On Sun, Feb 24, 2002, Dan Hopper <dbhopper@austin.rr.com> wrote:
> Johannes Erdfelt <johannes@erdfelt.com> remarked:
> > Hmm, that is interesting. I wonder what is going on with it. Are you
> > using the scanner kernel driver?
> 
> Yes.  And sane 1.0.5.  FWIW, the command I'm using that stutters
> with uhci and not usb-uhci is:
> 
> scanimage --mode lineart --resolution 600 -x 203.2 -y 271.0 \
> 	--contrast 0 --brightness 0  > /tmp/copy.pbm
> 
> That results in a 3848837 byte file in about 37 seconds with
> usb-uhci.  Not exactly pushing the USB 1.1 bandwidth.  (unless
> there's a significant discrepancy between the bits coming from the
> scanner and those scanimage dumps to the file, I suppose)

Can you give this patch a whirl? It's relative to 2.4.18-rc2-gregkh-1

JE