[CentOS-virt] Question Kernel / KVM; Update Centos 7(.1)

Tue Jun 9 07:14:21 UTC 2015
Günther J. Niederwimmer <gjn at gjn.priv.at>

Hello,

Am Montag, 8. Juni 2015, 22:02:54 schrieb Alexander Dalloz:
> Am 08.06.2015 um 14:25 schrieb Günther J. Niederwimmer:
> > Hello,
> > 
> > Have Centos a Repository with corrected or newer Packages for KVM.
> 
> To which bugs do you refer?
I am new on centos, this is my first productive Server, but on my home i tested 
this over years, with no Problems.


I "mean" this is a kernel / qemu-kvm config problem, ?

CPU E5-2620v3
Chipset = C612
 
> > On my brand new System ;-), but also with my older System. I have big
> > problems with KVM guests "slow slow slow", the DomU's are also CentOS 7
> 
> You must be doing something wrong. I do not share this experience.
> 
> > virt-manager is also broken with the 7.1
> 
> What exactly should be broken? Not on my side

It is not possible to change the CPU z.B. "Copy from Hos"t crash the virt-
manager, only the default is working. all other are broken. This is a fall 
back to the first screen.

It is not possible to install a DomU
 
> > The "old" Bug in the Kernel is really bad, I have several hundreds log
> > from
> > the vcpu0 Problem.
only a small example
J
un  9 08:50:45 ulli kernel: kvm [3099]: vcpu0 unhandled rdmsr: 0x611
Jun  9 08:50:45 ulli kernel: kvm [3099]: vcpu0 unhandled rdmsr: 0x639
Jun  9 08:50:45 ulli kernel: kvm [3099]: vcpu0 unhandled rdmsr: 0x641
Jun  9 08:50:45 ulli kernel: kvm [3099]: vcpu0 unhandled rdmsr: 0x619
Jun  9 08:50:45 ulli kernel: kvm [3099]: vcpu0 unhandled rdmsr: 0x611
Jun  9 08:50:45 ulli kernel: kvm [3099]: vcpu0 unhandled rdmsr: 0x639
Jun  9 08:50:45 ulli kernel: kvm [3099]: vcpu0 unhandled rdmsr: 0x641
Jun  9 08:50:45 ulli kernel: kvm [3099]: vcpu0 unhandled rdmsr: 0x619

> Ticket number?
Bug 1063836 
Bug 874627 

and so on ;)
 
> > thank's for a answer,
> 
> Alexander
> 
> 
> 
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-- 
mit freundlichen Grüssen / best regards,

 Günther J. Niederwimmer