X2Go Bug report logs - #758
Segfault of QDialog in a PyQt application

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

Reported by: PAILLAT Olivier SOPRA GROUP <olivier.paillat@cea.fr>

Date: Thu, 22 Jan 2015 10:30:02 UTC

Severity: wishlist

Tags: pending

Merged with 757, 760

Found in version 3.5.0.31

Fixed in version 2:3.5.0.33

Done: X2Go Release Manager X2Go Release Manager <git-admin@x2go.org>

Bug is archived. No further changes may be made.

Full log

Message #15 received at 757@bugs.x2go.org (full text, mbox, reply):

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From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
To: PAILLAT Olivier SOPRA GROUP <olivier.paillat@cea.fr>, 757@bugs.x2go.org
Subject: Re: [X2Go-Dev] Bug#757: Segfault of QDialog in a PyQt application
References: <6E73732311A2AA4E9DA9E714347C6C471B205B25@EXDAG0-B3.intra.cea.fr>
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[Message part 1 (text/plain, inline)]
Control: reassign -1 x2goclient
Control: reassign #758 x2goclient
Control: reassign #760 x2goclient
Control: merge -1 #758
Control: merge -1 #760
Control: tag -1 build-win32
Control: tag -1 moreinfo

Hi Olivier,

On  Do 22 Jan 2015 11:07:26 CET, PAILLAT Olivier SOPRA GROUP wrote:

> Package: client
> Version: 4.0.3.0
> Qt 4.8.6
>
> When we run our PyQt application on our Debian Wheezy computer with  
> an ssh -X connection it work fine
> But when we use X2Go to access the computer and we run our  
> application we've got a segmentation fault at the first QDialog  
> opening. (when we run QDialog.exec_).
> We recently update the X2Go version and before that update it was  
> working fine.
> We found at least one post that describe the same problem in January  
> 2014 on your bug report site :
> X2Go Bug report logs - #410
> Segfault of _X11TransWritev in libNX_X11.so.6 with libQtGui
>
> Like suggested in this report  if we run a simple application to  
> test an opening of a dialog box it work fine with X2Go
>
> From your experience of this bugs is there any way to solve this problem ?

Please send us a little Python snippet that lets your PyQt application crash.

I am currently working on the NX code tree, so your timing for  
submitting this bug is quite good, right now.

Mike

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