[CentOS] No debuginfo for Centos 6?

On 07/30/2011 01:03 PM, Dennis Jacobfeuerborn wrote:
> On 07/30/2011 06:37 AM, Pasi Kärkkäinen wrote:
>> On Fri, Jul 29, 2011 at 08:07:38PM +0200, Dennis Jacobfeuerborn wrote:
>>> Hi,
>>> I'm trying to use oprofile to debug a problem with idle virtual machines
>>> eating 10% cpu but apparently the debuginfo packages for Centos 6 do not
>>> exist and so I cannot get any useful information from the kernel.
>>> Is there some way to at least get the kernel-debuginfo from somewhere?
>>>
>>
>> If those VMs are el5 then try adding "divider=10" for their kernels.
>
> It's a Centos6 "minimal" guest on a Centos 6 "Desktop" host so technically
> this shouldn't be needed but I tried it anyway without effect. I also
> removed the NIC and tried playing with the APIC/ACPI settings but this
> doesn't seem to matter either. I filed a bug here:
>
> http://bugs.centos.org/view.php?id=5028
>
> According to toracat he sees this also on RHEL6 and SL6 which has me
> worried because if this is really a Problem upstream that hasn't been
> addressed yet then I'm not sure how I can justify using Centos 6 as a
> virtualization platform. 10% of wasted resources per VM is simply not
> acceptable when you run more than one guest on a system.

Just a heads up: The problem is the tablet device.
Once you remove that from the guest the CPU usage returns to normal.

Regards,
   Dennis