Re: [Xen-users] Perfomance decrease after upgrade

[Fantu <fantonifabio@xxxxxxxxxx>]

I have try 2.6.26-xen on the same server (Dell t610) but not boot, i have
also found 1 important bug at reboot with domU active on installation with
xen 3.4 from hg testing how i write in another topic in xen-dev

Pasi Kärkkäinen wrote:
> 
> On Thu, May 20, 2010 at 08:59:04AM -0700, Fantu wrote:
>> 
>> Today i have upgrade one production server from:
>> Hardy 64 bit kernel 2.6.24-xen of ubuntu, xen 3.3 from backports
>> To:
>> Lenny 64 bit kernel 2.6.32 pv_ops from backports, xen 3.4.3 from hg
>> testing
>> 
>> 13 domU windows xp
>> Before update:
>> gplpv 0.9.12pre9 - disk tap:aio
>> After update:
>> gplpv 0.11.0.213 debug - disk file (i not found working solution for
>> blktap
>> problem :( )
>> 
>> Before update on start of system and all domU 20 min for all loading and
>> high load of server but after ok
>> After update on start of system and all domU after 40 min already very
>> high
>> load and not all domU full load
>> 
>> On update i have also change dom0 memory to 768 mb and disable dom0
>> memory
>> balloning
>> 
>> If need more info i do
>> Someone can give me some advice to improve please?
>>
> 
> Try running the old dom0 kernel (2.6.24-xen) with the new hypervisor, does
> that help/fix it?
> 
> If it does, try the Novell forward-ported Xenlinux patches for 2.6.32
> instead of pvops dom0 kernel.
> 
> And let us know how it goes!
> 
> -- Pasi
> 
> 
> _______________________________________________
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> http://lists.xensource.com/xen-users
> 
> 

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