[virt-tools-list] ERROR unsupported configuration: host doesn't support invariant TSC

[Cole Robinson]

On 04/02/2015 10:49 PM, pc aide wrote:
> Hello, I just installed a fresh CentOS 7 minimal version on my server (dell r610).
> 
> Linux testServer 3.10.0-229.1.2.el7.x86_64 #1 SMP Fri Mar 27 03:04:26 UTC 2015
> x86_64 x86_64 x86_64 GNU/Linux
> 
> then made update and installed kvm tools
> 
> yum -y install qemu-kvm qemu-img libvirt virt-install libvirt-daemon-driver-* /
> //
> /Name        : qemu-kvm
> Arch        : x86_64
> Epoch       : 10
> Version     : 1.5.3
> Release     : 86.el7_1.1/
> //
> /Name        : virt-install
> Arch        : noarch
> Version     : 1.1.0
> Release     : 12.el7
> 
> And then I got an error when I'm using the virt-install command with "--cpu
> host" option:
> 
>  virt-install --connect qemu:///system -n archlinux -r 1024 *--cpu host*
> --vcpus=1 --disk path=archlinux.raw,bus=virtio --cdrom
> archlinux-2015.02.01-dual.iso --os-type linux --network
> bridge:virbr0,model=virtio --hvm --graphics vnc,listen=0.0.0.0
> 
> Starting install...
> *ERROR    unsupported configuration: host doesn't support invariant TSC*
> Domain installation does not appear to have been successful.
> If it was, you can restart your domain by running:
>   virsh --connect qemu:///system start archlinux
> otherwise, please restart your installation.
> 
> I've double check the Virtualization option in the BIOS is enabled.
> 
> Here is a summary of /proc/cpuinfo:
> 
> processor       : 0
> vendor_id       : GenuineIntel
> cpu family      : 6
> model           : 26
> model name      : Intel(R) Xeon(R) CPU           L5520  @ 2.27GHz
> lags           : 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_perfmo
> n pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni dtes64 monitor
> ds_cpl*vmx *est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida
> dtherm tpr_shadow vnmi flexpr
> iority ept vpid
> 
> Am I missing something ? I'd like to know if there is a way to fix this.
> 
> If you need more informations, just ask.
> 
> Thank you for your time and consideration in this matter.

That's an issue that's fixed in latest upstreams:

https://bugzilla.redhat.com/show_bug.cgi?id=1133155
https://bugzilla.redhat.com/show_bug.cgi?id=1138221

Sounds like the libvirt side is fixed in 7.1, so update to that, then use

--cpu host-model

instead.

- Cole