On Wed, Aug 24, 2005 at 05:36:43PM +0200, martin f krafft wrote:
> I have two comments: udev is a device node manager, not a hook
> system for generic actions to be taking when a device is plugged or
> unplugged. RUN rules kinda make this possible, but udev is on the
> right track of doing the wrong thing (i.e. too much).
Well, I have a different view: udev is a program to receive kernel
events and evaluate/execute different rules based on the event, and it
comes with a default ruleset to manage /dev nodes. hotplug is a
program to receive kernel events and has a hardcoded way to execute some
scripts based on these events.
So IMHO udev is more generic than hotplug.
> The other comment is that udev is not generally accepted. A lot of
> people still have reservations about it.
I think the reason is that udev is still under rapid development and
people are only starting to explore the flexibility it provides.
> Moreover, several setups
> cannot be migrated to udev just like that, including 2.4 kernels,
The question is will etch support 2.4 kernels out-of-the-box or not?
If it will, then it is indeed a problem; otherwise it is just to be
mentioned in the release notes.
> but also machines with devices not supporting the new kernel driver
> model (e.g. commercial drivers).
As I see many Linux distributions are starting to use udev so commercial
drivers will have to catch up in the not-so-distant future. Also, there
are some quite easy workarounds (like creating device nodes in an init
script) for most of the drivers.
> Using udev is a decision that
> affects large other parts of the system and may break it.
Yes, that's true. It has a lot of potential however that may worth some
breakage, especially since we are quite early in the release cycle.
Gabor
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MTA SZTAKI Computer and Automation Research Institute
Hungarian Academy of Sciences
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