Re: [Xen-users] Xen dom0 on debian, what is the most recent but stable solution?

[Fantu <fantonifabio@xxxxxxxxxx>]

Thanks for the good reply, yesterday on dell t610 i try xen 4.0.1-rc1 with
kernel 2.6.32.13 pv_ops last build (last commit
f6fe6583b77a49b569eef1b66c3d761eec2e561b) with this config:
http://old.nabble.com/file/p28668520/config-2.6.32.13 config-2.6.32.13 
Boot very long and system useless
Today i have move the same disk to other system not dell, the only problems
see with not dom0_mem=...M and balloning of dom0 is low performance if after
start of some domU dom0 ram go to 1.4gb approximately and freeze of dom0
(calltrace of out of memory, i can't log to this system without SOL) when go
to 900mb approximately with open of another domU
But now with dom0_mem=2048M and dom0 balloning set to no is all ok and good
performance
Can you recommend me good config for do this system working also on dell
server?
Thanks for any reply

Pasi Kärkkäinen wrote:
> 
> On Mon, May 24, 2010 at 11:50:23AM -0400, Mike Viau wrote:
>>    > On Mon, 24 May 2010 15:13:00 +0300 <pasik@xxxxxx> wrote:
>>    >
>>    > Remember Linux 2.6.32 pvops dom0 kernels require at least Xen 4.0 to
>>    work properly.
>>    > Upcoming Xen 3.4.3 will (partly) support pvops dom0 kernels aswell..
>>    >
>> 
>>    Pasi, I thought that the xen 3.4.3 xen hypervisor was supposed to work
>> on
>>    pvops kernels. I had a 2.6.32 pvops kernel working, altough some users
>>    reported problems on the list with this combination. I also believe
>> 2.6.31
>>    pvops was tested to work as well. Personally 2.6.33 pvops is untested.
>> 
> 
> 2.6.31 pvops dom0 doesn't require the new IOAPIC related hypercalls.
> 
> 2.6.32 and newer pvops dom0 kernels require the new IOAPIC hypercalls from
> Xen.
> Xen 4.0.0 was the first one to introduce that hypercall.
> 
> Some of the patches related to it are backported to Xen 3.4.3, but not
> all.
> 
> Based on the various discussion on xen-devel it seems Xen 3.4.3 + 2.6.32
> pvops dom0
> works for some, and doesn't for others.
> 
> It's recommended to use Xen 4.0.0 + 2.6.32 pvops dom0, since that's the
> supported
> and recommended configuration.
> 
> -- Pasi
> 
>>    -M
>> 
>>   
>> --------------------------------------------------------------------------
>> 
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>> 
>> References
>> 
>>    Visible links
>>    1. http://go.microsoft.com/?linkid=9729704
> 
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> 
> 

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