[X2Go-Dev] Wrong colors in X2GoClient on Raspberry Pi

Office NextITLevel GmbH office at nextitlevel.de
Wed Apr 15 14:01:59 CEST 2015


Hi Stefan,

I checked my system with x2golistsessions and I get:
29055|fraroot-50-1429097497_stDGNOME_dp24|50|srv01.wearenot.net|R|2015-04-15T13:31:37|fce90bf57015643ac8c7f7e46183688d|88.69.19.123|30003|30004|2015-04-15T13:31:40|fraroot|516|30005|

So for me this is 24bit.  But I am using X2Go only in a window with a resolution of 1440x900.
My x2goclient version is 4.0.3.2-0x2go1.  Full screen does not work with GNOME desktop and
x2goclient on Raspberry.

And here the output from the startup:
NXPROXY - Version 3.5.0

Copyright (C) 2001, 2010 NoMachine.
See http://www.nomachine.com/ for more information.

Info: Proxy running in client mode with pid '2838'.
Session: Starting session at 'Wed Apr 15 13:31:40 2015'.
Info: Using abstract X11 socket in kernel namespace for accessing DISPLAY=:0.
Info: Connecting to remote host 'localhost:31003'.
Info: Connection to remote proxy 'localhost:31003' established.
Info: Connection with remote proxy completed.
Warning: Unrecognized session type 'unix-kde-depth_24'. Assuming agent
session.
Info: Using ADSL link parameters 512/24/1/0.
Info: Using cache parameters 4/4096KB/8192KB/8192KB.
Info: Using pack method '16m-jpeg-9' with session 'unix-kde-depth_24'.
Info: Using ZLIB data compression 1/1/32.
Info: Using ZLIB stream compression 4/4.
Info: No suitable cache file found.
Info: Forwarding X11 connections to display ':0.0'.
Session: Session started at 'Wed Apr 15 13:31:40 2015'.
Info: Established X server connection.
Info: Using shared memory parameters 0/0K.

You can use my X2Go servers on the net to make extra testing.

Is there a way to check the color deepness on the X2Goclient side?

Is there any guideline that says you should use this graphical desktop on
the client and this graphical desktop on the server?

Have a nice day,
Franz Lueckl

Next IT Level GmbH
Paul Tillich Str. 14
60528 Frankfurt
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-----Original Message-----
From: Stefan Baur [mailto:X2Go-ML-1 at baur-itcs.de] 
Sent: Tuesday, April 14, 2015 3:11 PM
To: x2go-dev at lists.x2go.org
Cc: Office NextITLevel GmbH; office at NiuCo.de; Michael DePaulo; Mihai Moldovan
Subject: Re: Wrong colors in X2GoClient on Raspberry Pi

Am 10.04.2015 um 18:38 schrieb Office NextITLevel GmbH:

> the GPU memory is defined in the file /boot/config.txt.  The bios on ARM computers
> is on the boot file system.
> I add here the parameter at the end of the file /boot/config.txt:
> ---------
> gpu_mem=128
> ---------

I added gpu_mem=128 to that file, rebooted, and ...


> I think 128MB is the max, if your system has only 512MB memory.  
> Full HD resolution is 1920 * 1080 = 1,966,080 
> and this number * 24bit colour = 47,185,920.
> 
> I am not an expert with graphics but I think you should have all colors.

... sadly, I'm still getting this:
[   298.790] (==) FBDEV(0): Depth 16, (==) framebuffer bpp 16

I've tried appending the parameter to the existing last line in
config.txt, as well as placing it in a new line.  Same result.

Haven't tried your suggestion "Minibian" yet.

-Stefan

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