Re: [libvirt-users] can't up the eth in the vm and access to network

Hi，the libvirt version is 0.8.3, I just used "apt-get install libvirt-bin" to install it under debian6.0.1a. Is it necessary to install 0.8.4 or higher version ? Best regards, qinguan 在 2011年5月3日 下午4:28，Osier Yang <jyang(a)redhat.xn--com&gt;:-0s6m5392c > 于 2011年05月03日 15:38, guan qin 写道: > > > Thanks a lot for your reply sincerely! > > Actually ,if I do as what > > http://www.linux-kvm.org/page/How_to_assign_devices_with_VT-d_in_KVMsaid,: > > " > > # echo "8086 10b9" > /sys/bus/pci/drivers/pci-stub/new_id > > # echo 0000:01:00.0 > /sys/bus/pci/devices/0000:01:00.0/driver/unbind > > # echo 0000:01:00.0 > /sys/bus/pci/drivers/pci-stub/bind > > " > > Then I can assign a NIC to the VM ,and the VM also can use the NIC to > > access the network. > > But , according the libvirt guide that > > http://libvirt.org/formatdomain.html#elementsUSB shows: > > " > > When |managed| is "yes" for a PCI device, it is detached from the host > > before being passed on to the guest. > > " > > So should I still "unbind " the device from the host OS driver first ? > > If that ,What's the "detached" meaning ? thanks. > > best regards, > > qinguan > > libvirt trys to detach the PCI device from host as preparation when > starting up the domain, and it also binds the device to pci_stub > driver, so it's strange that you need to do it manually? what's > your libvirt version? > > > 在 2011年5月3日 上午8:47，David White <dwhite(a)speakeasy.net > > <mailto:dwhite@speakeasy.net>>写道： > > > > > > did you 'unbind' the device from the host OS driver? > > > > > > On 05/01/2011 01:38 AM, guan qin wrote: > >> Hi, > >> > >> I encounter a problem that the eth can't be up in the VM by using > >> VT-d. > >> I boot the VM using "virsh create vt_d.xml". > >> The VM could recongize the NIC which was assigned .then I do in VM > >> as follows: > >> #cat /sys/class/net/eth0/operstate > >> down > >> #ifconfig eth0 up > >> #cat /sys/class/net/eth0/operstate > >> down > >> #ficonfig eth 10.100.0.5 > >> #cat /sys/class/net/eth0/operstate > >> down > >> more system information is attached.(uname 、ifconfig 、lspci、 > >> cmdline...) > >> > >> I can't figure out the reason why the eth is still down? can > >> anyone help me ? > >> > >> best regards, > >> qinguan > >> > >> > >> > >> vt_d.xml: > >> <domain type='kvm'> > >> <name>test</name> > >> <description>just test using sriov!</description> > >> <os> > >> <type>hvm</type> > >> <boot dev='hd'/> > >> </os> > >> <memory>524288</memory> > >> <currentMemory>524288</currentMemory> > >> <on_poweroff>destroy</on_poweroff> > >> <on_reboot>restart</on_reboot> > >> <on_crash>restart</on_crash> > >> > >> <features><pae/><acpi/><apic/></features> > >> <clock offset='utc'/> > >> <devices> > >> <input type='mouse' bus='usb'/> > >> <disk type='file' device='disk'> > >> <source file='/home/qinguan/exp/ubuntu_1.img'/> > >> <target dev='hda' bus='virtio'/> > >> </disk> > >> <emulator>/usr/bin/kvm</emulator> > >> <graphics type='vnc' port='-1'/> > >> <hostdev mode='subsystem' type='pci' managed='yes'> > >> <source> > >> <address bus='0x0' slot='0x19' function='0x0'/> > >> </source> > >> </hostdev> > >> </devices> > >> </domain> > >> > >> > >> _______________________________________________ > >> libvirt-users mailing list > >> libvirt-users(a)redhat.com <mailto:libvirt-users@redhat.com> > >> https://www.redhat.com/mailman/listinfo/libvirt-users > > > > > > > > > > _______________________________________________ > > libvirt-users mailing list > > libvirt-users(a)redhat.com > > https://www.redhat.com/mailman/listinfo/libvirt-users > >