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[RFC] Getting rid of devfs in D-I

From: Frans Pop <elendil(at)planet.nl>
Date: Thu Jun 28 2007 - 21:46:03 EDT

During Debconf Jérémy Bobbio (Lunar) and I had a look at what is needed to get rid of the devfs device names in the installer. It turned out that this is actually very little, mostly thanks to all the work already done by Colin.
The result can be found on:
http://wiki.debian.org/DebianInstaller/RemoveDevFS

We have successfully run test installs with both newt and gtk frontends for i386; other architectures are currently untested.

At a D-I team meeting during DebConf we decided that it makes sense to make the switch as soon as possible with the following plan:

Upload a fixed rootskel.
Submit patche for udev with necessary changes (see wiki page).
As soon as udev has been uploaded, upload busybox with devfs support disabled.

As there will probably be some time before an arch has both the new udev and busybox, daily builds may be broken for a few days.

4) Get all porters to test the installer

As not all architectures have been explicitly tested, there may be some cases where regular device names are not fully supported yet. According to Colin, everything should just work though.

5) After some period to make sure there really are no unexpected

regressions, start cleaning up all code that uses devfs device names. This can happen gradually; cleaned up versions should be tested before they are uploaded.

Do you need help?

Comments welcome.

Cheers,
FJP

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