January 2013 - Users - libvirt List Archives

[libvirt-users] Libvirt daemon is not getting started
by Varun Bhatnagar 17 Jan '13

17 Jan '13

Hi, Earlier I was having libvirt-0.7.5 but now I have installed 0.9.8 version of libvirt now. I am trying to start libvirt daemon using the command below but daemon it is not getting started and the PID file is not getting created. Tried /usr/loval/sbin/libvirtd -d option too. In that case I am not getting any error but PID file is not getting created in this case too. /usr/local/sbin/libvirtd 2013-01-16 16:43:53.399+0000: 4070: info : libvirt version: 0.9.8 2013-01-16 16:43:53.399+0000: 4070: error : virCommandWait:2192 : internal error Child process (/usr/sbin/iptables --table mangle --delete POSTROUTING --out-interface virbr0 --protocol udp --destination-port 68 --jump CHECKSUM --checksum-fill) status unexpected: exit status 2 2013-01-16 16:43:53.406+0000: 4070: error : virCommandWait:2192 : internal error Child process (/usr/sbin/iptables --table mangle --insert POSTROUTING --out-interface virbr0 --protocol udp --destination-port 68 --jump CHECKSUM --checksum-fill) status unexpected: exit status 2 2013-01-16 16:43:53.406+0000: 4070: warning : networkAddGeneralIptablesRules:1259 : Could not add rule to fixup DHCP response checksums on network 'default'. 2013-01-16 16:43:53.406+0000: 4070: warning : networkAddGeneralIptablesRules:1260 : May need to update iptables package & kernel to support CHECKSUM rule. 2013-01-16 16:43:54.704+0000: 4070: error : umlStartup:471 : cannot initialize inotify 2013-01-16 16:43:54.704+0000: 4070: error : virStateInitialize:854 : Initialization of UML state driver failed 2013-01-16 16:43:54.704+0000: 4070: error : daemonRunStateInit:1157 : Driver state initialization failed and I am also trying to connect to VMPlayer with the following URL but it is giving the following error message: virsh # connect vmplayer:///session error: Failed to connect to the hypervisor error: Failed to connect socket to '/usr/local/var/run/libvirt/libvirt-sock': No such file or directory Is this because of the daemon, as it is not getting started or because of some other reason? Can anybody suggest any solution for this. I am stuck from past few days and not able to find solution. 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] LibVirt CPU problem
by Michael Beham 16 Jan '13

16 Jan '13

Hi, I´m testing to start a KVM-VM with different CPU settings and I get an weird error when I use the parameter: <cpu mode='host-model'> !! I have a AMD Opteron 4280 CPU, but in the VM, proc/cpuinfo shows me, that I´m using Intel core2duo cpu model T7700 and in the flag-line of proc/cpu the system is listing the svm-flag of AMD?!?! If I use <cpu mode='host-passthrough'> I get the right CPU-model listed in the VM! Anyone an idea why I get the wrong information with host-model? BTW some further information about used versions: LibVirt version is 0.9.12 qemu-kvm 1.0 Kernel 3.3.2 Cheers, Mike

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[libvirt-users] Libvirt node is not getting booted through network
by Varun Bhatnagar 16 Jan '13

16 Jan '13

Hi, I am trying to boot my node through network with the following configuration: But I am getting an error message saying: Even my network setting is not getting reflected in the Virtualbox. Can anyone suggest me what is wrong with this configuration. I think to boot a node from network we need to define a boot server but where shall I add that, I am confused.... 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] A issue about KVM block migration
by 刘基 16 Jan '13

