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RE: [Xen-devel] [RFC] New shadow paging code

To: "Tim Deegan" <Tim.Deegan@xxxxxxxxxxxxx>
Subject: RE: [Xen-devel] [RFC] New shadow paging code
From: "Puthiyaparambil, Aravindh" <aravindh.puthiyaparambil@xxxxxxxxxx>
Date: Tue, 15 Aug 2006 09:29:41 -0400
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Thread-index: AcbAbi+c9uPfnFTBSkONjPh5qC4KvwAACcqQ
Thread-topic: [Xen-devel] [RFC] New shadow paging code
> At 16:36 -0400 on 13 Aug (1155486984), Puthiyaparambil, Aravindh
wrote:
> > I tried bringing up as many x86_32 UP WinXP domains as I could. I
found
> > that the qemu-dm process associated with each domain took up 50%
cpu.
> 
> Are you auto-ballooing memory from dom0 for these domains?  One
failure
> mode of the memory allocation bug is that there is enough memory to
> start the domain but not enough for qemu-dm to allocate its video
card.
> The domain then falls back to the much more cpu-intensive VGA support.

I booted the system with dom0_mem=512M. So auto-ballooning does not take
place. I noticed that the same thing happens with xen-unstable without
the shadow2 patch.

Aravindh

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