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

On Wed, Feb 01, 2006 at 10:58:56AM +0100, Rickard Borgmäster wrote:
> After the hg clone finished, I noticed that 2.6.16-rc1 is the current 
> kernel version. I'm compiling it right now. Do we'll see how it works. 
> Noticed though that your kernel is quite "big", and could be stripped 
> rather much. Don't know how much it will affect speed and memory usage, 
> but it will at least reduce compile time :-)

"big" is relative I guess. :-) That's about as small as it gets for my
purposes (which is testing netfilter modules).

> Anyways, writing this, the compile just finished. Altough... it won't 
> start. xenconsole: Could not read tty from store: No such file or 
> directory. I killed and restarted xenconsoled. And now something else is 
> crashing...

I've never had that error so I'm afraid I can't comment.

> # xm crate -c crab-domU.cfg name=test1
> Using config file "crab-domU.cfg".
> Started domain test1
> #
> xm list only returns Domain-0 :-(

I've had plenty of strange things like this happen when the memory
parameter was border line too small. If it works once though it seems to
work always.

If you want you can post your crab-domU.cfg here. That might shed more
light on the problem. I can try booting my local build of that kernel
config with it too.

> Will try a "normal" 2.6.16-rc1 kernel compile now.

I would imagine that would be a *lot* fatter.

CJ van den Berg


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