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Re: making udev require 2.6.15 kernels

On Fri, Feb 10, 2006 at 01:41:55PM +0100, Sven Luther wrote:
> On Fri, Feb 10, 2006 at 11:27:12AM +0100, Marco d'Itri wrote:
> > On Feb 10, Sven Luther <sven.luther@wanadoo.fr> wrote:

> > > We need something which upgrades seamlessly, and the above solution is not
> > > acceptable for the etch release, as has been said already in the past.
> > This would be nice, but so far nobody has been able to design anything
> > better, myself included.

> Yeah, but more heads together searching actively may find a solution where
> people alone have not.

> More to this later, as i am busy, just a few comments now.

> > > Is it not possible to have a newer udev which is not removing the older udev,
> > > so you have both installed, and the older udev will work with older kernels
> > > and the newer udev will work with newer kernels ?
> > I do not believe that this would be possible, at least for the general
> > case, because the version of udev in stable is almost a different
> > program with different interfaces with other system components.

> Notice, the only case we really have to deal with is the case where the system
> is already running with a 2.6.8 (or random self built) kernel, using the older
> udev, and we are installing a newer kernel and udev.

> The 2.6.8 kernel is already running, and the kernel upgrade needs a reboot
> anyway, so, we only need something that :

>   - don't mess up the currently running stuff, is it possible to have udev
>     installed to take effect after the next reboot, and keep the old udev live
>     until then ? 

>   - installs without trouble.

>   - works fine when the newer kernel is booted into.

 - Doesn't fuck the system if you lose power part-way through the
   dist-upgrade after udev has been unpacked and no newer kernel has been

Steve Langasek                   Give me a lever long enough and a Free OS
Debian Developer                   to set it on, and I can move the world.
vorlon@debian.org                                   http://www.debian.org/

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