Ok, so we found a solution that I thought I'll share in case this thread
pops up in a future search.
The problem was that our Redhat 5.x guests still run with a kernel that
lacks the tickeless feature, meaning that they are poking the host a 1000
times per second even if they haven't anything to
We tried a minimal installation from CD of RedHat 5.10 and it is the same.
This should be fairly easy to reproduce:
- Install a RedHat 6.5 hypervisor
- Install a RedHat 5.10 guest in it
- Enjoy your overused CPU
Is there someone with a similar setup out there?
Xavier
On Fri, Nov 7, 2014 at
Hi,
We have installed and added a new hypervisor into the ovirt cluster but
this time with disabled HT.
I migrated a RedHat 5.10 machine to it and immediately the qemu-kvm process
running the vm (freshly installed, just basic packages) began to consume
20-40% CPU as showed running top on the
On Fri, Nov 7, 2014 at 10:48 AM, Xavier Naveira xnave...@gmail.com wrote:
Hi,
We have installed and added a new hypervisor into the ovirt cluster but
this time with disabled HT.
I migrated a RedHat 5.10 machine to it and immediately the qemu-kvm
process running the vm (freshly installed,
These hardware is exactly the same, no changes in bios, reinstalled from
scratch.
The versions in the old ones are:
RHEL 5.6
kvm-83-224.el5
libvirt-0.8.2-15.el5_6.1
kmod-kvm-83-224.el5
kvm-tools-83-224.el5
libvirt-0.8.2-15.el5_6.1
Kernel: 2.6.18-238.1.1.el5 #1 SMP Tue Jan 4 13:32:19 EST 2011
Hi,
We are migrating our ifrastructure from kvm+libvirt hypervisors to ovirt.
Everything is working fine but we're noticing that all the qemu-kvm
processes in the hypervisors take a lot of CPU.
The typical example is an idle machine, running top from the machine
itself it reports cpu use
On 29.10.2014 10:21, Xavier Naveira wrote:
Hi,
We are migrating our ifrastructure from kvm+libvirt hypervisors to ovirt.
Everything is working fine but we're noticing that all the qemu-kvm
processes in the hypervisors take a lot of CPU.
Without further details of the workload this is hard
On 29.10.2014 11:48, Xavier Naveira wrote:
On 10/29/2014 11:47 AM, Xavier Naveira wrote:
On 10/29/2014 11:40 AM, Daniel Helgenberger wrote:
On 29.10.2014 10:21, Xavier Naveira wrote:
Hi,
We are migrating our ifrastructure from kvm+libvirt hypervisors to
ovirt.
Everything is working fine
On 10/29/2014 03:07 PM, Xavier Naveira wrote:
On 10/29/2014 01:26 PM, Daniel Helgenberger wrote:
On 29.10.2014 11:48, Xavier Naveira wrote:
On 10/29/2014 11:47 AM, Xavier Naveira wrote:
On 10/29/2014 11:40 AM, Daniel Helgenberger wrote:
On 29.10.2014 10:21, Xavier Naveira wrote:
Hi,
We
On 29.10.2014 15:57, Xavier Naveira wrote:
On 10/29/2014 03:07 PM, Xavier Naveira wrote:
On 10/29/2014 01:26 PM, Daniel Helgenberger wrote:
On 29.10.2014 11:48, Xavier Naveira wrote:
On 10/29/2014 11:47 AM, Xavier Naveira wrote:
On 10/29/2014 11:40 AM, Daniel Helgenberger wrote:
On
On 10/29/2014 04:06 PM, Daniel Helgenberger wrote:
On 29.10.2014 15:57, Xavier Naveira wrote:
On 10/29/2014 03:07 PM, Xavier Naveira wrote:
On 10/29/2014 01:26 PM, Daniel Helgenberger wrote:
On 29.10.2014 11:48, Xavier Naveira wrote:
On 10/29/2014 11:47 AM, Xavier Naveira wrote:
On
On 10/29/2014 04:29 PM, Xavier Naveira wrote:
On 10/29/2014 04:06 PM, Daniel Helgenberger wrote:
On 29.10.2014 15:57, Xavier Naveira wrote:
On 10/29/2014 03:07 PM, Xavier Naveira wrote:
On 10/29/2014 01:26 PM, Daniel Helgenberger wrote:
On 29.10.2014 11:48, Xavier Naveira wrote:
On
On 10/29/2014 05:15 PM, Daniel Helgenberger wrote:
On 29.10.2014 16:44, Xavier Naveira wrote:
On 10/29/2014 04:29 PM, Xavier Naveira wrote:
On 10/29/2014 04:06 PM, Daniel Helgenberger wrote:
On 29.10.2014 15:57, Xavier Naveira wrote:
On 10/29/2014 03:07 PM, Xavier Naveira wrote:
On
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