Can't make udev load kernel modules

Can't make udev load kernel modules

[Piter PUNK]

Hi,

	I am using kernel 2.6.15-rc2 and udev-075. I put one little
modified SuSE's boot.udev as rc.udev in my distro and changes all
udev/rules.d by the rules in SuSE's package.

	But i can't make the udev to loads kernel modules. I think
it's only a boot problem, try to play uevent after boot:

	for i in `find /sys -name "uevent"`; do
		echo "add" > $i
	done

	And look with udevmonitor. Many events happens, but no module
are loaded. I recheck the rules dir, the /lib/udev dir and if udev are
running. After almost one hour searching for the bug i try:

	echo "/sbin/hotplug" > /proc/sys/kernel/hotplug
	for i in `find /sys -name "uevent"`; do
		echo "add" > $i
	done

	And look with udevmonitor again. Much more events happens, and
all modules are loaded!

	Obviously i am making some mistake, anyone had one clue what i
miss? Something in kernel? Some obscure udev.conf rule?

				Hope someone can help,

							Piter PUNK


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Re: Can't make udev load kernel modules

[Kay Sievers]

On Mon, Nov 21, 2005 at 04:03:13AM -0200, Piter PUNK wrote:
> Hi,
> 
> 	I am using kernel 2.6.15-rc2 and udev-075. I put one little
> modified SuSE's boot.udev as rc.udev in my distro and changes all
> udev/rules.d by the rules in SuSE's package.
> 
> 	But i can't make the udev to loads kernel modules. I think
> it's only a boot problem, try to play uevent after boot:
> 
> 	for i in `find /sys -name "uevent"`; do
> 		echo "add" > $i
> 	done
> 
> 	And look with udevmonitor. Many events happens, but no module
> are loaded. I recheck the rules dir, the /lib/udev dir and if udev are
> running. After almost one hour searching for the bug i try:
> 
> 	echo "/sbin/hotplug" > /proc/sys/kernel/hotplug
> 	for i in `find /sys -name "uevent"`; do
> 		echo "add" > $i
> 	done
> 
> 	And look with udevmonitor again. Much more events happens, and
> all modules are loaded!

You probably need to tell udev to run modprobe :)
  ACTION="add", ENV{MODALIAS}="?*", RUN+="/sbin/modprobe $modalias"

Kay


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