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

Message #10 received at 637@bugs.x2go.org (full text, mbox, reply):

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From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
To: André Wöbbeking
 <Woebbeking@web.de>, 637@bugs.x2go.org
Subject: Re: [X2Go-Dev] Bug#637: Qt5 apps crash at startup on Linux host
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[Message part 1 (text/plain, inline)]
Control: reassign -1 nxagent
Control: found -1 3.5.0.27
Control: severity -1 important

Hi André,

On  Sa 11 Okt 2014 01:03:06 CEST, André Wöbbeking wrote:

> Any Qt 5.3 app starting on a Linux host crashes with this backtrace:
>
> __lll_unlock_elision                elision-unlock.c:29
> XIQueryVersion                      XIQueryVersion.c:47
> QXcbConnection::initializeXInput2   qxcbconnection_xi2.cpp:84
> QXcbConnection::QXcbConnection	    qxcbconnection.cpp:336
> QXcbIntegration::QXcbIntegration    qxcbintegration.cpp:161
> QXcbIntegrationPlugin::create       qxcbmain.cpp:58
>
> These apps run fine locally.
>
> I also get this warning before the apps crash:
>
> xcb_randr_get_output_primary_reply_t *primary =
>         xcb_randr_get_output_primary_reply(xcb_connection(), primaryCookie,
> &error);
> if (!primary || error) {
>     qWarning("QXcbConnection: Failed to get the primary output of the
> screen");
>     free(error);
> }
>
> And xrandr prints:
>
> "xrandr: Failed to get size of gamma for output default"
>
> I'm using current Debian testing.

this actually is a bug in NX Agent.

It basically means that the XRandR extension in NX-libs is tooooo old.

Mike


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