[sane-devel] Scanner Lide 210 working with old and bleeding edge distro, but not with current stable distro

[Johannes Meixner]

Hello Sebastian,

On Feb 21 01:43 Sebastian Weber wrote (excerpt):
> Canon LIDE 210 ... genesys backend
...
> So far, I have been using the scanner connected to my PC,
> which did run openSuse 13.2  (And SANE 1.0.24 or .25)
> Now I upgraded to openSuse Leap 42.1 ("stable release"),
> and the scanner does not work. (SANE 1.0.24 and .25)
> However, my laptop runs openSuse Tumbleweed ("bleeding
> edge release"), and the scanner works fine. (SANE 1.0.25)
...
> I tried other USB ports, but the scanner was definitely
> working at them before

I guess "lsusb" and then "lsusb -t" will tell you that
for the USB bus and port where your scanner is connected to
the "xhci_hcd" USB kernel driver (a.k.a. "USB 3") is used.

See
https://bugzilla.suse.com/show_bug.cgi?id=955079#c2
and
https://bugzilla.opensuse.org/show_bug.cgi?id=856794
in particular see
https://bugzilla.opensuse.org/show_bug.cgi?id=856794#c50

Regarding "USB 2" versus "USB 3" see also
http://lists.alioth.debian.org/pipermail/sane-devel/2015-December/034197.html
and
http://lists.alioth.debian.org/pipermail/sane-devel/2015-December/034207.html


Kind Regards
Johannes Meixner
-- 
SUSE LINUX GmbH - GF: Felix Imendoerffer, Jane Smithard,
Graham Norton - HRB 21284 (AG Nuernberg)