[sane-devel] Problem with CanoScan N656U & Mac OS X 10.3.3

Onizuka onizuka6@katamail.com
Tue, 6 Apr 2004 10:09:11 +0200


>Hi!
>
>I have been looking into this issue last weekend. A backtrace shows 
>that the process hangs on the read call in sane_read in the plustek 
>backend:

....

>It should be possible to fix this by closing the filedescriptors at 
>the end of the reader thread, e.g. by applying the following patch. 
>(Has not been tested yet, but please do.) If it works it should go 
>into the CVS.
>
>	Mattias

Hi!
Thank you for the help!
After patching and rebuilding plustek.c scanimage hangs no more... so 
I guess one problem is solved :-)
Now the problem is an I/O error:

XS206:~ onizuka$ scanimage > prova.pnm
scanimage: sane_read: Error during device I/O
XS206:~ onizuka$

I ran again scanimage with debug set to 255 and the output 
(gzip/uuencoded) is below

	Gianfranco


XS206:~ onizuka$ uuencode -m debug.sane.gz debug.sane.gz
begin-base64 644 debug.sane.gz
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XS206:~ onizuka$