ah- and between those two versions, there were very few changes. In particular, there was a change to the 2580 code to deal with its padding of the back side of the image. Are you able to recompile sane-backends from source? If so, perhaps we can try a test.
allan On Fri, May 24, 2013 at 12:15 PM, Carl Davis <carl at carldavis.com> wrote: > Hopefully this is what you are seeking. > > 1.0.22 works > 1.0.23 fails > > > On Fri, May 24, 2013 at 10:50 AM, m. allan noah <kitno455 at gmail.com> wrote: >> >> Yes- i think there is some problem with the calibration code on these >> machines, at higher resolutions the calibration is done differently >> than in lower resolutions. Perhaps the old version of the code did >> different calibration. How about telling which version of >> sane-backends is in use on your two systems? >> >> allan >> >> On Fri, May 24, 2013 at 11:05 AM, Carl Davis <carl at carldavis.com> wrote: >> > Hello, >> > >> > I have a Canon DR-2580C. If I scan at anything above a ?resolution of >> > 240 my >> > attempted scan fails with: >> > >> > "scanimage: open of device canon_dr:libusb:001:012 failed: Invalid >> > argument" >> > >> > This problem does not exist on 12.04(1.0.22-7ubuntu1) but does on 12.10 >> > and >> > 13.04 (1.0.23-0ubuntu1). I have run: >> > >> > "SANE_DEBUG_CANON_DR=30 scanimage --resolution=300 > 2580-1.pnm >> > 2>2580-13.04.log" >> > >> > and attached the log file to this email. I have also run the same >> > command on >> > 12.04 (which succeeds) but it is 8MB bzipped so I won't attach it to >> > list >> > mail unless requested. >> > >> > >> > Thanks, >> > >> > Carl >> > >> > >> > >> > -- >> > sane-devel mailing list: sane-devel at lists.alioth.debian.org >> > http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/sane-devel >> > Unsubscribe: Send mail with subject "unsubscribe your_password" >> > to sane-devel-request at lists.alioth.debian.org >> >> >> >> -- >> "The truth is an offense, but not a sin" > > -- "The truth is an offense, but not a sin"
