- Users - libvirt List Archives

[libvirt-users] high-privileges
by Face 24 Oct '11

24 Oct '11

hello all, my vm (windows server 2008) keep crashing? 2011-09-21 15:00:45.924: 1355: info : libvirt version: 0.9.6 2011-09-21 15:00:45.924: 1355: error : virSysinfoRead:465 : internal error Failed to find path for dmidecode binary 2011-09-21 15:05:43.873: 1349: warning : qemuDomainObjTaint:1128 : Domain id=1 name='IIS' uuid=a02e41a9-9f4d-d94f-43a6-995b1ca6d37d is tainted: high-privileges 2011-09-21 16:07:10.593: 1344: error : qemuMonitorIO:541 : internal error End of file from monitor Any help would be much appreciated. -- Sincerely, falazemi

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[libvirt-users] virt-install with set vnc password
by vmnode guy 23 Oct '11

23 Oct '11

Hi Guy, Anyone know how we can set up the vnc password during using virt-install command ? # virt-install \ --connect qemu:///system \ --name demo \ --ram 500 \ --disk path=/var/lib/libvirt/images/demo.img,size=5 \ --network network=default,model=virtio \ --vnc \ --cdrom /dev/cdrom Regards, Peter

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[libvirt-users] Libvirt Live Migrat error
by Luengffy XUE 21 Oct '11

21 Oct '11

Dear , Today， i use the libvirt-manager to migrate the live VM . Problem comes ad the picture. How did it happen? Please help me. Thanks very much. Leungffy XUE

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[libvirt-users] Identifying proper CPU type
by Alex 20 Oct '11

20 Oct '11

Hi, I've been working on trying to figure out why my virtual machine keeps crashing when I don't believe I have a hardware problem, and I believe I might know why. As I'm relatively new to this, I believe I may have misconfigured the XML file to try and maximize the CPU features that are available to the guest from the host. I have an Intel Xeon E3-1240 3.3Ghz quad-core. How can I properly configure the XML file to transparently make available as many of the CPU features as possible to the guest? I have read cpu_map.xml, and my processor has more capabilities than anything listed. I've now configured the <cpu> section to read as follows: <cpu> <topology sockets='1' cores='4' threads='2'/> </cpu> The guest processor still seems to indicate there is only one core, despite there being 7 processors? Below is the cpuinfo from the host, followed by that of the guest: processor : 7 vendor_id : GenuineIntel cpu family : 6 model : 42 model name : Intel(R) Xeon(R) CPU E31240 @ 3.30GHz stepping : 7 cpu MHz : 3301.000 cache size : 8192 KB physical id : 0 siblings : 8 core id : 3 cpu cores : 4 apicid : 7 initial apicid : 7 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 x2apic popcnt aes xsave avx lahf_lm ida arat epb xsaveopt pln pts dts tpr_shadow vnmi flexpriority ept vpid bogomips : 6584.20 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: Guest: processor : 7 vendor_id : GenuineIntel cpu family : 6 model : 2 model name : QEMU Virtual CPU version 0.14.0 stepping : 3 cpu MHz : 3292.520 cache size : 4096 KB physical id : 0 siblings : 8 core id : 0 cpu cores : 1 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 4 wp : yes flags : fpu de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pse36 clflush mmx fxsr sse sse2 ht syscall nx lm rep_good nopl pni cx16 popcnt hypervisor lahf_lm bogomips : 6585.04 clflush size : 64 cache_alignment : 64 address sizes : 40 bits physical, 48 bits virtual power management: Any ideas greatly appreciated. Thanks, Alex

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[libvirt-users] general protection and other errors
by Alex 20 Oct '11

