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2315 discussions

Issue with specific application
by carl langlois 14 Jul '17

14 Jul '17

Hi Let me first say that x2go is working very nicely. Most of our application are running just fine in multiwindows mode. But we notice that application that are base on the TCl/TK widget seem to be much slower in refreshing and even freezing all windows running over x2go. One the specific application is mentor graphic questasim. We also have internal application written in perl/tk that seem to slower compare to others. I have many different setting but nothing help. If i run in desktop mode the application work fine. Any help would be appreciated. Regards CL

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Re: [X2Go-User] Can't resume session on RHEL6 system properly
by Ulrich Sibiller 13 Jul '17

13 Jul '17

On Thu, Jul 13, 2017 at 4:12 PM, John Stoffel <john(a)stoffel.org> wrote: > > Ulrich> That kde Session type is irrelevant. Your Session is probably broken beyond > Ulrich> repair. You can try sending SIGHUP to the x2goagent process and see if that > Ulrich> helps. > > And there's no x2goagent process... just an nxagent process. Damn. I > wonder what happened. I really like x2go, but debugging it is horrible... Then try nxagent. I was unsure about the final procress name anyway ;-) > Ulrich> On the Server you can find a Logfile in ~/.x2go somewhere. Maybe it contains > Ulrich> some Information about what happened. > > Nothing obivous unfortunately. Any suggestions on how to make it more > stable? You could try the current nx-libs beta: http://wiki.x2go.org/doku.php/doc:howto:nx-libs-betatesting, it contains lots of bugfixes. > Ulrich> Loop: PANIC! The remote NX proxy closed the connection. > Ulrich> Loop: PANIC! Failure negotiating the session in stage '7'. > Ulrich> Loop: PANIC! Wrong version or invalid session authentication cookie. Are you really use the same version of nx-libs on both sides? What packages (+ version) do you have running on both sides? Uli

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Can't resume session on RHEL6 system properly
by John Stoffel 13 Jul '17

13 Jul '17

Guys, I've got an x2go session where it looks like there's some disagreement internally between what the state really is on the system. I'm seeing the following messages in the /var/log/messages file: Jul 12 22:51:58 x2go-server /usr/sbin/x2gocleansessions[3243]: john-50-1498570300_stDGNOME_dp24: session status S desynchronized with current status (R) and session suspend already tried unsuccessfully Jul 12 22:52:12 x2go-server /usr/bin/x2gosuspend-session: session with ID john-50-1498570300_stDGNOME_dp24 has been suspended successfully Jul 12 22:52:30 x2go-server /usr/bin/x2gosuspend-session: session with ID john-50-1498570300_stDGNOME_dp24 has been suspended successfully Jul 12 22:52:49 x2go-server /usr/bin/x2gosuspend-session: session with ID john-50-1498570300_stDGNOME_dp24 has been suspended successfully Jul 12 22:53:08 x2go-server /usr/bin/x2gosuspend-session: session with ID john-50-1498570300_stDGNOME_dp24 has been suspended successfully Jul 12 22:53:28 x2go-server /usr/bin/x2gosuspend-session: session with ID john-50-1498570300_stDGNOME_dp24 has been suspended successfully Jul 12 22:53:47 x2go-server /usr/bin/x2gosuspend-session: session with ID john-50-1498570300_stDGNOME_dp24 has been suspended successfully Jul 12 22:54:06 x2go-server /usr/bin/x2gosuspend-session: session with ID john-50-1498570300_stDGNOME_dp24 has been suspended successfully Note the first line? Where is says the session status is desynchronized? How would I fix this? The server is running CentOS 6.9 (Final) x86_64: # rpm -qa |grep x2go x2goclient-4.0.1.4-1.el6.x86_64 x2goserver-4.0.1.20-1.el6.x86_64 x2golxdebindings-debuginfo-1.0.2.4-1.1.x86_64 x2goserver-xsession-4.0.1.20-1.el6.x86_64 python-x2go-0.5.0.3-1.el6.noarch x2goagent-3.5.0.32-3.1.x86_64 x2gognomebindings-2.0.2.1-2.1.x86_64 And my client in a Linux Mint 18.2 x86_64 system with: > dpkg-query -l |grep x2go ii nxproxy 2:3.5.0.32-0x2go1+git20170412.734+8.main.1 amd64 NX proxy ii pyhoca-cli 0.5.0.3-0x2go1+git20170412.224+8.main.1 all Command line X2Go client written in Python ii pyhoca-gui 0.5.0.6-0x2go1+git20170413.1337+8.main.1 all Graphical X2Go client written in (wx)Python ii python-x2go 0.5.0.4-1 all Python module providing X2Go client API ii x2go-keyring 2012.07.23~jessie~main~17~build1 all GnuPG keys of all X2Go developers and the X2Go archive ii x2goclient 4.1.0.0-0x2go1+git20170413.1549+8.main.1 amd64 X2Go Client application (Qt4) Now if I go and sit at the x2go-server system, and use the x2goclient to connect to the session, it's pretty much going to work, though sometimes it still fails and I need to wipe my working session. Which sucks. I also see, on the client system the following in the file: $ cat ~/.x2go/S-john-50-1498570300_stDGNOME_dp24/sessions Loop: WARNING! Unrecognized session type 'unix-kde-depth_24'. Assuming agent session. Loop: WARNING! Unrecognized session type 'unix-kde-depth_24'. Assuming agent session. Loop: PANIC! The remote NX proxy closed the connection. Loop: PANIC! Failure negotiating the session in stage '7'. Loop: PANIC! Wrong version or invalid session authentication cookie. But I never use kde as my session, and it's configured to use GNOME only. I've never used KDE at all, except to run their great CD buring tool k3db at points. What other debug info can I provide? Thanks, John

