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xen-devel
Re: [Xen-devel] Para-Virt DomU + HVM DomU with xen 4.1.1 & linux 3.0.6 l
On 14/10/2011 15:00, Konrad Rzeszutek Wilk wrote:
> On Fri, Oct 14, 2011 at 02:35:13PM +0100, Anthony Wright wrote:
>> I have xen 4.1.1 running with a 3.0.6 linux kernel, both 32 bit.
>>
>> If I run 2 x para-virtualized DomUs they run fine. If I run 2 x HVM
>> DomUs they run fine. If I run 1 x para-virtualized and 1 x HVM DomU (it
>> doesn't matter which one is run first & which second), the system locks
>> up just after I start the second DomU.
> Locks up you say? When you launch the second guest, can you
> also run 'while (true); do; xl list; sleep 1; done' to see if the memory
> for Dom0 is going down to unreasonable amount?
It behaves as if it's run out of memory as you say, but I did 'while
true; do; xl list; sleep 0.2 ; done' on one session while I started the
other DomU, and the system locked so quickly that the xl list didn't see
any drop in Dom0 memory or the DomU even start.
I have given Dom0 1000MB, and the HVM DomU also uses 1000MB (though it
gets reported as 995MB). The para-virtual DomU uses 2000MB, and the
machine has 8GB. Before I start the para-virtual DomU the commited
AS_limit is around 141MB
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