Re: [Xen-users] Problems migrating DomUs in 4.4

[Agustin Lopez <Agustin.Lopez@xxxxx>]

Answer to myself.

Ok, I think of the problem arise when I create a domU in a dom0 with 
NUMA architecture and migrate to non NUMA dom0.
Any pointer to resolve it?

Thanks,
Agustin

El 04/11/2015 a las 16:31, Agustin Lopez escribiÃ:
> Hello!
>
> I am testing Xen 4.4 and xl with Debian Jessie systems.
>
> In 4.1, I could migrate domus between dom0 without problems (pv and hvm).
> Now, with 4.4, the migrating process with xl it is frustrating.
>
> First, I got the next error:
>    xc: error: Couldn't set eXtended States for vcpu0 (22 = Invalid 
> argument): Internal error
> After read some docs, I had set in the domu cfg the next:
>    cpuid = 'host,xsave=0'
>
> With this, the domu appears that is migrated. But in the next dom0, 
> the domu get kernel errors and do not work:
> [   48.786638] xen:grant_table: Grant tables using version 1 layout
> [   48.786638] Using NULL legacy PIC
> [   48.786614] PM: noirq restore of devices complete after 0.118 msecs
> [   48.786614] PM: early restore of devices complete after 0.052 msecs
> [   48.794780] invalid opcode: 0000 [#1] SMP
> [   48.794790] Modules linked in: xfs libcrc32c xen_netfront 
> xen_blkfront crct10dif_pclmul crct10dif_common crc32c_intel
> [   48.794808] CPU: 1 PID: 2236 Comm: kworker/1:2 Not tainted 
> 3.16-3-amd64 #1 Debian 3.16.5-1
> [   48.794823] Workqueue: events linkwatch_event
> ................
>
> In both directions, in that hardware, the live migrating  process was Ok.
> Now, I can not get work.
>
> Any pointer, please.
>
>
> PS: the hardware for two dom0s is:
>
> processor       : 0
> vendor_id       : GenuineIntel
> cpu family      : 6
> model           : 23
> model name      : Intel(R) Xeon(R) CPU           E5405  @ 2.00GHz
> ...
>
> processor       : 0
> vendor_id       : GenuineIntel
> cpu family      : 6
> model           : 62
> model name      : Intel(R) Xeon(R) CPU E5-2650 v2 @ 2.60GHz
> ....
>
>
> Regards,
> AgustÃn

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