pts/15 00:00:00 grep --color=auto libvirtd > [kashyap@moon libvirt-k]$ > #-----------------------------------------------------------# > > > That's what I see in the local log file: > #-----------------------------------------------------------# > [kashyap@moon libvirt-k]$ cat ~/.cache/libvirt/qemu/log/f17-base.log > 2012-10-06 11:37:41.155+0000: starting up > LC_ALL=C LD_LIBRARY_PATH=/home/kashyap/projects/libvirt-k/src/.libs > PATH=/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/home/kashyap/.local/bin:/home/kashyap/bin:/home/kashyap/.local/bin:/home/kashyap/bin > HOME=/home/kashyap USER=kashyap LOGNAME=kashyap > /home/kashyap/projects/qemu/x86_64-softmmu/qemu-system-x86_64 -name f17-base -S -M pc-1.2 > -enable-kvm -m 2048 -smp 2,sockets=2,cores=1,threads=1 -uuid > 8d54ced1-2662-bcae-0804-d4a3e65e9ff6 -nographic -no-user-config -nodefaults -chardev > socket,id=charmonitor,path=/home/kashyap/.config/libvirt/qemu/lib/f17-base.monitor,server,nowait > -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc -no-shutdown -device > piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -drive > file=/var/lib/libvirt/images/f17-base.qcow2,if=none,id=drive-virtio-disk0,format=qcow2,cache=none > -device > virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 > -netdev bridge,br=virbr0,id=hostnet0 -device > virtio-net-pci,netdev=hostnet0,id=net0,mac=52:51:00:a9:f1:7f,bus=pci.0,addr=0x3 -chardev > pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0 -device > usb-tablet,id=input0 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x5 > char device redirected to /dev/pts/6 > failed to launch bridge helper > qemu-system-x86_64: -netdev bridge,br=virbr0,id=hostnet0: Device 'bridge' could not be > initialized > 2012-10-06 11:37:41.281+0000: shutting down > [kashyap@moon libvirt-k]$ > #-----------------------------------------------------------# > > > And that's the xml file: > #-----------------------------------------------------------# > > <domain type='kvm'> > <name>f17-base</name> > <uuid>8d54ced1-2662-bcae-0804-d4a3e65e9ff6</uuid> > <memory unit='KiB'>2097152</memory> > <currentMemory unit='KiB'>2097152</currentMemory> > <vcpu placement='static'>2</vcpu> > <os> > <type arch='x86_64' machine='pc-1.2'>hvm</type> > <boot dev='hd'/> > </os> > <features> > <acpi/> > <apic/> > <pae/> > </features> > <clock offset='utc'/> > <on_poweroff>destroy</on_poweroff> > <on_reboot>restart</on_reboot> > <on_crash>restart</on_crash> > <devices> > <emulator>/home/kashyap/projects/qemu/x86_64-softmmu/qemu-system-x86_64</emulator> > <disk type='file' device='disk'> > <driver name='qemu' type='qcow2' cache='none'/> > <source file='/var/lib/libvirt/images/f17-base.qcow2'/> > <target dev='vda' bus='virtio'/> > <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/> > </disk> > <controller type='usb' index='0'> > <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/> > </controller> > <interface type='bridge'> > <mac address='52:51:00:a9:f1:7f'/> > <source bridge='br0'/> (that's a typo there -- it's 'virbr0' (but I tried with both 'virbr0' and an actual bridge on the system 'br0', to no avail) > <model type='virtio'/> > <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/> > </interface> > <serial type='pty'> > <target port='0'/> > </serial> > <console type='pty'> > <target type='serial' port='0'/> > </console> > <input type='tablet' bus='usb'/> > <memballoon model='virtio'> > <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/> > </memballoon> > </devices> > </domain> > #-----------------------------------------------------------# > > > Other notes: Rich Jones suggested me to do a build dep for qemu & re-try > [kashyap@moon qemu]$ yum-builddep qemu > [kashyap@moon qemu]$ ./configure --target-list=x86_64-softmmu --disable-werror ; make -j5 > and re-configure qemu. > > And still no dice, I see the same 'bridge' could not be initialized > > Any hints here?

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