bug#38064: closed (Simple Scan: Scanner is not detected)

[GNU bug Tracking System]

Your message dated Wed, 06 Nov 2019 11:50:44 -0500
with message-id <address@hidden>
and subject line Simple Scan: Scanner is not detected
has caused the debbugs.gnu.org bug report #38064,
regarding Simple Scan: Scanner is not detected
to be marked as done.

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38064: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=38064
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> --- Begin Message ---
>
>
>
> Subject: 
>
> Simple Scan: Scanner is not detected
>
>
>
>
> Date: 
>
> Mon, 04 Nov 2019 18:58:05 -0500
>
>
>
>
> User-agent: 
>
> Zoho Mail
>
>
>
>
> I can't use the scanner because Simple Scan (a.k.a. Document Scanner) does not 
> detect it.
>
>
> ## Steps to reproduce
>
> 1. guix install simple-scan
> 2. Connect the scanner.
> 3. Launch Simple Scan.
> 4. Click the Scan button in Simple Scan.
>
>
> ## Unexpected behavior
>
> In step 3, Simple scan displays the following warning:
>
> ```
> No scanners detected
>
> Please check your scanner is connected and powered on
> ```
>
> In step 4, you see the following message:
>
> ```
> Failed to scan
>
> No scanners available. Please connect a scanner.
> ```
>
>
> ## Expected behavior
>
> * The scanner is detected in step 3 (no warning message is shown).
> * Performing step 4 makes the scanner scan.
>
>
> ## System information
>
> I'm using the Guix System and simple-scan 3.34.1:
>
> ```
> $ LANG=C guix describe
> Generation 5    Nov 04 2019 14:24:15    (current)
>   guix bf7b08c
>     repository URL: https://git.savannah.gnu.org/git/guix.git
>     branch: master
>     commit: bf7b08c4fe7d14c25a83bde99f19eca1119d88ff
> ```
>
>
> ## Additional information
>
> The scanner works. I can use it from a Trisquel 8 Live USB stick, which comes 
> with Simple Scan.
>
> Running simple-scan from a terminal displays the following warnings:
>
> ```
> $ LANG=C simple-scan
>
> (simple-scan:3953): Gtk-WARNING **: 18:42:44.193: Failed to register client: 
> GDBus.Error:org.gnome.SessionManager.AlreadyRegistered: Unable to register 
> client
> ```
>
> ---
> https://sirgazil.bitbucket.io/
>
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> --- End Message ---

--- Begin Message --- Subject: Simple Scan: Scanner is not detected Date: Wed, 06 Nov 2019 11:50:44 -0500 User-agent: Zoho Mail

I'm closing this issue as it was not really a bug in Simple Scan, but a missing service in the system configuration provided by the Guix System installer.

--- End Message ---