[sane-devel] blank page scanned with CanoScan LiDE25

m. allan noah kitno455 at gmail.com
Tue Oct 21 13:39:43 UTC 2008

gentlemen- we have led YP astray. It seems that recent Ubuntu and
Fedora no longer install udev rules, but rather, use ConsoleKit and
hal to manage device access.

look around in /usr/share/hal/fdi for some sort of libsane.fdi file.
Verify that the scanner's usb vendor and device ids are in that file.
If they are, then perhaps the hal fdi cache is corrupt, see ubuntu bug
#211708 for a possible fix.


On Tue, Oct 21, 2008 at 9:25 AM, Gerhard Jaeger <gerhard at gjaeger.de> wrote:
> On Tuesday 21 October 2008 15:14:02 Y P wrote:
>> Hi,
>> On Tue, Oct 21, 2008 at 12:55:11PM +0000, g wrote:
>> > Hash: SHA1
>> >
>> > Y P wrote:
>> > > I added myself to the group scanner but it doesn't seem to resolve the
>> >
>> > is re-logging system or reboot required for group assignment?
>> Well, today is another day, and today I'm still unable to scan without being
>> sudo, so rebooting or completely restart the pc doesn't fix the problem.
>> That means it is really a perm problem.
>> > ria, a couple years back, when using mandrake, i had to do one or other
>> > to get into scanner group.
>> As said, I added myself to scanner, but i am wondered to see sighted persons
>> who doesn't had that problem from within Gnome/Xsane: in my case I have to
>> fix it for the console.
>> But note taht on a remove pc (Feisty) my partner does uses her scanner as
>> well graphically as under console, without having to become sudo.
> I'm not for Ubuntu, but for SuSE, I simply tweaked
> /etc/udev/rules.d/50-udev-default.rules
> # libusb device access
> SUBSYSTEM=="usb", ACTION=="add", ENV{DEVTYPE}=="usb_device", NAME="bus/usb/$env{BUSNUM}/$env{DEVNUM}", MODE="0666"
> something similar should be possible for Ubuntu too.
> Gerhard
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