On Tue, 11 Dec 2007, tj wrote: > I have a Canon FB630U USB scanner I and I am having trouble getting > consistant operation with it on a UHCI system vs an OHCI system both > running Ubuntu 7.10 2.6 kernel.. > > The system that uses the Via chipset exhibits a strange problem. When > you plug in the scanner, or boot witht he scanner already plugged in, > and you try your first scan, either with scanimage or xsane it just > hangs for an indeterminate amount of time. Sometimes it will start the > scan after a minute or two and sometmes it will never start the scan. > Sometimes you can here the scanner "recalibrate", but thne nothing more > happens. Here is what scanimage -L reveals > > $ scanimage -L > device `canon630u:/dev/usb/scanner0' is a CANON Canoscan FB630U flatbed > scanner > > Now I try the same scanner on a Compag system, OHCI, and it works first > time every time. No hesitation. Works perfectly. > > I also have a Slackware 12 installation on the Via UCHI system and it > exibits the exact same problem as the Ubuntu installation. > > So, why is it working on one system and not the other?
There could be hardware issues on the VIA system. Alan Stern ------------------------------------------------------------------------- SF.Net email is sponsored by: Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://sourceforge.net/services/buy/index.php _______________________________________________ Linux-usb-users@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
