X2Go Bug report logs - #78
NX_xrandr lacks support from Xrandr 1.2 and higher

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Package: nxagent; Maintainer for nxagent is X2Go Developers <x2go-dev@lists.x2go.org>; Source for nxagent is src:nx-libs.

Reported by: Reinhard Tartler <siretart@gmail.com>

Date: Thu, 6 Dec 2012 12:03:02 UTC

Severity: important

Tags: confirmed, fixed-upstream, moreinfo

Merged with 637

Found in version 3.5.0.27

Fixed in version 3.5.99.0

Forwarded to https://github.com/ArcticaProject/nx-libs/pull/137

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X-Loop: git-admin@x2go.org
Subject: Bug#78: NX_xrandr lacks support from Xrandr 1.2 and higher
Reply-To: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>, 78@bugs.x2go.org
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Date: Thu, 06 Dec 2012 13:17:05 +0100
From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
To: Reinhard Tartler <siretart@gmail.com>, 78@bugs.x2go.org
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[Message part 1 (text/plain, inline)]
Hi Reinhard,

On Do 06 Dez 2012 12:59:36 CET Reinhard Tartler wrote:

> Package: x2goagent
>
> When starting a new x2go session, the startup scripts modify the
> LD_LIBRARY_PATH of all applications to include /usr/lib/nx/X11/Xrandr.
> This replaces the system libXrandr with the NX/X2go  provided one.
> Unfortunately, this breaks the xrandr utility:
>
>>> echo $LD_LIBRARY_PATH
> /usr/lib/nx/X11/Xrandr:/usr/lib/nx/X11/Xinerama:/usr/lib/nx/X11
>
>>> xrandr
> xrandr: symbol lookup error: xrandr: undefined symbol: XRRGetScreenSizeRange
> zsh: exit 127   xrandr

this was done to work around a critical Ubuntu KDE bug in precise:
https://bugs.launchpad.net/ubuntu/+source/libx11/+bug/985202

The path add-on for Xrandr is only done for KDE sessions. I will be  
happy to revert that nasty hack, but before that, we need someone to  
dig into KDE and (if I recall correctly) the patches applied to  
libxfixes in Ubuntu 12.04 and beyond.

If you disable the LD_LIBRARY_PATH code for Xrandr (x2goruncommand),  
then you will find regularly kwin crashes on KDE in precise+.

Greets,
Mike


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