#723 - x2go sessions insta-break with some GUI software (ROOT TBrowser)

X2Go Bug report logs - #723
x2go sessions insta-break with some GUI software (ROOT TBrowser)

Reported by: "Babutzka, Martin (EKP)" <martin.babutzka@kit.edu>

Date: Wed, 7 Jan 2015 18:50:02 UTC

Severity: normal

Found in version 4.0.3.0

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Date: Thu, 08 Jan 2015 09:52:06 +0000
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From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
To: "Babutzka, Martin (EKP)" <martin.babutzka@kit.edu>, 723@bugs.x2go.org
Subject: Re: [X2Go-Dev] Bug#723: x2go sessions insta-break with some GUI
 software (ROOT TBrowser)
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Hi Martin, On Mi 07 Jan 2015 19:33:42 CET, Babutzka, Martin (EKP) wrote: > Package: x2goclient > Version: 4.0.3.0 > > x2goserver-version: 4.0.1.18-0~949 running on Ubuntu 14.04.1 > x2goclient-version: 4.0.3.0 running on Windows 7 > > We are experiencing a strange bug in the interplay of x2go with a > component of the ROOT data analysis framework > (https://root.cern.ch). Displaying GUI windows in the ROOT > framework, shows them shortly and results in an immediate CRASH of > the X2go connection with a Windows error "vcxsrv.exe has stopped > working" and subsequent closure of all opened remote applications. > Strangely the GUI window shows up when resuming the session in X2go. > Running the ROOT GUI window from pure vcxsrv, Xming, Mobaxfire or > similar Windows X-Server applications works flawlessly. It also > worked previously with the "baikal" version of X2go. I admit this > seems to be an exotic bug but there might be further graphical > software affected which increases the severity of this bug. > > Steps to reproduce: > - Install ROOT from the webpage or via "apt-get install > root-system-bin" on the x2goserver > - Run "root" on command line. > - Open a TBrowser with the command "TBrowser b" > > After this the x2goclient slowly fills the "session" log with warnings of > "Proxy: WARNING! Handling data for finishing FD#6 channel ID#1." > > This bug is a kind of a show stopper for us because we need ROOT for > scientific use. I would help to further track down the error and > debug if I can get some hints where and how to start. > > Kind regards, > Martin Is it possible to be granted access to a reference installation that shows the above describe behaviour? Esp. the fact, that resuming the "crashed" session gives me a bit of hope here. Also: do you know if your software uses the X11 bigrequests extension? Thanks+Greets, Mike -- DAS-NETZWERKTEAM mike gabriel, herweg 7, 24357 fleckeby fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 mail: mike.gabriel@das-netzwerkteam.de, http://das-netzwerkteam.de freeBusy: https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.xfb

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X2Go Bug report logs - #723 x2go sessions insta-break with some GUI software (ROOT TBrowser)

X2Go Bug report logs - #723
x2go sessions insta-break with some GUI software (ROOT TBrowser)