Hi, On Tue, Jan 21, 2003 at 06:29:25PM +0100, Marcel Pol wrote: > On Tue, 21 Jan 2003 13:14:12 +0100 > Henning Meier-Geinitz <[email protected]> wrote: > > > On Tue, Jan 21, 2003 at 11:06:35AM +0100, Marcel Pol wrote: > > > I currently use Sane 1.0.9, and when I enable all backends it takes a long > > > time to run scanimage -L > > > > That's a known issue of the Linux USB scanner driver. The problem is > > that the scanner driver issues an error for each device file that it > > doesn't know about. Check your syslog. If you have /dev/usb/scanner0 - > > /dev/usb/scanner15 but only one scanner, there will be syslog entries > > for devices 1-15. And this is repeated over and over again for each > > test. Check your syslog. > > > > Fix (downgrade this error to a dbg) is in Linux 2.4.21-pre3. Or get > > the latest code from http://www.meier-geinitz.de/kernel/. > > I'm currently using 2.4.21-pre3, that's what I used this morning also. > I don't have any devices listed under /dev/usb, because Ii use devfs, which > only ceates dev files when devices are there.
I have now changed the way how sanei_usb scans for devices. time scanimage -L is now at 0.8 seconds on a system with devfs. For details, please see my seperate mail to sane-devel about this subject. For a snapshot, see http://www.meier-geinitz.de/sane/snapshots/sane-backends-2003-01-22.tar.gz Bye, Henning
