X2Go Bug report logs - #724
Scanning does not work over romote-desktop session with sane

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From: owner@bugs.x2go.org (X2Go Bug Tracking System)
Subject: Bug#724 closed by Stefan Baur <X2Go-ML-1@baur-itcs.de> ()
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References: <54AE9458.3010709@baur-itcs.de>
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X-X2go-PR-Message: they-closed 724
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Date: Thu, 08 Jan 2015 14:35:02 +0000
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This is an automatic notification regarding your Bug report
which was filed against the x2goserver-xsession package:

#724: Scanning does not work over romote-desktop session with sane

It has been closed by Stefan Baur <X2Go-ML-1@baur-itcs.de>.

Their explanation is attached below along with your original report.
If this explanation is unsatisfactory and you have not received a
better one in a separate message then please contact Stefan Baur <X2Go-ML-1@baur-itcs.de> by
replying to this email.


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X2Go Bug Tracking System
Contact owner@bugs.x2go.org with problems

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From: Stefan Baur <X2Go-ML-1@baur-itcs.de>

To: control@bugs.x2go.org

Date: Thu, 08 Jan 2015 15:29:44 +0100

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close 724
thanks

- -- 
BAUR-ITCS UG (haftungsbeschränkt)
Geschäftsführer: Stefan Baur
Eichenäckerweg 10, 89081 Ulm | Registergericht Ulm, HRB 724364
Fon/Fax 0731 40 34 66-36/-35 | USt-IdNr.: DE268653243
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From: Andreas Glaeser <bugs.andreas.glaeser@freenet.de>

To: submit@bugs.x2go.org

Subject: Scanning does not work over romote-desktop session with sane

Date: Thu, 8 Jan 2015 09:04:48 +0100

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Package: x2goserver-xsession 
Version: 4.0.1.18-0x2go1+git20141006.949+wheezy.main.1

simple-scan does not work over x2go-remote-desktop session.
See there: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=761398

It is most probably a problem with user-rights and and with the sane-backend.
When trying to scan, it looks like this on the terminal:

andreas@md-ho:~$ simple-scan
p11-kit: invalid config filename, will be ignored in the
future: /etc/pkcs11/modules/gnome-keyring-module

** (simple-scan:23088): WARNING **: scanner.vala:801: Unable to get open device: Access
to resource has been denied

xsane says: 'Failed to open device 'pixma:04A9172B': Access to resource has been dnied.

But scanning works, when there is a local session running on the machine (i.e. the
remote-desktop server) from the same user.

Normally this is no problem at all for thin-clients, because they do not have a scanner
connected to the desktop-server. But in my case it is a problem. I also do acknowledge
that not many people do have this problem, so it is severity 3 only.

Please let me know, if I should rather report this against the sane-backend.

There is the original report:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=774830

> Package: x2goserver-xsession             
> New: yes
> State: installed
> Automatically installed: no
> Version: 4.0.1.18-0x2go1+git20141006.949+wheezy.main.1
> Priority: optional
> Section: x11
> Maintainer: X2Go Developers <x2go-dev@lists.berlios.de>
> Architecture: all
> Uncompressed Size: 80.9 k
> Depends: x2goserver (>= 4.0.1.18-0x2go1+git20141006.949+wheezy.main.1), x2goserver (<
>          4.0.1.18-0x2go1+git20141006.949+wheezy.main.1.1~), x11-common
> Description: X2Go server daemon scripts (Xsession runner)
>  X2Go is a server based computing environment with 
>  * session resuming 
>  * low bandwidth support 
>  * session brokerage support 
>  * client-side mass storage mounting support 
>  * client-side printing support 
>  * audio support 
>  * authentication by smartcard and USB stick 
>    
>  This X2Go server add-on enables Xsession script handling when starting desktop sessions
>  with X2Go. 
>  
>  Amongst others the parsing of Xsession scripts will enable desktop-profiles, ssh-agent
>  startups, gpgagent startups and many more Xsession related features on X2Go session
>  login automagically.
> Homepage: http://code.x2go.org/releases/source/x2goserver

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