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xen-users
Re: [Xen-users] xm vcpu-set won't add cpu's...
I just tried compiling xen-4.0-testing.hg - same issue...
Any hints? :-)
On Wed, Nov 24, 2010 at 1:08 PM, Olivier Hanesse
<olivier.hanesse@xxxxxxxxx> wrote:
> Hello,
>
> On my debian squeeze, I think I got the same issue.
> Starting a server with 4 vcpus (vcpus=4 in config file), I can "vcpu-set" 2
> vcpus for this server successfully, but I can't rollback to 4 vcpu.
>
> Xend Log file says :
>
> [2010-11-24 13:01:23 19542] INFO (XendDomainInfo:1987) Set VCPU count on
> domain testvm to 2
> [2010-11-24 13:01:48 19542] INFO (XendDomainInfo:1987) Set VCPU count on
> domain testvm to 4
>
> But cpus are offline in domU/paused in dom0.
>
> I also got the "XENBUS: Unable to read cpu state" error.
>
> Regards
>
> Olivier
>
> 2010/11/24 Kristoffer Egefelt <dr.fersken@xxxxxxxxx>
>>
>> Hi list,
>>
>> I'm trying out Debian Squeeze with XEN 4.0.1 on a Dell m610 blade.
>> Everything is installed from the squeeze repository, except the dom0
>> kernel, which would not boot on the m610, so I compiled 2.6.32.25 from
>> jeremy 11/11-2010.
>> (http://git.kernel.org/?p=linux/kernel/git/jeremy/xen.git;a=summary)
>>
>> Everything looks good, except these messages, which I've not been able
>> to explain:
>>
>> [ 16.651781] XENBUS: Unable to read cpu state
>> [ 16.651968] XENBUS: Unable to read cpu state
>> [ 16.652156] XENBUS: Unable to read cpu state
>> etc...
>>
>> Removing cpu's work, but when I try to add cpu's:
>>
>> root@node0106:/# xm vcpu-set 15 15
>> [2010-11-24 12:22:49 26321] INFO (XendDomainInfo:1987) Set VCPU count
>> on domain squeezetest01 to 15
>>
>> but cpu's are still in paused mode:
>>
>> Name ID VCPU CPU State Time(s) CPU
>> Affinity
>> squeezetest01 15 0 12 -b- 18.9 any cpu
>> squeezetest01 15 1 4 -b- 0.6 any cpu
>> squeezetest01 15 2 6 -b- 0.9 any cpu
>> squeezetest01 15 3 15 -b- 0.8 any cpu
>> squeezetest01 15 4 8 -b- 0.8 any cpu
>> squeezetest01 15 5 - --p 0.1 any cpu
>> squeezetest01 15 6 - --p 0.1 any cpu
>> squeezetest01 15 7 - --p 0.1 any cpu
>>
>> This also shows on the VM:
>>
>> root@squeezetest01:~# cat /sys/devices/system/cpu/offline
>> 5-14
>>
>> On the VM I've tried both the stock squeeze kernel
>> linux-image-2.6.32-5-xen-amd64 and jeremys 2.6.32.25 - both have this
>> problem.
>>
>> Any ideas are greatly appreciated! ;-)
>>
>> Regards
>> Kristoffer
>>
>> _______________________________________________
>> Xen-users mailing list
>> Xen-users@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-users
>
>
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