[sane-devel] scanimage -L not responding
andrea.vai at unipv.it
Wed Jan 9 19:17:18 GMT 2019
Il giorno mar, 08/01/2019 alle 16.07 +0100, Johannes Meixner ha
> On Jan 8 11:44 Andrea Vai wrote (excerpt):
> > $ lsusb |grep Canon
> > Bus 003 Device 010: ID 04a9:2206 Canon, Inc. CanoScan N650U/N656U
> > $ scanimage -d plustek:libusb:003:010 --format=jpeg -p -v --mode
> > --resolution 150 -x 215 -y 297 > test.jpg
> > does not respond.
> > The same device works on windows, with the same usb port, same
> > and same hardware (well, actually it is a Virtual Machine inside
> > linux box).
> > Also, trying again scanimage -L it hangs for >15 minutes, then I
> > it and try again in Windows it still work :-/
> Nowadays "xhci_hcd" kernel driver/module issues (a.k.a. "USB 3")
> are the most often cause of inexplicable issues with USB scanners,
> and follow the links therein.
Thank you for all the valuable information you provided me. Indeed,
the only definitive solution was to install a PCI USB 2.0 card, and
connect the scanner directly to it.
Thank you very much,
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