January 2013 - Users - libvirt List Archives

[libvirt-users] Attaching an "Internal Address"
by Varun Bhatnagar 10 Jan '13

10 Jan '13

Hi, I am trying to attach an internal address to my domain. So for that I am defining the following syntax in my xml file: but it is giving the following error: Tried giving interface type as network but that is adding Host-only type interface. Can anyone please suggest what can be the possible solution. I think it is some problem with the source network. Do I have to define any internal network before in any interface? If yes then how? Any help will be appreciated. Thanks in advance. Regards, Varun =====-----=====-----===== Notice: The information contained in this e-mail message and/or attachments to it may contain confidential or privileged information. If you are not the intended recipient, any dissemination, use, review, distribution, printing or copying of the information contained in this e-mail message and/or attachments to it are strictly prohibited. If you have received this communication in error, please notify us by reply e-mail or telephone and immediately and permanently delete the message and any attachments. Thank you

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[libvirt-users] Unable to connect to vmchannel on host when the VM is started via libvirt
by Kaiwei Fan 10 Jan '13

10 Jan '13

Hi experts, When I start a VM using "virsh create vm.xml", I'm not able to connect to the vmchannel from host. The process libvirtd is running as root (modified qemu.conf to set user/group to root) already. The connect just hangs there even after the guest VM is up and running. However, if I start the VM using kvm directly (with same arguments as libvirtd in `ps auxwww`), the connect to vmchannel goes though after the guest VM is up and running. The problem is observed on ubuntu 12.10 (libvirt 0.9.13), but not ubuntu 12.04 (libvirt 0.9.8). Anyone knows why is this and how to fix it? Any suggestion is appreciated. ubuntu 12.10: Linux linux-01 3.5.0-17-generic #28-Ubuntu SMP Tue Oct 9 19:31:23 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux ubuntu 12.04: Linux linux-06 3.2.0-30-generic #48-Ubuntu SMP Fri Aug 24 16:52:48 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux Content of vm.xml: <domain type="kvm"> <uuid>c548c477-af6f-4aee-9e7d-987d6620aa27</uuid> <name>instance-00</name> <memory>262144</memory> <vcpu>1</vcpu> <os> <type>hvm</type> <boot dev="hd"/> </os> <features> <acpi/> </features> <clock offset="utc"> <timer name="pit" tickpolicy="delay"/> <timer name="rtc" tickpolicy="catchup"/> </clock> <devices> <disk type="file" device="disk"> <driver name="qemu" type="qcow2" cache="none"/> <source file="/home/user/project/kvm/instance-00/disk"/> <target bus="virtio" dev="vda"/> </disk> <serial type="file"> <source path="/home/user/project/kvm/instance-00/console.log"/> </serial> <serial type="pty"/> <channel type="unix"> <source path="/home/user/project/kvm/instance-00/vmchannel.sock" mode="bind"/> <target type="virtio" name="org.qemu.guest_agent.0"/> </channel> <graphics type="vnc" port="5900" autoport="no" keymap="en-us" listen="127.0.0.1"/> </devices> </domain>

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[libvirt-users] how to use libvirt
by tianwei zhang 09 Jan '13

09 Jan '13

Hi everyone: I am just a new user to libvirt. I installed libvirt as: ./configure make sudo make After that I run the program in the development guide. But it seems that the program is stuck in the function of virConnectOpenReadOnly. When I tried the command: virsh list --all, it is also stuck. So could anyone tell me what's wrong with this? Thank you so much Tianwei Zhang

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[libvirt-users] openvswitch
by dohri＠mailoo.org 08 Jan '13

08 Jan '13

Hello I'm a newbie with libvirt and I would like to know if when I compile libvirt (0.10 on amd64 debian) I have to specify an option for the management of openvswitch or if it's integrated in the code? Thanks

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[libvirt-users] (no subject)
by d hee 06 Jan '13

06 Jan '13

http://compgraf.com.br/fkjbgs.php?cqgy=cqgy

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[libvirt-users] Regarding the support of libvirt for shared memory
by achala joshi 04 Jan '13