16 Jan '13

Hello everyone, I have a issue about the KVM block migration. Please give me some help. 1) I use the "virsh create" command to start a KVM VM in source machine. 2) And then, I use "virsh migrate" cammand to start a block migration: # virsh migrate --live --copy-storage-all --verbose win7 qemu+ssh:// 186.100.8.136/system root(a)186.100.8.136's password: Migration : [ 93% ] I execute "virsh list" command in source machine, and the result is: #virsh list Id Name State ----------------------------------------------------------- 1 win7 running I can find the corresponding qemu-kvm process in the result of "ps -ef | grep qemu-kvm" in source machine. And I execute "virsh list" command in destination machine, and the result is: #virsh list Id Name State ----------------------------------------------------------- 1 win7 paused 3) But after a few minutes，there have a error: # virsh migrate --live --copy-storage-all --verbose win7 qemu+ssh:// 186.100.8.136/system root(a)186.100.8.136's password: Migration : [ 97% ] error: Unable to read from monitor : Connection reset by peer. I execute "virsh list" command in source machine again, and the result is NULL. I cannot find the corresponding qemu-kvm process in the result of "ps -ef | grep qemu-kvm" in source machine. And I execute "virsh list" command in destination machine again, and the result is NULL. But, when I only use qemu-kvm command not use libvirt, I can test block migration successfully (use qemu-kvm to create a VM, and exec "migrate -b -d xxx" command in qemu-kvm monitor to migrate). The version of libvirt is 1.0.1 and the version of qemu-kvm is 1.2.0 ( 1.2.2 is also have this issue). Please give me some help. How to solve the issue. Thanks a lot. **

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[libvirt-users] libvirt RPC error
by Parakkal, Navin S 11 Jan '13

