[sane-devel] Canon Lide 110 driver hangs under kernel 3.2

Stef stef.dev at free.fr
Thu May 16 19:29:05 UTC 2013

On 15/05/2013 22:23, Adolf Szabo wrote:
> Hi,
> I used this link, now I have 1.0.24 backend installed, and it got 
> worse: original problem remained, but now I got this:
> aszabo at mepc:/tmp$ scanimage --format=tiff --mode=Color --resolution 
> 300 > a.tiff
> scanimage: unrecognized option '--format=tiff'
> aszabo at mepc:/tmp$ scanimage -V
> scanimage (sane-backends) 1.0.22; backend version 1.0.24
> I would start from the fact that this scanner did work well for a year 
> or so (even with this old backend), then all of a sudden it started 
> misbehaving. Question is what caused it?
> Thx, Dolfy

     I think the version you use was compiled without tiff support. 
Don't use the --format option, then you'll have a pnm file that you will 
be able to transform to tiff (with ppm2tiff for instance). Check you can 
scan several pages, to see if SANE update fixes your problem.
     Telling what went wrong is hard. It could be from kernel, changing 
form libusb to libusb-1.0 to backend itself. Most probably a libusb 
change is the cause, making the backend exhibit a bug.

> On Wed, May 15, 2013 at 10:03 PM, Stef <stef.dev at free.fr 
> <mailto:stef.dev at free.fr>> wrote:
>     On 15/05/2013 21:51, Adolf Szabo wrote:
>         Hi Stef,
>         It is not so easy to install a newer version as Ubuntu 12.04
>         comes with 1.0.22 and there are tons of dependencies too. Can
>         you please identify what went wrong with the current version?
>         Earlier scanning went smoothly, then after a regular software
>         update it stopped working well. I believe it was because of a
>         kernel upgrade, but cannot tell for sure.
>         Thx
>         Hello,
>         1.0.22 is old. Many fixes for the genesys backend were part of
>     1.0.23 release. They are outlined in Changelog-1.0.23 (in SANE's
>     source tree). And they are quite numerous.
>         You may consider compile it by yourself if you are afraid of
>     the dependencies. But I would be surprised that they are that much
>     dependencies, and in this mailing list Rolf Bensch announced last
>     month a PPA tracking current source code:
>     https://launchpad.net/~rolfbensch/+archive/sane-git
>     <https://launchpad.net/%7Erolfbensch/+archive/sane-git>
>     I'm sure you can find something to install that doesn't pull in
>     that many changes.
>     Regards,
>         Stef

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