Re: udev-059 and default.hotplug script

[Kay Sievers <kay.sievers@vrfy.org>]

On Sun, Jul 03, 2005 at 12:22:42PM +0200, Marco d'Itri wrote:
> On Jul 02, Kay Sievers <kay.sievers@vrfy.org> wrote:
> 
> > I hope so:
> >   ENV{UDEVD_EVENT}="1", RUN+="/sbin/udev_run_hotplugd"
> > 
> > should prevent the hotplug stuff run, if it's not from the kernel.
> What about other RUN events? Should each one check for $UDEVD_EVENT?

There is no general rule. It depends on your setup and how you organize
things on bootup. SUSE does kernel event-replay from initramfs. udevstart
and coldplug are not used anymore.

udevstart did dev.d/ also with the old udev versions, so only the
hotplug.d/ replacement RUN rules you may disable with matching
$UDEVD_EVENT.

But it may also be possible to modify udevstart to replace coldplug.
Don't know, you may have a better view, if this is possible?

Btw:
The next major udev version will depend on kernel 2.6.12 and will support
fast node creation in the udev daemon itself. _Simple_ rules will be able to
handled by the daemon itself. That will hopefully make event-replay fast
and easy and be a better approach than udevstart and coldplug.

Thanks,
Kay



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