04 Jan '13

Hello All, I want to use shared memory , but in virsh I am unable to provide the necessary options for use of shared memory. I want to have some scripts so that they can be included in the xml file so that each time the need is of shared memory , it can be directly used from there only. Thanks and Regards

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[libvirt-users] Regarding Ivshmem support
by Mrugani Kurtadikar 04 Jan '13

04 Jan '13

Hi, I am using virsh 0.9.8 My qemu is 1.0 version. I would like to use Ivshmem device from virsh command line. It is possible to use ivshmem device from qemu command line.But its not working if I am giving -device ivshmem device in xml config file. Does virsh support ivshmem device.?? -- Mrugani Kurtadikar Btech IT College of Engineering, Pune.

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[libvirt-users] no connectivity
by Jay Vyas 04 Jan '13

04 Jan '13

Hi guys :) I have a KVM libvirt fedora16 guest running inside of Rhel. It exhibits no connectivity. I've clicked the "networking->eth0" icon at the upper right corner of the screen, which appears to work normally. However, i have no external connectivity (i cant ping google/yahoo etc). I can ping my host machine, however. -- Jay Vyas http://jayunit100.blogspot.com

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[libvirt-users] virt-viewer via ssh to a remote host
by Marc Haber 03 Jan '13

03 Jan '13

Hi, I have a virtualization host running KVM and libvirt 0.9.12 (on Debian unstable). I would like to connect with virt-viewer 0.5.4 from a different host to a domain that has Display Spice configured as graphics interface. I can connect to the KVM host using virsh --connect=qemu+ssh://mh@fan.local/system and start m KVM domain from there, so I guess that authentication is just fine. However, virt-viewer --connect=qemu+ssh://mh@fan.local/system <domain> does not work. The easy issue was that virt viewer issues a "nc fan.local 5900" on the remote host, while the Display Spice agent listens on 127.0.0.1 only. I could fix that by checking the "listen on all IP addresses" box in the Display Spice configuration in virt-manager. After that, I could see the TCP connection to the Spice agent on the remote host succeed when tcpdumping on the KVM host's lo interface. When I invoke virt-viewer when the domain is not running, it says "Waiting for the guest domain to start", and changes to "Connecting to graphic server" when I start the domain. When I invoke virt-viewer when the domain is already running, it immediately says "Connecting to graphic server", but the domain's console does never show up. When I invoke virt-viewer --connect=qemu:///system <domain> directly on the KVM host, the console shows up alright. On the KVM host, virt-viewer --connect=qemu+ssh:///system <domain> gives the same behavior as the remote invocation, while virt-viewer --direct --connect=qemu+ssh:///system <domain> does. So I guess there is something wrong with the tunneling of the Spice session through ssh. Am I doing something wrong? I would appreciate any hints. Greetings Marc -- ----------------------------------------------------------------------------- Marc Haber | "I don't trust Computers. They | Mailadresse im Header Mannheim, Germany | lose things." Winona Ryder | Fon: *49 621 31958061 Nordisch by Nature | How to make an American Quilt | Fax: *49 621 31958062

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[libvirt-users] can someone explain why the domain, function bus, slot function is used in this xml
by lei yang 03 Jan '13

03 Jan '13

I don't understand the domain bus slot fuction in below xml,becase, this is used when deal with management of host devices that can be handed to guests via passthrough as <hostdev> elements in the domain XML.( from http://libvirt.org/formatnode.html) I don't see it use passthrough feature, why it has "domain" bus" slot" and function here <disk type='file' device='disk'> <driver name='qemu' type='raw'/> <source file='/kvm/images/disk/vmname_boot.img'/> <target dev='vda' bus='virtio'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/> </disk> <interface type='bridge'> <mac address='52:54:00:07:ab:b0'/> <source bridge='br0'/> <model type='virtio'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/> </interface> which originally comes from this blog: http://blog.allanglesit.com/2011/03/kvm-guests-manipulating-libvirt-xml-for… Any point?

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