11 Jan '13

Hi, I'm using qemu+ssh://username@hostname/system as the remote URI. Libvirt seems to be communicating fine until some 2 minutes (we poll every 5 seconds) and then it throws up RPC error and many counters are wrong. But if I collect on localhost the counters seems to be coming fine. Test and testvm are guests on the local machine where as Win8 and Ubuntu* are remote URI's connected through ssh. What causes this error "libvir: RPC error : End of file while reading data: : Input/output error" and how do we fix it ? I've pasted the logfile inline. Localhost from which we are connecting: uname -aLinux iwf0044110 3.2.0-23-generic #36-Ubuntu SMP Tue Apr 10 20:39:51 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux root@iwf0044110:/home1/parakkal/COLLABNET_11.10_NEW/hpsw-oa/PA/numsVob/linux/2.2/Linux2.6_64_debug# cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=12.04 DISTRIB_CODENAME=precise DISTRIB_DESCRIPTION="Ubuntu 12.04 LTS" root@iwf0044110:/home1/parakkal/COLLABNET_11.10_NEW/hpsw-oa/PA/numsVob/linux/2.2/Linux2.6_64_debug# virsh version Compiled against library: libvir 0.9.8 Using library: libvir 0.9.8 Using API: QEMU 0.9.8 Running hypervisor: QEMU 1.0.0 Remote host: root@iwf004461:/home1/parakkal/COLLABNET_11.10_NEW/hpsw-oa/PA/numsVob/linux/2.2# uname -a Linux iwf004461 3.0.0-12-server #20-Ubuntu SMP Fri Oct 7 16:36:30 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux root@iwf004461:/home1/parakkal/COLLABNET_11.10_NEW/hpsw-oa/PA/numsVob/linux/2.2# cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=11.10 DISTRIB_CODENAME=oneiric DISTRIB_DESCRIPTION="Ubuntu 11.10" root@iwf004461:/home1/parakkal/COLLABNET_11.10_NEW/hpsw-oa/PA/numsVob/linux/2.2# virsh version Compiled against library: libvir 0.9.2 Using library: libvir 0.9.2 Using API: QEMU 0.9.2 Running hypervisor: QEMU 0.14.1 Note: libvirt.so not present, using /usr/lib/libvirt.so.0 libvir: error : no connection driver available for No connection for URI xen:/// No Xen on this system NOTE: 1 memory stats available out of 8 libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: QEMU error : Requested operation is not valid: cgroup CPU controller is not mounted NOTE: scheduler type not available libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known 04:23:07 | testvm | Running 04:23:07 | test | Running 04:23:07 | Win8 | Running 04:23:07 | Ubuntu11.10 | Running 04:23:07 | Ubuntu12.04 | Running libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known 04:23:18 | testvm | Running 04:23:18 | test | Running 04:23:18 | Win8 | Running 04:23:18 | Ubuntu11.10 | Running 04:23:18 | Ubuntu12.04 | Running libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known 04:23:25 | testvm | Running 04:23:25 | test | Running 04:23:25 | Win8 | Running 04:23:25 | Ubuntu11.10 | Running 04:23:25 | Ubuntu12.04 | Running libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known 04:23:32 | testvm | Running 04:23:32 | test | Running 04:23:32 | Win8 | Running 04:23:32 | Ubuntu11.10 | Running 04:23:32 | Ubuntu12.04 | Running libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known 04:23:40 | testvm | Running 04:23:40 | test | Running 04:23:40 | Win8 | Running 04:23:40 | Ubuntu11.10 | Running 04:23:40 | Ubuntu12.04 | Running libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known 04:23:47 | testvm | Running 04:23:47 | test | Running 04:23:47 | Win8 | Running 04:23:47 | Ubuntu11.10 | Running 04:23:47 | Ubuntu12.04 | Running libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known 04:23:55 | testvm | Running 04:23:55 | test | Running 04:23:55 | Win8 | Running 04:23:55 | Ubuntu11.10 | Running 04:23:55 | Ubuntu12.04 | Running libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known 04:24:02 | testvm | Running 04:24:02 | test | Running 04:24:02 | Win8 | Running 04:24:02 | Ubuntu11.10 | Running 04:24:02 | Ubuntu12.04 | Running libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known 04:24:10 | testvm | Running 04:24:10 | test | Running 04:24:10 | Win8 | Running 04:24:10 | Ubuntu11.10 | Running 04:24:10 | Ubuntu12.04 | Running libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known 04:24:17 | testvm | Running 04:24:17 | test | Running 04:24:17 | Win8 | Running 04:24:17 | Ubuntu11.10 | Running 04:24:17 | Ubuntu12.04 | Running libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known 04:24:24 | testvm | Running 04:24:24 | test | Running 04:24:24 | Win8 | Running 04:24:24 | Ubuntu11.10 | Running 04:24:24 | Ubuntu12.04 | Running libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known 04:24:32 | testvm | Running 04:24:32 | test | Running 04:24:32 | Win8 | Running 04:24:32 | Ubuntu11.10 | Running 04:24:32 | Ubuntu12.04 | Running libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known 04:24:39 | testvm | Running 04:24:39 | test | Running 04:24:39 | Win8 | Running 04:24:39 | Ubuntu11.10 | Running 04:24:39 | Ubuntu12.04 | Running libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known 04:24:46 | testvm | Running 04:24:46 | test | Running 04:24:46 | Win8 | Running 04:24:46 | Ubuntu11.10 | Running 04:24:46 | Ubuntu12.04 | Running libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known 04:24:54 | testvm | Running 04:24:54 | test | Running 04:24:54 | Win8 | Running 04:24:54 | Ubuntu11.10 | Running 04:24:54 | Ubuntu12.04 | Running libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known 04:25:01 | testvm | Running 04:25:01 | test | Running 04:25:01 | Win8 | Running 04:25:01 | Ubuntu11.10 | Running 04:25:01 | Ubuntu12.04 | Running libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known libvir: error : internal error getaddrinfo failed for 'iwf004461': Name or service not known 04:25:09 | testvm | Running 04:25:09 | test | Running 04:25:09 | Win8 | Running 04:25:09 | Ubuntu11.10 | Running 04:25:09 | Ubuntu12.04 | Running libvir: RPC error : End of file while reading data: : Input/output error 04:25:16 | testvm | Running 04:25:16 | test | Running 04:25:16 | Win8 | Nostate 04:25:16 | Ubuntu11.10 | Nostate 04:25:16 | Ubuntu12.04 | Nostate libvir: RPC error : End of file while reading data: : Input/output error 04:25:20 | testvm | Running 04:25:20 | test | Running 04:25:20 | Win8 | Nostate 04:25:20 | Ubuntu11.10 | Nostate 04:25:20 | Ubuntu12.04 | Nostate libvir: RPC error : End of file while reading data: : Input/output error 04:25:25 | testvm | Running 04:25:25 | test | Running 04:25:25 | Win8 | Nostate 04:25:25 | Ubuntu11.10 | Nostate 04:25:25 | Ubuntu12.04 | Nostate Regards, Navin P.S. Please use reply all as I'm not subscribed to this list .

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[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 10 Jan '13

10 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 09 Jan '13

09 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 05 Jan '13

05 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 05 Jan '13

05 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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