Re: [Xen-devel] xmp domU migration problem with latest Xen 3.4.1 and linux-2.6.18-xen

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 07/07/2009 18:25, "Denis Chapligin" <chollya@xxxxxxxxxxx> wrote:

> I have two nodes, with two Xeon@#GHz processors without HVM, but with
> EM64T support. Those nodes are running xen-3.4.1-rc hypervisors (i've
> tried both 64 bit and 32 bit versions) and dom0 with latest 2.6.18.8
> kernel from xen's hg repository.
> 
> Also i have a domU with the same 2.6.18.8 kernel, runnig with 'vcpus=2'
> setting in domain config file. domu runs okay, but when i try to
> migrate it to other host (both live and not live), domain disappears.
> Logs show me, that it wasn't restored on the recepient host.
> 
> Here goes some technical info:
> 
> xm dmesg after migration attempt on recepient host:

Probably one host supports NX (No Execute aka eXecute Disable) and the other
doesn't. Try adding the following line to your domain config file:
cpuid=['0x80000001:edx=xxxxxxxxxxx0xxxxxxxxxxxxxxxxxxxx']

 -- Keir



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