January 2012 - Users - libvirt List Archives

[libvirt-users] Should Windows NT guest use all of a CPU?
by Richard Walker 18 Jan '12

18 Jan '12

I've "ported" an old VMware VM containing Windows NT 4 SP6 into libvirt/kvm/qemu and got it running (more or less). However, the CPU graph next to the VM in virt-manager shows it starts using 100% of the allocated CPU as soon as it reaches the "OS Loader" screen, and stays there even after Windows has booted and I've logged in. (There's a dip now and then, apparently when something other than idling happens!) Windows NT Task Manager shows the CPU usage at 0%. I've tried with and without ACPI, and with different CPU settings (none/default, qemu32, pentium). No difference. Host is running Fedora 16 x86_64 with the latest updates: gpxe-roms-qemu-1.0.1-4.fc16.noarch qemu-kvm-0.15.1-3.fc16.x86_64 qemu-system-x86-0.15.1-3.fc16.x86_64 qemu-common-0.15.1-3.fc16.x86_64 qemu-img-0.15.1-3.fc16.x86_64 libvirt-0.9.6-4.fc16.x86_64 libvirt-client-0.9.6-4.fc16.x86_64 libvirt-python-0.9.6-4.fc16.x86_64 virt-manager-common-0.9.0-7.fc16.noarch virt-manager-0.9.0-7.fc16.noarch No other VM (Linux or Windows) behaves this way. I thought NT was deemed to be "well behaved" (e.g., uses HLT instruction), so I'm wondering if this is normal. ps shows (except for bits I've hidden): /usr/bin/qemu-kvm -S -M pc-0.14 -cpu qemu32 -enable-kvm -m 384 -smp 1,sockets=1,cores=1,threads=1 -name BPrjwtest -uuid <hidden> -nodefconfig -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/BPrjwtest.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=localtime -device lsi,id=scsi0,bus=pci.0,addr=0x6 -drive file=/home/libvirt/images/BPrjwtest.img,if=none,id=drive-ide0-0-0,format=raw -device ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 -drive file=<hidden>,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,bootindex=2 -netdev tap,fd=30,id=hostnet0 -device ne2k_pci,netdev=hostnet0,id=net0,mac=<hidden>,bus=pci.0,addr=0x4 -chardev pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0 -usb -device usb-tablet,id=input0 -vnc 127.0.0.1:3 -vga vmware -device AC97,id=sound0,bus=pci.0,addr=0x5 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3

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[libvirt-users] possible to disable but not remove hardware?
by David Mansfield 18 Jan '12

18 Jan '12

I have a situation where I frequently need to "add" and "remove" a NIC, but each time I "add" it, I need the same MAC address. I'm using virt-manager mostly, but would be willing to use "virsh" if necessary, although it doesn't seem to hotplug the same way (something else to figure out another day ;-). It doesn't appear in the domain XML format that there is any "disabled" attribute than can be used. Is that true? Is there a different usage pattern to accomplish this? Thanks, David Mansfield Cobite, INC.

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[libvirt-users] Re: Cloud Init
by Nicolas Sebrecht 18 Jan '12

18 Jan '12

[ Please, keep cc'ing the list. ] The 18/01/12, Sarath P R wrote: > I am trying to start create an instance by passing configurations in xml > file > > dom = con.domainDefineXML(xmlDesc); > �� int id = dom.create(); > > I want to provide ssh access to the newly created vm. I am trying to > provide cloud service. so i want� the creation of vm and embedding ssh > inside the vm everything happen programatically. I think you're looking for libguestfs at http://libguestfs.org/ . Another approach would be you to have root ssh access to the guest and tunning the guest configuration via ssh. -- Nicolas Sebrecht

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[libvirt-users] virt-manager 0.9.0-r2 gentoo, no starting
by Marko Weber 18 Jan '12

18 Jan '12

getting this when starting virt-manager databunka src # virt-manager Traceback (most recent call last): File "/usr/share/virt-manager/virt-manager.py", line 383, in <module> main() File "/usr/share/virt-manager/virt-manager.py", line 285, in main raise RuntimeError(_("Unable to initialize GTK: %s") % gtk_error) RuntimeError: Kann GTK nicht initialisieren: could not open display i already remerged gtk marko

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[libvirt-users] Cloud Init
by Sarath P R 18 Jan '12

18 Jan '12

I want to start an instance using libvirt API. I want to provide ssh access for the user of the vm. Anyone know how to embed an ssh key into the instance. I came across cloud-init . but couldn't get a tutorial . Thanks in advance. -- Thank You Sarath P R | cell +91.999.502.4287

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[libvirt-users] Libvirt-LXC bug/error
by Samuel Hassine, Another Service 17 Jan '12

17 Jan '12

Hi all, I am trying to run LXC containers with the libvirt utils. I encountered many difficulties but solved all of them, except a last one... This is why I need your help. My problem is simple, here is the log of the command: http://pastebin.com/2zrjYLiT When I try to do: virsh --connect lxc:/// start instance-00000010 I have the errors: 2012-01-16 10:46:47.739+0000: 1: error : lxcContainerMountDevFS:518 : Failed to mount /dev/pts in container: No such file or directory And others (see the trace on pastebin). Does anybody have an idea about how to deal with this problem? Thanks for your answers. Best regards. Sam

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[libvirt-users] web frontend for managing libvirt servers
by Christian Parpart 17 Jan '12

17 Jan '12

Hi all, I know that redhat has some web based GUI for managing libvirt clusters, however, I am not having purchased redhat :-) Is there any good open-source web frontend you can recommend for managing your libvirt instances? Ideally with VNC/spice support for connecting to the remote? I know of proxmox, which we used so far for our openvz containers, but I am about to migrate to KVM (and possibly linux-vserver / LXC). Many thanks, Christian.

