For information: this issue was due to a HW defect of a PC USB port. Nicolas
Le dimanche 18 mai 2008 ? 17:52 -0700, Brian May a ?crit : > I thought I had done this but I guess not. I plugged the scanner into > the "back" USB ports on the computer and it seems to work fine now. > It was plugged into one on the front of the computer. I have been > using it for 3 days now without any problems. > > Thanks for your help > Brian > > Nicolas <nicolas.martin at freesurf.fr> wrote: > > It looks like the error is trigged outside the pixma backend, > in the usb > low communication level, and maybe in libusb. So could you get > an > additional log file, with much more info concerning sanei_usb. > Run the > following commands, and send me back the log file: > > $ export SANE_DEBUG_SANEI_USB=255 > $ export SANE_DEBUG=255 > $ export SANE_DEBUG_PIXMA=20 > $ scanimage -T 2> /tmp/logfile > > BTW: > did you check other USB communications on your computer ? > tried with MX300 attached to another USB port ? > No prob under Windows ? > What kind of computer do you have ? > > Nicolas > > Le vendredi 16 mai 2008 ? 06:32 -0700, Brian May a ?crit : > > Just for your info. I started the computer today ran the > scanimage -T > > test and here are the results. I did some communication > before it > > errored out. > > > > Nicolas wrote: > > Ok, I'm gonna look at this, it looks like it doesn't > > communicate at all > > on USB (error while writing the first set of data), don't > know > > yet why, > > but will propose you soon a source with more debug traces in > > the USB > > part. > > > > Nicolas > > > > Le jeudi 15 mai 2008 ? 18:14 -0700, Brian May a ?crit : > > > Here is the output: > > > > > > > > > 1) dpkg -l libusb* > > > Desired=Unknown/Install/Remove/Purge/Hold > > > | > > > > > > > Status=Not/Installed/Config-f/Unpacked/Failed-cfg/Half-inst/t-aWait/T-pend > > > |/ Err?=(none)/Hold/Reinst-required/X=both-problems > > (Status,Err: > > > uppercase=bad) > > > ||/ Name Version > > > Description > > > > +++-=============================-========================= > > > ii libusb-0.1-4 2:0.1.12-8 > > > userspace USB programming library > > > ii libusb-dev 2:0.1.12-8 > > > userspace USB programming library development files > > > un libusb0 (no > > > description available) > > > > > > > > > Nicolas wrote: > > > Let's get a bit further into debug. Could you do the > > > following: > > > > > > 1/ post the result of the following command: > > > > > > $ dpkg -l libusb* > > > > > > 2/ enter the following commands, and post as attachment > the > > > resulting > > > file /tmp/mx300.log > > > > > > $ export SANE_DEBUG_PIXMA=20 > > > $ scanimage -T 2> /tmp/mx300.log > > > > > > Nicolas > > > > > > Le jeudi 15 mai 2008 ? 11:32 -0700, Brian May a ?crit : > > > > > > > > I am fairly new to sane and am trying to setup a Canon > > > MX300. I found > > > > a blog that explained how to do it from the latest CSV. > > > Everything > > > > seemed to work. When I do scanimage -L is lists the > > scanner. > > > However > > > > when I do a scanimage -T, I get the error: > > > > scanimage: stepped reading 2 bytes... Fail Error: Error > > > during > > > > device I/O > > > > > > > > I do not know where to proceed from here. (I have ubuntu > > > 8.04) > > > > > > > > Thanks > > > > > > > > > > > > -- > > > > 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 > > > > > > > > > > > > > > > > > > > > > > > > > -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.alioth.debian.org/pipermail/sane-devel/attachments/20080519/fadd70e7/attachment.htm
