Hello,
On Oct 21 21:32 Olaf Meeuwissen wrote (excerpt):
Alessandro Zummo writes:
There's probably still some bug in the usb code. I have
intermittent results with some scanners on usb2
and with others on usb3. switching among the two usb
standards solves them all.
I'm curious about USB related issues that other backends
are facing that might be solved by switching to libusb-1
as the default.
At openSUSE we use libusb-1 since openSUSE 12.2
(i.e. we use libusb-1 since about April 2012)
via "configure --enable-libusb_1_0".
I am not aware of issues because of this.
Regarding USB 3, see
https://bugzilla.opensuse.org/show_bug.cgi?id=856794
Summary:
It seems one needs a very current kernel for USB 3.
For me kernel 4.1.6 did not work with sane-backends-1.0.25.
For me kernel-vanilla-4.3.rc5 works where it seems
the xhci USB driver is now at least somewhat fixed.
But I needed additionally the workarounds for
the broken xhci driver in sane-backends-1.0.25
i.e. sane-backends-1.0.24 did not work for me
with kernel-vanilla-4.3.rc5, see
https://bugzilla.opensuse.org/show_bug.cgi?id=856794#c28
Kind Regards
Johannes Meixner
--
SUSE LINUX GmbH - GF: Felix Imendoerffer, Jane Smithard,
Graham Norton - HRB 21284 (AG Nuernberg)
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