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Summary: smdev is a device manager for the Linux kernel. It manages device nodes in the /dev directory.



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Smdev is simple device manager. It handles device hotplug, module autoloading and managing device nodes. It's alternative to udev, eudev and mdev.


It is recommended to make LiveCD or LiveUSB before rebooting first time with smdev. It is possible that your system goes into unbootable state if something goes wrong. If you wish to remove eudev you should do it after you have made sure everything is working with smdev.

Disable udev USE Flags

First you need to disable udev and gudev use flags.

/etc/portage/make.conf (bash source code)
USE="$USE -udev -gudev"

Configure Input Devices

Then enable keyboard and mouse drivers instead of evdev. For touchpad you can use synaptics driver.

/etc/portage/make.conf (bash source code)
INPUT_DEVICES="keyboard mouse"

Rebuild World

Now you have to rebuild world for new settings to take effect.

# emerge -uavDN @world
# emerge -av --depclean

Emerge smdev

Now you can emerge smdev.

# emerge -av smdev

Configure X.Org

Configure X.Org to use kbd (keyboard) and mouse instead of evdev. Use "InputDevice" instead of "InputClass".

Section "InputDevice"
        Identifier "keyboard0"
        Driver "kbd"
        option "AutoServerLayout" "on"
        Option "XkbLayout" "fi"
Section "InputDevice"
        identifier "Mouse0"
        driver "mouse"
        option "AutoServerLayout" "on"
        option "device" "/dev/input/mice"
Section "InputDevice"
        Identifier "touchpad0"
        Driver "synaptics"
        option "AutoServerLayout" "on"

        Option "HorizTwoFingerScroll" "1"
        Option "VertTwoFingerScroll" "1"

        Option "SoftButtonAreas" "65% 0 0 20% 45% 60% 0 20%"
        Option "AreaTopEdge" "20%"

Add smdev to sysinit runlevel

Now you can add smdev to sysinit runlevel. You also need to remove eudev entries from all runlevels.

# rc-update add smdev sysinit
# rc-update del udev sysinit
# rc-update del udev-mount sysinit
# rc-update del udev-postmount boot