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List:       linux-kernel
Subject:    [RFC] UML kernel & rootfs bundle with every kernel release ?
From:       devzero () web ! de
Date:       2007-03-31 22:58:30
Message-ID: 1712880100 () web ! de
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Hello !

i`m not very much into UML for the last months, but while playing around with dm-loop i just got one idea \
i`d like to share.

Whenever you want to test some new kernel (feature), you may put you main system at risk, exactly know \
what you`re doing - or - use UserModeLinux.

The "problem" with UML is:

- you needs to compile an UML kernel first.
- you needs some "basic" knowlege about UML to get things running.
- you need to create an appropriate filesystem image for UML - or find some for download
- you need to copy appropriate kernel modules inside
- you need to put kernel sources inside, have compiler......
- you may need appropriate modle-init-tools,initrd, kernel specific tools (updated dmsetup, \
updated....whatever)

in short: 
it`s quite some work to be done to have your uml 2.6.21 with root-fs up and running and working cleanly.
whenever i search the net for some appropriate UML fs image, those i find are very often old and \
outdated...

is there a project/website which is offering such ready to run "UML kernel+rootfs release bundles" for \
download (i.e. new kernel,generic  root-fs, modules inside, sources inside, compiler inside - in sync \
with the latest stable vanilla) , or , would it make sense to establish such project ? i.e. besides \
releasing the kernel, also releasing sort of a kernel "runtime kit" and/or "devkit" ?

i think this could be very helpful for linux-kernel, because it could be tested by more people more \
quickly, more easily and thus, more often. just download, do few steps for setup, start up that virtual \
machine and there you go testing, hacking into the sources, do all that things you never would do on your \
main system,  whatever....

it would probably also add benefit to UML itself.

does this sound dumb? i don`t know, so please comment.

regards
roland

PS:
ok, this would be some 500M to 1G download, but there`s lot`s of bandwidth today - and \
P2P/Bittorrent..... _______________________________________________________________
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