[Interest] QXcbConnection error

Ramakanthreddy_Kesireddy Ramakanthreddy_Kesireddy at mahindrasatyam.com
Mon Apr 22 07:40:28 CEST 2013


Does the below error got to do with https://bugreports.qt-project.org/browse/QTBUG-21880.
or the patch mentioned in this bug would help?

Iam using Qt5.0.2 on Ubuntu 11.04 with Nvidia drivers installed on target board.

________________________________
From: interest-bounces+ramakanthreddy_kesireddy=mahindrasatyam.com at qt-project.org [interest-bounces+ramakanthreddy_kesireddy=mahindrasatyam.com at qt-project.org] on behalf of preeteesh kakkar [preeteesh.kakkar at gmail.com]
Sent: Monday, April 22, 2013 10:43 AM
To: Ramakanthreddy_Kesireddy
Cc: Thiago Macieira; interest at qt-project.org
Subject: Re: [Interest] QXcbConnection error

This seems like an issue with your graphics card or probably not correct driver installed. Google for more (for ex: http://askubuntu.com/questions/67567/extension-glx-missing-on-display)


On Mon, Apr 22, 2013 at 12:10 AM, Ramakanthreddy_Kesireddy <Ramakanthreddy_Kesireddy at mahindrasatyam.com<mailto:Ramakanthreddy_Kesireddy at mahindrasatyam.com>> wrote:
Dear Thiago,

Now XServer is running.
The platform plugin being used is Xcb.

However, when I run qt application, it throws below error:

Xlib:  extension "GLX" missing on display ":0".
Couldnot Initialize glx
Aborted.

Please let me know if there is a workaround or patch in Qt?

Thanks and Regards,
Ramakanth


________________________________________
From: interest-bounces+ramakanthreddy_kesireddy=mahindrasatyam.com at qt-project.org<mailto:mahindrasatyam.com at qt-project.org> [interest-bounces+ramakanthreddy_kesireddy=mahindrasatyam.com at qt-project.org<mailto:mahindrasatyam.com at qt-project.org>] on behalf of Thiago Macieira [thiago.macieira at intel.com<mailto:thiago.macieira at intel.com>]
Sent: Sunday, April 21, 2013 7:30 PM
To: interest at qt-project.org<mailto:interest at qt-project.org>
Subject: Re: [Interest] QXcbConnection error

On domingo, 21 de abril de 2013 10.38.36, Ramakanthreddy_Kesireddy wrote:
> Could you please let me know how can we verify if XServer is running or not?

Sorry, that's not really a Qt question. Please look at your system's
configuration settings, boot scripts, etc. and check whether you started the X
server. Or you can just look at the process list (ps ax) and see if "X" is
running.

If X is not running, start it. Please consult your Linux distribution's
documentation or manuals to know how to do it.

If X is not supposed to be used, then tell us. And tell us which Qt graphical
backend you were expecting to use.

--
Thiago Macieira - thiago.macieira (AT) intel.com<http://intel.com>
  Software Architect - Intel Open Source Technology Center

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