https://bugzilla.novell.com/show_bug.cgi?id=210172#c8
Johannes Meixner changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
--- Comment #8 from Johannes Meixner 2007-08-08 01:17:30 MST ---
Very many thanks for comment #7!
(I would have searched for ages until I may have found this reason.)
And this is the matching explanation on the sane-devel mailing list:
http://lists.alioth.debian.org/pipermail/sane-devel/2007-July/019680.html
In openSUSE 10.3 beta1 the issue should be solved in the sane-backends
package via a udev rule file /etc/udev/rules.d/55-libsane.rules
which disables the USB autosuspend feature as described in the
above mail on the sane-devel mailing list.
Therefore I close the report as fixed (in openSUSE 10.3).
For versions before openSUSE 10.3 beta1 you may create
a udev rule file like (see "man udev" for details)
but I didn't test it:
-----------------------------------------------------------------------
ACTION!="add", GOTO="libsane_rules_end"
# Canon CanoScan N670U / N676U / LiDE20
SYSFS{idVendor}=="04a9", SYSFS{idProduct}=="220d", MODE="0664",
GROUP="lp", ENV{libsane_matched}="yes"
# Canon CanoScan LiDE 35 / LiDE 40 / LiDE 50
SYSFS{idVendor}=="04a9", SYSFS{idProduct}=="2213", MODE="0664",
GROUP="lp", ENV{libsane_matched}="yes"
# The following rule will disable USB autosuspend for the device
ENV{libsane_matched}=="yes",
RUN+="/bin/sh -c 'test -e /sys/$env{DEVPATH}/power/level
&& echo on > /sys/$env{DEVPATH}/power/level'"
LABEL="libsane_rules_end"
-----------------------------------------------------------------------
Long lines are wrapped here at " GROUP" and " RUN" and " &&"
in the real file all settings must be on one line.
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