I have a Trust media center keyboard with builtin trackball. After a
reboot, suddenly the trackball responded very sluggish, like with a
ball-mouse (not optical I  mean) with dirty wheels inside. But it
couldn't be dirty yet, it is brand new. I noticed earlier that usbview
did not work, but used to under Gutsy. I mounted the /proc/bus/usb
filesystem, with mount -t usbfs procbususb /proc/bus/usb and instantly
the trackball is working again. Usbview too.

Whatever the thinking is about /proc/bus/usb, the change that was made
to it broke my mouse (well trackball) and probably breaks the X window
experience for lots of Gutsy users.

Also there should be a better program than just usbview in Gnome to work
with usb devices. usbview is very limited. And ugly.

-- 
Could not open /proc/bus/usb/devices
https://bugs.launchpad.net/bugs/156085
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