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xen-devel
[Xen-devel] Re: Kernel with very low memory requirement (~12MB) for domU
CJ van den Berg wrote:
"big" is relative I guess. :-) That's about as small as it gets for my
purposes (which is testing netfilter modules).
Well, I had a hard time convincing myself that someone would need 802.11
drivers in a domU kernel... ;-)
# 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.
Of course I've tried to adjust the memory parameter so that shouldn't be
the limiting factor. I do of course want to see that the new kernel
will start at all, before trying to get it to boot at ~12MB. However,
even after setting memory to 54 it won't start.
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.
Well... it isn't very sophisticated but here goes:
kernel = "/boot/vmlinuz-2.6.16-rc1-vdberg-xenU"
memory = 54
disk = ['cow:/crab/.xen/crab-domU.cfg 30,hda1,w']
root = "/dev/hda1 ro"
Will try a "normal" 2.6.16-rc1 kernel compile now.
I would imagine that would be a *lot* fatter.
I never did that. Instead, I started over and configured myself a new
2.6.16-rc1 kernel. But... that didn't boot either. Now, I think I have
to try compile a *stock* 2.6.16-rc1 kernel to see if that will boot at
all. Something is wrong.
Oh... just got a thought.. Do the dom0 kernel have to be 2.6.16-rc1
aswell...?
Best regards
Rickard Borgmäster
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