[X2Go-Dev] Bug#637: Bug#637: Qt5 apps crash at startup on Linux host

[Mike Gabriel]

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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