[wellylug] usb behavior

Christian Gagneraud chgans at gna.org
Wed Apr 2 14:39:35 NZDT 2014


On 02/04/14 14:32, E Chalaron wrote:
> Hi all
>
> I am facing something new (to me)
>
> I got an Epson scanner flatbed etc ..; supported by xsane 32 bits libs +
> firmware from the windows install disc (esfw52.bin)
> I got it to work flawlessly on a Debian stable machine.
>
> I moved it to an Opensuse 13.1, for various reasons, got it to work too.
>
> However I am facing 2 problems :
>
>  1. Starting xsane as user sends me back insufficient rights .. despite
>     adding user as a member of the scanner group.
>  2. Ok let's run it as root in the meantime : all work but only for a
>     bit. if I leave it inactive for too long, that's it ! the scanner
>     seems to have disappeared as if there was a time out or something.
>
>
> Coincidentally I do have the same issue with my wireless keyboard, if I
> leave it for a bit it takes a bit of time for, let's say, write
> something in a terminal.
>
> So ... my questions are  :
>
>   * Why as added to the scanner group I can't get the rights to use the
>     scanner ?
>   * How is the usb managed with 3.11.10-7-desktop ? or is it a UEFI
>     thing that gets in my way ?

You might be able to disable UEFI in your BIOS and see if it makes a 
difference.

Chris

>
>
> As I mentioned before works like a treat under Debian Stable. But that
> is beside the point, I want to understand what is happening
>
> Many thanks
> E
>
>
>
>



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