Le jeudi 22 septembre 2011 22:35:09 Uli Fouquet, vous avez ?crit :
> Hi stef,
>
> stef wrote:
> > Le jeudi 22 septembre 2011 11:58:21 Uli Fouquet, vous avez ?crit :
> [snip]
>
> > > root at pu:~# scanimage -L
> > > device `genesys:libusb:002:006' is a Canon LiDE 210 flatbed scanner
> > >
> > > Strange enough: a scan is performed, but the process finishes with a
> > > segfault:
> > >
> > > root at pu:~# /usr/bin/scanimage -v --resolution=150 -l 10 -t 10 -x 100 \
> > >
> > > -y 100 --format=tiff > image.tiff
>
> [snip]
>
> > > Segmentation fault
> > > root at pu:~#
> >
> > Hello,
> >
> > could you enable debug traces with:
> > export SANE_DEBUG_GENESYS=255
> > export SANE_DEBUG_GENESYS_LOW=255
> > export SANE_DEBUG_GENESYS_GL646=255
> > export SANE_DEBUG_GENESYS_GL841=255
> > export SANE_DEBUG_GENESYS_GL843=255
> > export SANE_DEBUG_GENESYS_GL847=255
> > export SANE_DEBUG_GENESYS_GL124=255
> >
> > then run the same scan, redirecting error log:
> > /usr/bin/scanimage -v --resolution=150 -l 10 -t 10 -x 100 \
> > -y 100 --format=tiff > image.tiff 2>debug.log
> >
> > and send the debug log ?
>
> Wow, what a bunch of mysterious symbols ;)
>
> Anyway, the logfile is attached.
>
> Thanks a lot for the quick reply!
Hello,
the log shows that if something happens, it is after sane_cancel is
called. But there is nothing conclusive. I have run my LiDE 110 with the same
parameters without any trouble. The next debugging step is to compile with
full debug symbols and run the scan from a debugger. If your current dir is
'backend', run
gdb ../frontend/.libs/scanimage
then in gdb:
r -v --resolution=150 -l 10 -t 10 -x 100 -y 100 --format=tiff > image.tiff
then we will know for sure where it fails.
Regards,
Stef
