[Xen-devel] Re: Kernel with very low memory requirement (~12MB) for domU

[Rickard Borgmäster <doktorn@xxxxxx>]

CJ van den Berg wrote:
> On Fri, Feb 03, 2006 at 02:56:34PM +0100, Rickard Borgmäster wrote:
>
> > hg clone http://xenbits.xensource.com/linux-2.6-xen.hg
> > cd linux-2.6-xen.hg
> > cp ~/config-vandenberg .config
> > make
> > cp vmlinuz /boot/vmlinuz-2.6.16-rc1-xenU
> > cp System.map System.map-2.6.16-rc1-xenU
> > xm create -c /crab/.xen/crab-domU.cfg
> > 
> Just to be certain I followed these exact steps, except of course that I
> used my own config instead of crab-domU.cfg, including pulling a completely
> new clone. It builds and boots just fine, although it won't run with
> memory=10 anymore. It now only works from memory=12 up. If you want I can
> send you the built kernel in a private mail.
Please do, reply to my private email in the header. If it boots on 12 it 
 is good enough for me. But I could probably strip it further to make 
sure it would fit a smaller memory footprint.
> > disk = ['cow:/crab/.xen/crab-domU.cfg 30, hda1,w']
> > disk = ['file:/crab/.xen/crab-domU.cfg, hda1,w']
> And this definitely must be wrong.
s/cfg/img :-)

I wonder if there is something else on the system that produces broken 
kernels. Bad compiler or mismatched libraries.
I guess I do not need xen installed to compile the kernel, right? Maybe 
I should try to ssh to my home machine (which I know is 100% fine) and 
compile on that. It it also faster..
But anyways, please send me the binary kernel and the system.map and I 
will test it.
Thanks!

Rickard Borgmäster


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