X2Go Bug report logs - #842
Wrong colors in X2GoClient on Raspberry Pi

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Message #5 received at submit@bugs.x2go.org (full text, mbox, reply):

From: Stefan Baur <x2go-ml-1@baur-itcs.de>

To: submit@bugs.x2go.org

Cc: technik@niuco.de, office@NiuCo.de, Michael DePaulo <mikedep333@gmail.com>, Mihai Moldovan <ionic@ionic.de>

Subject: Wrong colors in X2GoClient on Raspberry Pi

Date: Fri, 10 Apr 2015 11:51:29 +0200

package: x2goclient
version: 4.0.3.2-0x2go1

Hi,

When starting X2GoClient in fullscreen mode on a Raspberry Pi (running
Raspbian 7.8), the X2GO logo that appears on the black startup screen is
shown in green rather than in the usual grey.

Also, when running LibreOffice Impress, things look OK while composing a
presentation, but switching to presentation mode, the colors are wrong
again.

This may be related to a color depth setting somewhere? IDK. Would love
to hear other people's ideas and opinions as to how to find out what's
going wrong.
A sample system where we can try out things is available, it has been
donated to the project by the Niuco company.


-Stefan

Message #10 received at 842@bugs.x2go.org (full text, mbox, reply):

From: Michael DePaulo <mikedep333@gmail.com>

To: 842@bugs.x2go.org

Subject: Some Info

Date: Fri, 10 Apr 2015 08:05:13 -0400

[Message part 1 (text/plain, inline)]

Some info to help people debug this:

I have attached the logo file, x2go.xpm

It was introduced on 2012-01-11 as part of a patch file in this commit:
http://code.x2go.org/gitweb?p=nx-libs.git;a=commitdiff;h=405bc8f259f230947e5fe8341f0bab8f0f88c678

That patch file has since been renamed 2 times, but it the logo has
never changed.

It is displayed by nx-X11/programs/Xserver/hw/nxagent/Display.c :
http://code.x2go.org/gitweb?p=nx-libs.git;a=blob;f=nx-X11/programs/Xserver/hw/nxagent/Display.c;hb=refs/heads/3.5.0.x

which we apply the aforementioned patch to:
http://code.x2go.org/gitweb?p=nx-libs.git;a=blob;f=debian/patches/0201_nxagent_set-x2go-icon-if-x2goagent-flavour.full.patch;hb=refs/heads/3.5.0.x

-Mike#2

[x2go.xpm (image/x-xpixmap, attachment)]

Message #15 received at 842@bugs.x2go.org (full text, mbox, reply):

From: Michael DePaulo <mikedep333@gmail.com>

To: 842@bugs.x2go.org

Subject: Clarification

Date: Fri, 10 Apr 2015 08:16:55 -0400

Clarification about my last email:
x2go.xpm exists on the X2Go server, not the X2Go client.

Message #20 received at 842@bugs.x2go.org (full text, mbox, reply):

From: Michael DePaulo <mikedep333@gmail.com>

To: 842@bugs.x2go.org

Subject: Wrong file

Date: Fri, 10 Apr 2015 08:39:08 -0400

My bad. x2go.xpm is the wrong file.

Message #25 received at 842@bugs.x2go.org (full text, mbox, reply):

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

To: 842@bugs.x2go.org

Cc: Mihai Moldovan <ionic@ionic.de>, office@NiuCo.de, technik@niuco.de

Subject: Re: [X2Go-Dev] Bug#842: Wrong colors in X2GoClient on Raspberry Pi

Date: Fri, 10 Apr 2015 14:53:47 +0200

[Message part 1 (text/plain, inline)]

Am 10.04.2015 um 11:51 schrieb Stefan Baur:

> This may be related to a color depth setting somewhere? IDK. Would love
> to hear other people's ideas and opinions as to how to find out what's
> going wrong.
> A sample system where we can try out things is available, it has been
> donated to the project by the Niuco company.

I just checked the color depth of the X2Go session on the Pi by running
x2golistsessions:
12596|x2go-gast01-50-1428670060_stDLXDE_dp16|50|x2gotcsrv|R|2015-04-10T14:47:40|862605e06e24b10f9a7c3ec25dd4846b|192.168.133.10|30001|30002|2015-04-10T14:47:41|x2go-gast01|62|30003|

So it seems we're running in 16-bit color mode on this particular Pi.

On the Pi itself, the kernel parameters were:
dma.dmachans=0x7f35 bcm2708_fb.fbwidth=1824 bcm2708_fb.fbheight=984
bcm2708.boardrev=0xe bcm2708.serial=0xe6ae45f7
smsc95xx.macaddr=B8:27:EB:AE:45:F7 bcm2708_fb.fbswap=1
sdhci-bcm2708.emmc_clock_freq=250000000 vc_mem.mem_base=0x1ec00000
vc_mem.mem_size=0x20000000  dwc_otg.lpm_enable=0 console=ttyAMA0,115200
kgdboc=ttyAMA0,115200 console=tty1 elevator=deadline root=/dev/mmcblk0p2
rootfstype=ext4 rootwait

So while I see parameters for framebuffer height and width, I can't see
anything specifying the color depth.

Is there any place where I can force it to use 24/32-Bit color?

-Stefan

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