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

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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: 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

Fixed in version

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

Full log

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From: André Wöbbeking <Woebbeking@web.de>
To: submit@bugs.x2go.org
Subject: Qt5 apps crash at startup on Linux host
Date: Sat, 11 Oct 2014 01:03:06 +0200
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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, 
if (!primary || error) {
    qWarning("QXcbConnection: Failed to get the primary output of the 

And xrandr prints:

"xrandr: Failed to get size of gamma for output default"

I'm using current Debian testing.


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