Thank you. I shall search in this direction.
Anyway, the computer seems too old to have USB3... (BIOS 2002... ?).
On 02/09/2017 01:49 PM, Johannes Meixner wrote:
Hello,
On Feb 9 12:29 Pierre Couderc wrote (excerpt):
env SANE_DEBUG_DLL=255 scanimage ...
...
[dll] ...
...
Is there a way to have more information...?
See "Trouble-Shooting (Debugging)" at
https://en.opensuse.org/SDB:Configuring_Scanners
FYI:
Nowadays "xhci_hcd" kernel driver/module issues (a.k.a. "USB 3")
are the most often cause of "Error during device I/O", cf.
http://lists.alioth.debian.org/pipermail/sane-devel/2016-November/034901.html
and follow the links therein.
Kind Regards
Johannes Meixner
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