On Mon, 12 Sep 2011, James Kelly wrote:

> Hello SL users,
>
> When I install sl5.6 and sl5.7 64 bit guests on a KVM sl6.1 64 bit host I am
> seeing the following errors (when the virtual machine starts or restarts):
>
> Sep 11 20:00:34 kvm-sl6x kernel: kvm: 2022: cpu0 unimplemented perfctr
> wrmsr: 0xc0010005 data 0x0
> Sep 11 20:00:34 kvm-sl6x kernel: kvm: 2022: cpu0 unimplemented perfctr
> wrmsr: 0xc0010001 data 0x130076
> Sep 11 20:00:34 kvm-sl6x kernel: kvm: 2022: cpu0 unimplemented perfctr
> wrmsr: 0xc0010005 data 0xffffffffffde6d26
> Sep 11 20:00:34 kvm-sl6x kernel: kvm: 2022: cpu0 unimplemented perfctr
> wrmsr: 0xc0010001 data 0x530076

I'm pretty sure the wrmsr errors above are harmless..we have seen
them on FermiCloud under both SLF5 and SLF6.  The error below is
unconnected.

>
> When i tried an sl5.6 32 bit guest the virsh console connection from the
> host to the guest crashed with following error:
>
> *** glibc detected *** /usr/bin/virsh: corrupted double-linked list:
> 0x000000000101b1c0 ***
>
> The install had finished and the guest was being rebooted when this
> error occurred. I had to issue a virsh destroy command from a second ssh
> connection to get get rid of the frozen virsh console connection. Strangely
> the vm did boot when i later issued a virsh start command.

What do you see when you bring up the VM with virt-viewer or virt-manager,
sometimes you can see some other messages there before the virsh console
is available.


>
> Installing an sl6.1 64 bit guest on the sl6.1 64 bit host I get the this
> error as the vm starts or restarts:
>
> Sep 11 14:05:14 kvm-sl6x kernel: kvm: 1928: cpu0 unhandled rdmsr: 0xc0010001
>
> Can anyone offer any advice on whether I have hit a bug somewhere of whether
> I have done something wrong with the configuration of the host/guest?
>
> jk
>

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Steven C. Timm, Ph.D  (630) 840-8525
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