t2000kw:
Your Canon LiDE25 (it might have an additional name) is already on the list.

Anyone new to this bug:
It is important that people with a problem test that doing
sudo echo -1 > /sys/module/usbcore/parameters/autosuspend
on Gutsy (using a live CD (http://cdimage.ubuntu.com/daily-live/current/ ) if 
you don't want to install it) _actually solves_ the issue they are seeing. It's 
no good having your device added to the quirks list because it was broken in 
Feisty and then finding there some other problem was preventing your device 
from working (or worse, that a workaround had been added in Gutsy that means 
your device doesn't need blacklisting)...


I'm again going to appeal to someone for information on which types of USB 
device are worth testing and additionally what the signs are that a given 
device has failed? I work in a University and if someone can give me a 
reasonable subset (as time is limited and lots of this equipment will have to 
be borrowed) I will try and test all the devices I can lay may hands on. 
However I need to know what failure mode I'm looking for on a given device and 
how to activate it...

(Previous comment on this was https://bugs.launchpad.net/ubuntu/+source
/linux-source-2.6.20/+bug/85488/comments/331 )

-- 
some usb_devices fault if usb_suspend enabled
https://bugs.launchpad.net/bugs/85488
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