From olivier.paillat@cea.fr Thu Jan 22 16:58:40 2015 Received: (at 757) by bugs.x2go.org; 22 Jan 2015 15:58:47 +0000 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on ymir.das-netzwerkteam.de X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,URIBL_BLOCKED autolearn=ham version=3.3.2 X-Greylist: delayed 4286 seconds by postgrey-1.34 at ymir.das-netzwerkteam.de; Thu, 22 Jan 2015 16:58:40 CET Received: from sainfoin-out.extra.cea.fr (sainfoin-out.extra.cea.fr [132.167.192.145]) by ymir.das-netzwerkteam.de (Postfix) with ESMTPS id 949B65DA51 for <757@bugs.x2go.org>; Thu, 22 Jan 2015 16:58:40 +0100 (CET) Received: from pisaure.intra.cea.fr (pisaure.intra.cea.fr [132.166.88.21]) by sainfoin.extra.cea.fr (8.14.2/8.14.2/CEAnet-Internet-out-2.3) with ESMTP id t0MElDEp006642; Thu, 22 Jan 2015 15:47:13 +0100 Received: from pisaure.intra.cea.fr (localhost [127.0.0.1]) by localhost (Postfix) with SMTP id 667C52035A2; Thu, 22 Jan 2015 15:47:36 +0100 (CET) Received: from muguet2.intra.cea.fr (muguet2.intra.cea.fr [132.166.192.7]) by pisaure.intra.cea.fr (Postfix) with ESMTP id 523BC203652; Thu, 22 Jan 2015 15:47:36 +0100 (CET) Received: from excah-b0.intra.cea.fr (excah-b0.intra.cea.fr [132.166.88.85]) by muguet2.intra.cea.fr (8.13.8/8.13.8/CEAnet-Intranet-out-1.2) with ESMTP id t0MElDOQ030647; Thu, 22 Jan 2015 15:47:13 +0100 Received: from EXDAG0-B3.intra.cea.fr ([fe80::d0da:1b48:7560:ee73]) by excah-b0.intra.cea.fr ([fe80::7542:b9de:5cc1:f613%10]) with mapi id 14.03.0174.001; Thu, 22 Jan 2015 15:47:13 +0100 From: PAILLAT Olivier SOPRA GROUP To: Mike Gabriel , "757@bugs.x2go.org" <757@bugs.x2go.org> Subject: RE: [X2Go-Dev] Bug#757: Segfault of QDialog in a PyQt application Thread-Topic: [X2Go-Dev] Bug#757: Segfault of QDialog in a PyQt application Thread-Index: AdA2HvNEgyINwlHVSFSL3YGxSkmNXQADCwPgAAO1foAABb16AA== Date: Thu, 22 Jan 2015 14:47:12 +0000 Message-ID: <6E73732311A2AA4E9DA9E714347C6C471B205C6B@EXDAG0-B3.intra.cea.fr> References: <6E73732311A2AA4E9DA9E714347C6C471B205B25@EXDAG0-B3.intra.cea.fr> <6E73732311A2AA4E9DA9E714347C6C471B205B63@EXDAG0-B3.intra.cea.fr> <20150122125255.Horde.uTa71XvyxTcSFVedcS2sCw8@mail.das-netzwerkteam.de> In-Reply-To: <20150122125255.Horde.uTa71XvyxTcSFVedcS2sCw8@mail.das-netzwerkteam.de> Accept-Language: en-US Content-Language: fr-FR X-MS-Has-Attach: yes X-MS-TNEF-Correlator: x-originating-ip: [132.166.88.106] x-tm-as-product-ver: SMEX-10.2.0.1135-7.500.1017-20752.007 x-tm-as-result: No--47.205900-0.000000-31 x-tm-as-user-approved-sender: Yes x-tm-as-user-blocked-sender: No Content-Type: multipart/mixed; boundary="_002_6E73732311A2AA4E9DA9E714347C6C471B205C6BEXDAG0B3intrace_" MIME-Version: 1.0 --_002_6E73732311A2AA4E9DA9E714347C6C471B205C6BEXDAG0B3intrace_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hello, Thank you for your answer. I have made a simple python application (see the tar.gz attached) that repr= oduce the problem You will need PyQt4 to run it The command is simple=20 python gui.py if it work it open a QDialog nearly empty If you reproduce the bug you will end with a segmentation fault with a very= brief QDialog opening Actually we have some doubts about our environment and we won't be surprise= d if you don't reproduce the bug with your PyQt4 But we want to close some of the paths of explanation of our bug and since = it occurs only with X2Go we submit it to you Regards Olivier PAILLAT Agence STIE Sud-Est Sopra Steria 780 rue Guillibert de la Lauzi=E8re Pichaury 2 - CS 40496 13593 Aix-en-Provence Cedex 3 France Phone: +33 (0)4 42 25 71 46 olivier.paillat@cea.fr - www.soprasteria.com Le contenu de cet e-mail est susceptible d'=EAtre confidentiel, soumis au s= ecret professionnel ou prot=E9g=E9 par la loi. L'utilisation, la copie et l= a divulgation non autoris=E9es d'une partie ou de l'int=E9gralit=E9 de ce m= essage sont susceptibles d'=EAtre ill=E9gales. Si vous avez re=E7u ce messa= ge par erreur, supprimez-le apr=E8s avoir averti l'exp=E9diteur. Les pi=E8c= es jointes du pr=E9sent e-mail ont fait l'objet d'un contr=F4le antivirus. = N=E9anmoins, nous d=E9clinons toute responsabilit=E9 concernant les dommage= s caus=E9s par d'=E9ventuels virus. Pensez =E0 l'environnement avant d'imprimer. -----Message d'origine----- De=A0: Mike Gabriel [mailto:mike.gabriel@das-netzwerkteam.de]=20 Envoy=E9=A0: jeudi 22 janvier 2015 13:53 =C0=A0: PAILLAT Olivier SOPRA GROUP; 757@bugs.x2go.org Objet=A0: Re: [X2Go-Dev] Bug#757: Segfault of QDialog in a PyQt application 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=20 > ssh -X connection it work fine But when we use X2Go to access the=20 > computer and we run our application we've got a segmentation fault at=20 > the first QDialog opening. (when we run QDialog.exec_). > We recently update the X2Go version and before that update it was=20 > 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=20 > 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 cras= h. I am currently working on the NX code tree, so your timing for submitting t= his bug is quite good, right now. 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