Re: xen/stable-2.6.32.x xen-4.1.1 live migration fails with kernels 2.6.39, 3.0.3 and 3.1-rc2

[Andreas Olsowski <andreas.olsowski@leuphana.de>]

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>>> On Thu, Sep 08, 2011 at 01:32:12PM -0400, Konrad Rzeszutek Wilk wrote:
>>> Oh wait. At some point you said that 2.6.32.43 worked for you.. Is
>>> that still
>>> the case?
I tested 2.6.32.43 and 2.6.32.40 (to be sure) again, they dont work either.


>> Can you please try one thing for me - can you make sure the boxes have
>> exact same
>> amount of memory? You can do 'mem=X' on the Xen hypervisor line to set
>> that.
> Running mem=8g and have turned balooning dom0 off.
>
> multiboot /boot/xen.gz placeholder dom0_mem=8192M
> module /boot/vmlinuz-2.6.32.45-xen0 placeholder
> root=UUID=216ff902-b505-45c4-9bcb-9d63b4cb8992 ro mem=8G nomodeset
> console=tty0 console=ttyS1,57600 earlyprintk=xen
>
>
> For some reason though, the two r610s show:
> root@netcatarina:~# cat /proc/meminfo
> MemTotal: 8378236 kB
> root@netcatarina:~# xl list |grep Domain-0
> Domain-0 0 7445 8 r----- 124304.7
>
> root@memoryana:~# cat /proc/meminfo
> MemTotal: 8378236 kB
> root@memoryana:~# xl list |grep Domain-0
> Domain-0 0 7445 8 r----- 132125.0
>
> wheras the r710:
> root@tarballerina:~# cat /proc/meminfo
> MemTotal: 7886716 kB
> root@tarballerina:~# xl list |grep Domain-0
> Domain-0 0 7221 8 r----- 64497.0
After reboot it went back up to 8378236KB.
I dont understand why the dom0 memory sometimes changes.

The two 32gb PE2950s show   8378236 KB after boot and then drop to sth 
like 6575996 KB.

The R610s stay at 8378236 KB, always.





-- 
Andreas Olsowski
Leuphana Universität Lüneburg
Rechen- und Medienzentrum
Scharnhorststraße 1, C7.015
21335 Lüneburg

Tel: ++49 4131 677 1309


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