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Re: [libvirt-users] (no subject)
by Marko Weber 17 Jan '12

17 Jan '12

Hallo Christian, have look on ovirt (redhat). ovirt-node.x86_64 : The RHEV Hypervisor daemons/scripts ovirt-node-tools.noarch : RHEV Hypervisor tools for building and running an RHEV Hypervisor image Dunno if you can compare it too vmware vcenter, but ovirt is what i think you need to manage vm's and hosts. clustering motion etc Its in the Repos for Centos. Marko Am 17.01.2012 10:20, schrieb Christian Parpart: > Hi all, > > I know that redhat has some web based GUI for managing libvirt > clusters, > however, I am not having purchased redhat :-) > > Is there any good open-source web frontend you can recommend for > managing > your libvirt instances? Ideally with VNC/spice support for connecting > to the remote? > > I know of proxmox, which we used so far for our openvz containers, > but > I am about > to migrate to KVM (and possibly linux-vserver / LXC). > > Many thanks, > Christian. > > _______________________________________________ > libvirt-users mailing list > libvirt-users(a)redhat.com > https://www.redhat.com/mailman/listinfo/libvirt-users

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[libvirt-users] sorry, choosed wrong recipient....
by Marko Weber 17 Jan '12

17 Jan '12

Hi Michal, Am 17.01.2012 09:19, schrieb Michal Privoznik: On 16.01.2012 23:04, Marko Weber wrote: Hi Michal, i cant say the USEFLAGS, cause i removed at end the package, heres a cut of logfile /var/log/libvirt/libvirt.log 2012-01-15 19:48:11.960+0000: 21586: error : virCommandWait:2192 : Interner Fehler Child process (/sbin/iptables --table mangle --insert POSTROUTING --out-interface virbr0 --protocol udp --destination-port 68 --jump CHECKSUM --checksum-fill) status unexpected: exit status 1 2012-01-15 19:48:11.960+0000: 21586: warning : networkAddGeneralIptablesRules:1259 : Could not add rule to fixup DHCP response checksums on network 'default'. 2012-01-15 19:48:11.960+0000: 21586: warning : networkAddGeneralIptablesRules:1260 : May need to update iptables package & kernel to support CHECKSUM rule. 2012-01-15 19:48:11.977+0000: 21586: error : virCommandWait:2192 : Interner Fehler Child process (/sbin/iptables --table filter --insert FORWARD --in-interface virbr0 --jump REJECT) status unexpected: exit status 1 2012-01-15 19:48:11.977+0000: 21586: error : networkAddGeneralIptablesRules:1296 : Hinzufügen der iptables-Regel zum Blockieren von ausgehenden Daten von 'virbr0' fehlgeschlagen 2012-01-15 19:55:06.133+0000: 21589: error : virConnectNumOfInterfaces:9803 : this function is not supported by the connection driver: virConnectNumOfInterfaces This part says libvirt was not able to insert iptables rules for a virtual network (NAT). This can be harmless if such rules already exists. 2012-01-15 22:11:54.664+0000: 12093: info : libvirt version: 0.9.8 2012-01-15 22:11:54.664+0000: 12093: error : virCommandWait:2192 : Interner Fehler Child process (/bin/sh -c EBT=/sbin/ebtables cmd='$EBT -t nat -L' eval res=\$$"${cmd} 2>&1"$ if [ $? -ne 0 ]; then echo "Failure to execute command '${cmd}' : '${res}'."; exit 1;fi ) status unexpected: exit status 1 2012-01-15 22:12:01.356+0000: 12196: info : libvirt version: 0.9.8 2012-01-15 22:12:01.356+0000: 12196: error : virCommandWait:2192 : Interner Fehler Child process (/bin/sh -c EBT=/sbin/ebtables cmd='$EBT -t nat -L' eval res=\$$"${cmd} 2>&1"$ if [ $? -ne 0 ]; then echo "Failure to execute command '${cmd}' : '${res}'."; exit 1;fi ) status unexpected: exit status 1 2012-01-15 22:16:28.260+0000: 32646: info : libvirt version: 0.9.8 2012-01-15 22:16:28.260+0000: 32646: error : virCommandWait:2192 : Interner Fehler Child process (/sbin/iptables --table mangle --insert POSTROUTING --out-interface virbr0 --protocol udp --destination-port 68 --jump CHECKSUM --checksum-fill) status unexpected: exit status 1 2012-01-15 22:16:28.260+0000: 32646: warning : networkAddGeneralIptablesRules:1259 : Could not add rule to fixup DHCP response checksums on network 'default'. 