DEBUG_SANE_SANEI_USB is not a proper variable. should be SANE_DEBUG_SANEI_USB
allan On Mon, May 17, 2010 at 9:25 PM, Gernot Hassenpflug <aikishugyo at gmail.com> wrote: > On Tue, May 18, 2010 at 7:14 AM, Kurt Rosenfeld > <hardware at ee.ccny.cuny.edu> wrote: >> Gernot, >> >> This is the stderr output of scanimage with DEBUG_SANE, >> DEBUG_SANE_SANEI_USB, and SANE_DEBUG_DLL all set to 255: >> http://acm.poly.edu/~kurt/scanimage_all255.txt >> >> Here is the stderr output of scanimage -d test >> with SANE_DEBUG_TEST set to 255: >> http://acm.poly.edu/~kurt/scanimage_-d_test.txt >> >> thanks, -kurt >> >> On Mon, May 17, 2010 at 01:09:23AM +0900, Gernot Hassenpflug wrote: >>> Hello Kurt, >>> >>> I am concerned about this part of the log file: >>> >>> [pixma] pixma_open(): Canoscan 8800F >>> [pixma] WARNING:pixma_write(): count(0) != len(16) >>> [pixma] OUT ?T=3.054 len=-1 >>> [pixma] ?00000000:ef 20 00 00 00 00 00 00 ?00 00 00 00 00 00 00 00 >>> [pixma] ? ERROR: EIO >>> >>> It looks as though the scanner is not responding even at the start of >>> the operation. Maybe you can try setting more debug options to 255: > > Hi, looks like exactly the same. I thought we would see the raw USB > operations now but apparently not: what I wanted to see was the USB > attachment and configuration URBs. Since no I/O is possible at all, > maybe the attachment or configuration is not going well. > > Q to the list: Are there any other DEBUG variables that can be set to > see this kind of information? > > Otherwise, I recommend doing a USB snoop on a Windows machine (which I > understand you do not have available) so I can try to see what if any > differences there are to my scanner. No-one else has reported trouble > using the 8800F, but I have no idea if Canon made different variations > that require some tuning of the communication protocol. > > Regards, > Gernot > > -- > sane-devel mailing list: sane-devel at lists.alioth.debian.org > http://lists.alioth.debian.org/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"
