You might want to keep the bug around for post-gutsy times.
Looks like the name passed to usb_device_name has changed and it can't
determine bus and device anymore.
This might be caused by using a kernel which was compiled without
CONFIG_USB_DEVICE_CLASS (deprecated option).
I've replaced the rule with one that doesn't use external programs.
/dev/bus/usb looks fine with it and lsusb is happy again.
--- 20-names.rules 2007-10-02 18:45:24.000000000 +0200
+++ /etc/udev/rules.d/20-names.rules 2007-10-02 21:42:45.000000000 +0200
@@ -49,11 +49,8 @@
KERNEL=="timer", NAME="snd/%k"
# USB devices (usbfs replacement), group under /dev/bus/usb
-SUBSYSTEM!="usb_device", GOTO="usb_device_end"
-IMPORT{program}="usb_device_name --export %k"
-ENV{USB_BUS}=="?*", ENV{USB_DEV}=="?*", \
- NAME="bus/usb/$env{USB_BUS}/$env{USB_DEV}"
-LABEL="usb_device_end"
+SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", \
+ NAME="bus/usb/$env{BUSNUM}/$env{DEVNUM}"
# Other USB devices, commonly grouped under /dev/usb
KERNEL=="auer[0-9]*", NAME="usb/%k"
--
No /dev/bus/usb
https://bugs.launchpad.net/bugs/144572
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