2012-01-15 22:16:28.260+0000: 32646: warning : networkAddGeneralIptablesRules:1260 : May need to update iptables package & kernel to support CHECKSUM rule. 2012-01-15 22:16:28.277+0000: 32646: error : virCommandWait:2192 : Interner Fehler Child process (/sbin/iptables --table filter --insert FORWARD --in-interface virbr0 --jump REJECT) status unexpected: exit status 1 2012-01-15 22:16:28.277+0000: 32646: error : networkAddGeneralIptablesRules:1296 : Hinzufügen der iptables-Regel zum Blockieren von ausgehenden Daten von 'virbr0' fehlgeschlagen 2012-01-15 22:16:28.392+0000: 32646: error : virCommandWait:2192 : Interner Fehler Child process (/bin/sh -c EBT=/sbin/ebtables cmd='$EBT -t nat -L' eval res=\$$"${cmd} 2>&1"$ if [ $? -ne 0 ]; then echo "Failure to execute command '${cmd}' : '${res}'."; exit 1;fi ) status unexpected: exit status 1 2012-01-15 22:21:36.668+0000: 20936: info : libvirt version: 0.9.8 2012-01-15 22:21:36.668+0000: 20936: error : virCommandWait:2192 : Interner Fehler Child process (/bin/sh -c EBT=/sbin/ebtables cmd='$EBT -t nat -L' eval res=\$$"${cmd} 2>&1"$ if [ $? -ne 0 ]; then echo "Failure to execute command '${cmd}' : '${res}'."; exit 1;fi ) status unexpected: exit status 1 2012-01-15 22:25:14.718+0000: 8026: info : libvirt version: 0.9.8 2012-01-15 22:25:14.718+0000: 8026: error : virCommandWait:2192 : Interner Fehler Child process (/bin/sh -c EBT=/sbin/ebtables cmd='$EBT -t nat -L' eval res=\$$"${cmd} 2>&1"$ if [ $? -ne 0 ]; then echo "Failure to execute command '${cmd}' : '${res}'."; exit 1;fi ) status unexpected: exit status 1 2012-01-15 22:25:16.311+0000: 8018: error : do_open:1213 : no connection driver available for No connection for URI qemu:///system 2012-01-15 22:25:16.312+0000: 8015: error : virNetSocketReadWire:996 : End of file while reading data: Eingabe-/Ausgabefehler 2012-01-15 22:25:16.333+0000: 8016: error : do_open:1213 : no connection driver available for No connection for URI qemu:///system 2012-01-15 22:25:16.333+0000: 8015: error : virNetSocketReadWire:996 : End of file while reading data: Eingabe-/Ausgabefehler This part is actually really wrong. Libvirt was unable to find any qemu. Do you have any qemu installed? 2012-01-15 22:25:16.508+0000: 8102: info : libvirt version: 0.9.8 2012-01-15 22:25:16.508+0000: 8102: error : virCommandWait:2192 : Interner Fehler Child process (/bin/sh -c EBT=/sbin/ebtables cmd='$EBT -t nat -L' eval res=\$$"${cmd} 2>&1"$ if [ $? -ne 0 ]; then echo "Failure to execute command '${cmd}' : '${res}'."; exit 1;fi I can give a try with your USEFLAGS. Yeah, i bet it will work with them :) Ok Ok, Tada!!!! after recompiling with the recommended useflags and "restarting" of libvirt = Tada! It works! Is the logfile informativ for you? Marko Btw, on my Centos6 Boxes all is running like a charme. Well, Centos/RHEL have strict dependencies for packages and therefore force user to install many packages which user doesn't need in the end. That's why we are using Gentoo, right? :) Yes, right. But for customer related server i feel good to use enterprise linux. Gentoo is my personal fav and love ;-) I wanted to give a try on latest vanilla 3.2.1 - it works like charm now , libvirt, virt-manager. Only trick i have to use is, before creating new virtual machine, i have to a new harddisk for the vm. When i do this in the process of creating new virtual machine, i cant select (in step 3?) where to define the disk. the windows just pop up for 1 sec and is gone, i have to kill then the virt-manager and restart all. what i really like is, when use Centos as Guest, u can use virtio from beginning on hard disk and ethernet. E.g. on Centos it is not easy to install just libvirt without qemu. However, it is perfectly simple to do so on Gentoo. Michal

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[libvirt-users] libvirt 0.9.0 on gentoo linux, problem network
by Marko Weber 16 Jan '12

16 Jan '12

Hello to the list at first - i am first time here. i setup on my gentoo box libvirt and virt-manager. when i fireup virt-manager all seems okay. when i want to create a new virtual machine it seems all okay, until the step when i want to add an iso image to the cdrom. i notcied that i cant choose to connect cdrom, also the network is not found. i can post error codes from log when needed, just wanted to ask, if someone here had same behaviour and a solution for it. marko

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