* Gerard Klaver <gerard at gkall.hobby.nl> [071203 18:30]: > On Mon, 2007-12-03 at 11:08 +0100, Johannes Ranke wrote: > > Hi, > > > > My Canoscan LiDE30 used to work nicely under Debian unstable for more > > than a year. Since about half a year it makes problems: If I scan from a > > frontend like quiteinsane, I can select the device (I am using libusb), > > and the frontend pretends to scan, but the scanner does nothing, so I > > end up with a black image. The scanner works under Windows. Last week, > > after I tested under Windows, it worked under Linux, too. > > > > $ scanimage -L > > device `v4l:/dev/video0' is a Noname BT878 video (AVerMedia AVerTV D > > virtual device > > device `plustek:libusb:003:003' is a Canon CanoScan N1240U/LiDE30 > > flatbed scanner > > > > I discovered that I can scan from the command line as normal user: > > > > $ SANE_DEBUG_PLUSTEK=128 scanimage -d 'plustek:libusb:003:003' \ > > > image.pnm \ > > 2> canoscanLiDE30.err > > > > I am attaching the output of this. Graphical frontends still don't work, > > even when specifying the device on the command line for xscanimage, or > > selecting it in quiteinsane. > > > > I also noticed the following dmesg output after trying to scan with > > xscanimage: > > > > usb 3-2: usbfs: interface 0 claimed by usbfs while 'xscanimage' sets > > config #1 > > > > I don't know which (combination of) software is reponsible for the > > problems, otherwise I would file a bug report in the Debian BTS. > > > > My kernel is: > > $ uname -a > > Linux stiller 2.6.20-1-amd64 #1 SMP Tue Apr 24 21:10:58 UTC 2007 > > x86_64 GNU/Linux > > > > Sane version is: > > > > $ scanimage -V > > scanimage (sane-backends) 1.0.18-cvs; backend version 1.0.18 > > > > Best regards, > > > > Johannes > > Add a # before the v4l line in /etc/sane.d/dll.conf > > this will disable the v4l backend and will prevent that your video > device is selected.
Danke, das habe ich probiert - es wird dann zwar nur noch der USB Scanner von scanimage -L aufgef?hrt, aber quiteinsane und xscanimage sind immer noch funktionslos und sprechen den Scanner nicht an. Gru?, Johannes Ranke > > > > -------- > > m.vr.gr. > > Gerard Klaver > -- Dr. Johannes Ranke jranke at uni-bremen.de Key ID: F649AF90 UFT Bremen, Leobenerstr. 1 +49 421 218 63373 D-28359 Bremen http://www.uft.uni-bremen.de/chemie/ranke