20 Oct '11

Hi, I'm having a problem with a fedora15 x86_64 host with a fedora15 x86_64 guest on a Xeon E3-1240 with 8GB RAM on the guest. This is the only guest. The server is configured as a mail server, using spamassassin, postfix, amavisd, and clamav. It was previously running without error on different hardware. I migrated the disks to a more powerful server due to load. It's a new server, and has been stress tested with memtest86, mprime, and passmark's Linux test for more than 24 hours without producing a problem. However, when I run the kvm vm, I receive a bunch of errors similar to these on the guest: [169245.360511] clamscan[27448] general protection ip:7f125f2e6ffb sp:7fff117566f0 error:0 in libclamav.so.6.1.11[7f125f229000+9ce000] [29016.445470] clamd[1110] general protection ip:30df2c3981 sp:7fffa08f4fe0 error:0 in libclamav.so.6.1 .11[30df200000+9ce000] There are other applications, such as pyzor, that produce similar errors. Is this something that could be a result of some software configuration error I've made? Is there something I can do to debug this further? There also aren't any errors on the host indicating a kernel problem or hardware issue. Is it possible this is a known error? I was previously trying to improve IO performance by using 'block' instead of 'file' for the device, but had to abandon that idea because it didn't work and I had to concentrate on this problem. Could disabling the cache (cache=none) cause this? I've included some info below, in hopes someone could guide me towards a solution. # rpm -qva|egrep 'kvm|libvirt|kernel|qemu' libvirt-python-0.8.8-7.fc15.x86_64 kernel-2.6.40.6-0.fc15.x86_64 qemu-img-0.14.0-8.fc15.x86_64 gpxe-roms-qemu-1.0.1-4.fc15.noarch kernel-2.6.40.4-5.fc15.x86_64 qemu-system-x86-0.14.0-8.fc15.x86_64 libvirt-0.8.8-7.fc15.x86_64 libvirt-client-0.8.8-7.fc15.x86_64 qemu-common-0.14.0-8.fc15.x86_64 kernel-headers-2.6.40.6-0.fc15.x86_64 qemu-kvm-0.14.0-8.fc15.x86_64 I've included my domain config below in hopes it helps. <domain type='kvm'> <name>mail02</name> <uuid>ec4f3cf5-2f27-fb3e-72f6-3fa3176b13b6</uuid> <memory>6291456</memory> <currentMemory>6291456</currentMemory> <vcpu>4</vcpu> <os> <type arch='x86_64' machine='pc-0.14'>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>/usr/bin/qemu-kvm</emulator> <disk type='file' device='disk'> <driver name='qemu' type='raw' cache='none'/> <source file='/var/lib/libvirt/images/mail02.img'/> <target dev='vda' bus='virtio'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/> </disk> <disk type='block' device='cdrom'> <driver name='qemu' type='raw'/> <target dev='hdc' bus='ide'/> <readonly/> <address type='drive' controller='0' bus='1' unit='0'/> </disk> <controller type='ide' index='0'> <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/> </controller> <interface type='bridge'> <mac address='52:54:00:67:2c:4c'/> <source bridge='br0'/> <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='mouse' bus='ps2'/> <graphics type='vnc' port='-1' autoport='yes'/> <video> <model type='cirrus' vram='9216' heads='1'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/> </video> <memballoon model='virtio'> <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/> </memballoon> </devices> </domain> Thanks, Alex

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Re: [libvirt-users] no connection driver available for openvz:///system
by Trey Dockendorf 19 Oct '11

19 Oct '11

2011/10/12 张立洪 <zlh_086(a)126.com> > thanks for help. > > I download a new libvirt 0.8.1,and compile libvirt.spec. and I success.I > can use virsh command connect openvz. > > but I want use libvirt manager KVM and openvz simultaneously.can you tell > me how can I implement.....? > openvz and kvm 's VMs can network interconnect? > the end I want to ask whether libvirt0.9.6 support openvz,vbox,lxc etc? > > thanks very much again!!!! look forward to your replies. > > > > > Replying back to the list as this may be useful for others. Personally, I don't know openvz or its capabilities, but you can use something like virt-manager to manage anything controlled by Libvirt. If the openvz server connects via libvirt then virt-manager should be able to manage that also. In virt-manager you'd just do "File" -> "Add Conection" to connect a new server to the same interface. I'd recommend also upgrading the CentOS 6 CR. The version of libvirt fixes many issues I've run into, primarily the snapshot capabilities. Also the virt-manager version in CentOS 6 is very dated. I have one you can download that is the latest I've found to work with libvirt-0.8.1 and libvirt-0.8.7 (CentOS 6.1 / CR). http://itscblog.tamu.edu/virt-manager-0-8-7-for-centos-6/ . I'll be updating the virt-manager RPM shortly, to just incorporate changes from upstream RedHat. - Trey

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[libvirt-users] Virtio Balloon- Can not see the results
by d hee 18 Oct '11

18 Oct '11

with kvm and virtio- would -m 1024 take proceedence over -balloon virtio? when i use both together, i see memory stay around 1024 MB less on my host side. I know the guest is not taking but a fraction of that ram, so I would expect the virtio balloon to take the majority of the guests ram and hand it back to the host. this is using the free util/command to take snapshots of the host memory. thanks, -dman

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[libvirt-users] Help with running virt-top from Java file
by PREETHI RAMESH 18 Oct '11

18 Oct '11

I've been trying to run virt-top to save the usage statistics to a csv file from my Java code using process builder. However, this gets executed in the Java file but I don't seem to find the file created anywhere. Is executing virt-top possible via a Java code? I'm using the example here<http://forums.devx.com/showthread.php?t=147403>replacing ls -l with virt-top --csv file2.csv. I plan to generate the graphs from the csv files to load them on to my Java UI. If there are other alternatives to my method, please tell me as I've been trying to get one for almost a week now. Thanks a lot! Preethi

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[libvirt-users] libvirt ESXI driver's capabilities
by חץ בן חמו 18 Oct '11

18 Oct '11

Hello, I've read a bit about libvirt in the web site, and I couldn't find anywhere whats the VMWare driver is capable of. I'm planning to build something that will let me manage multiple ESXI hosts (without vcenter) and before I hire a developer, I would like to ask if it supports the following items: * creating thin provisioning disks (when creating a new vm for example) * snapshots - create / restore / limit amounts of snapshots * modifications of live machines (if possible) * graphs (is it possible to build graph with libvirt??) * shutdown / pause / restart I really wish there was a document which would show the driver's limitations.. Another question: is there any book / pdf which is updated and can provide the info of what libvirt capabilities are there and how to use them? Thanks, Hetz

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[libvirt-users] virt-install.
by Chuck LaVerde 17 Oct '11

17 Oct '11

Why does virt-install shutdown the guest after the initial install? Is there a way to have the guest reboot after the initial installation? Chuck

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