Bug#545314: OK if plugged in after xdm starts

[jidanni@jidanni.org]

Today plugging in the adapter after xdm has started, everything is
hunky dory (OK).

This is what got added to lshal: http://filebin.ca/ytkmmt/haladditions
And this is what got added to Xorg.0.log:
--- /var/tmp/Xorg.0.log	2009-09-11 05:38:35.000000000 +0800
+++ /var/log/Xorg.0.log	2009-09-11 06:26:16.000000000 +0800
@@ -556,0 +557,31 @@
+(II) config/hal: Adding input device Generic USB K/B
+(**) Generic USB K/B: always reports core events
+(**) Generic USB K/B: Device: "/dev/input/event9"
+(II) Generic USB K/B: Found keys
+(II) Generic USB K/B: Configuring as keyboard
+(II) XINPUT: Adding extended input device "Generic USB K/B" (type: KEYBOARD)
+(**) Option "xkb_rules" "evdev"
+(**) Option "xkb_model" "pc101"
+(**) Option "xkb_layout" "us"
+(**) Option "xkb_options" "lv3:ralt_switch"
+(II) config/hal: Adding input device Generic USB K/B
+(**) Generic USB K/B: always reports core events
+(**) Generic USB K/B: Device: "/dev/input/event10"
+(II) Generic USB K/B: Found 10 mouse buttons
+(II) Generic USB K/B: Found x and y relative axes
+(II) Generic USB K/B: Found scroll wheel(s)
+(II) Generic USB K/B: Found keys
+(II) Generic USB K/B: Configuring as mouse
+(II) Generic USB K/B: Configuring as keyboard
+(**) Generic USB K/B: YAxisMapping: buttons 4 and 5
+(**) Generic USB K/B: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200
+(II) XINPUT: Adding extended input device "Generic USB K/B" (type: KEYBOARD)
+(**) Option "xkb_rules" "evdev"
+(**) Option "xkb_model" "pc101"
+(**) Option "xkb_layout" "us"
+(**) Option "xkb_options" "lv3:ralt_switch"
+(**) Generic USB K/B: (accel) keeping acceleration scheme 1
+(**) Generic USB K/B: (accel) filter chain progression: 2.00
+(**) Generic USB K/B: (accel) filter stage 0: 20.00 ms
+(**) Generic USB K/B: (accel) set acceleration profile 0
+(II) Generic USB K/B: initialized for relative axes.