X2Go Bug report logs - #637
Qt5 apps crash at startup on Linux host

version graph

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

Reported by: André Wöbbeking <Woebbeking@web.de>

Date: Fri, 10 Oct 2014 23:10:01 UTC

Severity: important

Tags: confirmed, fixed-upstream, moreinfo

Merged with 78

Found in version 3.5.0.27

Fixed in version 3.5.99.0

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

Full log

🔗 View this message in rfc822 format

X-Loop: owner@bugs.x2go.org
Subject: Bug#637: nx-libs improvements
Reply-To: André Wöbbeking <Woebbeking@web.de>, 637@bugs.x2go.org
Resent-From: André Wöbbeking <Woebbeking@web.de>
Resent-To: x2go-dev@lists.x2go.org
Resent-CC: X2Go Developers <x2go-dev@lists.x2go.org>
X-Loop: owner@bugs.x2go.org
Resent-Date: Thu, 05 Mar 2015 16:15:01 +0000
Resent-Message-ID: <handler.637.B637.142557200820550@bugs.x2go.org>
Resent-Sender: owner@bugs.x2go.org
X-X2Go-PR-Message: followup 637
X-X2Go-PR-Package: nxagent
X-X2Go-PR-Keywords: 
Received: via spool by 637-submit@bugs.x2go.org id=B637.142557200820550
          (code B ref 637); Thu, 05 Mar 2015 16:15:01 +0000
Received: (at 637) by bugs.x2go.org; 5 Mar 2015 16:13:28 +0000
X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on
	ymir.das-netzwerkteam.de
X-Spam-Level: 
X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50,FREEMAIL_FROM
	autolearn=ham version=3.3.2
X-Greylist: delayed 300 seconds by postgrey-1.34 at ymir.das-netzwerkteam.de; Thu, 05 Mar 2015 17:13:21 CET
Received: from mout.web.de (mout.web.de [212.227.15.4])
	by ymir.das-netzwerkteam.de (Postfix) with ESMTPS id DE2CB5DEA9
	for <637@bugs.x2go.org>; Thu,  5 Mar 2015 17:13:21 +0100 (CET)
Received: from sol.localnet ([77.8.236.41]) by smtp.web.de (mrweb002) with
 ESMTPSA (Nemesis) id 0Lc8n7-1Xn1pG3Z0n-00jZpq; Thu, 05 Mar 2015 17:08:19
 +0100
From: André Wöbbeking <Woebbeking@web.de>
To: Michael DePaulo <mikedep333@gmail.com>
Cc: 637@bugs.x2go.org
Date: Thu, 05 Mar 2015 17:08:19 +0100
Message-ID: <4040644.VY6ZfQh9em@sol>
User-Agent: KMail/4.14.6 (Linux/3.19.0-trunk-amd64; KDE/4.14.5; x86_64; git-c23d2218; 2015-03-03)
In-Reply-To: <CAMKht8hfLw-CvGX1x2LQraxRu7aaTfduZjtZAJ84rxB2Pi854A@mail.gmail.com>
References: <CAMKht8hfLw-CvGX1x2LQraxRu7aaTfduZjtZAJ84rxB2Pi854A@mail.gmail.com>
MIME-Version: 1.0
Content-Transfer-Encoding: quoted-printable
Content-Type: text/plain; charset="iso-8859-1"
X-Provags-ID:  V03:K0:a9oV9NNgsBlM4V45P2lHQNB9G2khJQ5K+N5cdZKcX8Yqi8vDOay
 pIEC/OTS9SDE9a8EBZbYV7lgFup5DMobGOP0RBT4BTqt2j2GXUnv3INTRMWF7keo5HGKFrL
 1QjxO6SKGCdmMRqJujGwkoANm95MCSMxQ9O6USf2Muv0h7OnATo7w6z3a1Gb+BiGcsf7Bdn
 bDDITSLY5blVH8jdccIxw==
X-UI-Out-Filterresults: notjunk:1;

Hi Michael,

On Wednesday 04 March 2015 08:41:20 Michael DePaulo wrote:
> Hi Andre.
> 
> I know it's been a while since you replied to this bug.
> 
> However, the X2Go project and the Arctica Project have started doing
> major code cleanups to nx-libs on the new 3.6.x branch. Many of those
> code cleanups are big because they involve making nx-libs using the
> system version of X11-related libraries rather than nx-libs bundling
> its own (horribly outdated) version of those libraries. Those changes
> will improve compatibility with some X11 apps, but not Qt5 apps.
> 
> After those code cleanups are complete, we will look into either
> rebasing nx-libs against the latest X.org, or backporting features
> such as newer RandR and XInput2 to nx-libs. In either case, Qt5 apps
> will become compatible.

That's great!

> There is no ETA though.

Well, with Qt 5.4 plain X11 apps don't crash anymore :-) (but I still get this 
warning "QXcbConnection: Failed to get the primary output of the screen").

And QtCreator works for me with "-noload Welcome" (AFAIK this disables a QML 
plugin using OpenGL).


Cheers,
André

Send a report that this bug log contains spam.

X2Go Developers <owner@bugs.x2go.org>. Last modified: Mon Jan 19 12:39:24 2026; Machine Name: ymir.das-netzwerkteam.de

X2Go Bug tracking system

Debbugs is free software and licensed under the terms of the GNU Public License version 2. The current version can be obtained from https://bugs.debian.org/debbugs-source/.

Copyright © 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson, 2005-2017 Don Armstrong, and many other contributors.