I am having a problem with my Canon FB650U scanner on my VIA chipset 
system. Whenever I plug it in I can detect it with
$ scanimage -L
device `canon630u:/dev/usb/scanner0' is a CANON Canoscan FB630U flatbed 
scanner

However, when I run
$ scanimage -T
Hit CTRL-C
scanimage: received signal 2
scanimage: trying to stop scanner
and it hangs again, so you hit CTRL-C again
scanimage: received signal 2
scanimage: aborting
$

It usually hangs for an indeterminat amout of time. It might scan 
immeadiatly, which is rare, take several minutes to run the test scan, 
or never run, which is the norm.

Once it has run the first time, it works everytime afterward, until you 
unplug/replug it or reboot.

Now the strange thing is this behaviour is the same on three different 
Linux variants.
Slackware 9.0, 2.4 kernel
Slackware 12.0. 2.6 kernel
Ubuntu 7.04/7.10, 2.6 kernel

Now, plug the scanner into a Compaq, ohci, system and there is no delay, 
scanimage -T, xsane, etc  works fine. No delay at all the first time 
after plugging in.

Any ideas on how to fix this?

tj


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