[sane-devel] Testing on Canon MF6580PL

twain43 at hotmail.com twain43 at hotmail.com
Fri Jun 11 09:58:48 UTC 2010

Here's the new log, after recompilation with your hack. 
I attached it all, zipped, since its end looked somewhat promising, to me.  ;)


> Subject: Re: [sane-devel] Testing on Canon MF6580PL
> From: nicolas0martin at gmail.com
> To: twain43 at hotmail.com
> CC: sane-devel at lists.alioth.debian.org
> Date: Thu, 10 Jun 2010 21:45:21 +0200
> I don't know the current status of Darwin libusb against usb interrupts,
> but it used to not support timeouts in older versions, which makes pixma
> backend unusable for some PIXMA models. 
> Looking at the Darwin libusb 1.13 source files, comments show this may
> be working now, but not sure (source code still contains a message about
> timeouts not being supported). 
> Anyway, I added a while back a very ugly hack in the pixma backend, that
> used to work for some PIXMA devices (use a read bulk instead of a read
> interrupt) but it may fail with others. 
> What I can propose to you is to give a try without this hack, to check
> if this is better now with the current Darwin libusb. 
> So please replace your current git file:
> sane-backends/backend/pixma_io_sanei.c with the one I've attached,
> recompile/reinstall, and give another try as you did just previously
> (with the 3 exports statements). 
> And send back the new scanimage.log you'll get.
> Nicolas
> Le jeudi 10 juin 2010 à 09:29 +0000, twain43 at hotmail.com a écrit :
> > Here's the new log, obtained following your instruction.
> > I'm on Mac OS X 10.5.8, Libusb 0.1.13 beta 2009-09-10 (got from TWAIN
> > SANE project page).
> > Crossing my fingers for a miracle....
> > 
> > Twain28
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