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Re: [Xen-users] xm vcpu-set won't add cpu's...

To: Olivier Hanesse <olivier.hanesse@xxxxxxxxx>

From: Kristoffer Egefelt <dr.fersken@xxxxxxxxx>

Date: Thu, 25 Nov 2010 14:25:56 +0100

Delivery-date: Thu, 25 Nov 2010 05:27:09 -0800

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List-id: Xen user discussion <xen-users.lists.xensource.com>

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 > > _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users

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