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X2Go: The Gathering 2017 will be taking place in TREUCHTLINGEN, 2017-09-22 to 2017-09-24
by Stefan Baur 03 Jul '17

03 Jul '17

+++ Attention +++ Attention +++ Attention +++ Attention +++ X2Go: The Gathering 2017 will be taking place in TREUCHTLINGEN, Germany, the "birthplace" of X2Go, from 2017-09-22 to 2017-09-24! Registration is now open for: - daytime-only visitors (we need you to register with us, even if you don't intend to stay over night, so the hotel knows how many people attend the conference) - accommodation - talk/workshop proposals For those of you signing up for accommodation, the following rules are part of the deal: 1) If you become sick, then please stay at home. Let us know ASAP so we can cancel your reservation/reassign your room. 2) If you've had recent contact with someone that has some contagious disease, and you are not 100% sure that you're immune - please, stay at home as well, and let us know ASAP so we can cancel your reservation/reassign your room. 3) If you know that someone has a contagious disease, and you've signed up for our event, please do not seek physical contact with that person before the event. If you have anything that needs to be discussed because you need it for the event, use e-mail, phone calls, whatever, but don't visit each other, the reason being rule #2. 4) Reservations cancelled less than 10 days before the event may mean we still have to charge you, if we cannot fill your spot with someone else. Of course, we will do our best to avoid this. Sign-Up Deadline: 2017-09-08 Cost-Free Cancellation Deadline: 2017-09-12 Please sign up ASAP if you intend to attend - we only have a limited amount of beds reserved in advance - first come, first serve. If we're exceeding that number, we run the risk of being unable to accommodate you. Currently available: 7 out of 10 single rooms, 1 out of 1 double room. To register, or to submit a talk/workshop proposal, simply reply to this E-Mail. There will also be a carpool to Treuchtlingen running via Karlsruhe, Stuttgart, Ulm, and possibly Augsburg, should the need arise. Please contact Mihai (ionic(a)ionic.de) if you're interested in joining the carpool as a passenger. The current planning status of this event can be found at the following wiki page: <http://wiki.x2go.org/doku.php/events:x2go-gathering-2017> Kind Regards, Stefan Baur -- BAUR-ITCS UG (haftungsbeschränkt) Geschäftsführer: Stefan Baur Eichenäckerweg 10, 89081 Ulm | Registergericht Ulm, HRB 724364 Fon/Fax 0731 40 34 66-36/-35 | USt-IdNr.: DE268653243

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Workaround for X2go's unclickable regions under Gnome 3
by Jason Heeris 25 Jun '17

25 Jun '17

I'm running X2go 4.1.0.0-0~1536~ubuntu17.04.1 under Ubuntu 17.04, using Gnome 3.24 as my desktop environment on the client. Unfortunately this means I keep running into bug #1072/#982, where the top of X2go's session screen is unclickable. Thus I can't close windows, open some menus, etc. See: https://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=982 https://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=1072 I'm looking for a way to work around this without completely throwing out my workflow in general. Because my laptop screen is small, running anything less than full screen makes things fiddly and hard to do (plus mostly what I want to do involves graphics). I don't really want to close everything else I'm working on and log in again to XFCE to do something on the server. Is there a way to tweak X2go config or Gnome 3 to avoid this, or an extension somewhere that mitigates it? Even something I could run or change just before launching X2go that I could revert afterwards? Any suggestions would be appreciated. Cheers, Jason

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Logging into x2go session on server
by Ali Morshedi 20 Jun '17

20 Jun '17

Dear all, I use x2go to connect to my office computer (ubuntu 16.04 using XFCE desktop environment). Let's say I'm logged into the server with x2go. Now if I go to my server computer and log in, it logs into a new and different desktop. My question is: is there a way to log into the same desktop that x2go is using when I go back to the office (on my server computer)? Note: I tries using "Connect to local desktop". It does what I want but the image quality is significantly reduced and things become slow and laggy. Thank you in advance, Ali ᐧ

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X2Go: The Gathering 2017 Location - Voting period has been extended!
by Stefan Baur 20 Jun '17

20 Jun '17

+++ Attention +++ Attention +++ Attention +++ Attention +++ X2Go: The Gathering 2017 will be taking place 2017-09-22 to 2017-09-24 *Voting deadline has been extended! Vote for your favorite location!* Folks, we need your votes! Even if there's only a remote chance that you could attend our event at one or more of the listed locations, please, please, please cast your vote! We currently have *the same amount of votes* for *all locations*, which obviously isn't helpful for decision-making. Who's allowed to vote: Everyone that has read the Wiki page or that has received this voting notification via one of the X2Go Mailing Lists, *and hasn't cast their vote yet.* If *you haven't voted yet*, but would like to take part in the voting process, please list the locations you would like to vote for in an E-Mail to: gathering-2017-vote(a)baur-itcs.de Valid options are: - Essen - Stuttgart - Treuchtlingen Please list the locations in the order of your preference: - First entry gets 3 points - Second entry gets 2 points - Third entry gets 1 point If you are unwilling to attend at a particular location, then do not list it at all. *Deadline: We need your vote by Thursday, 2017-06-25, 23:59:59 CEST.* Please note that we will try to respect the outcome of the vote as good as possible, but we reserve the right to pick a different location than the one that gets the most votes in case we detect voting fraud or in case some unforeseen circumstances (like a hotel suddenly becoming unavailable) require us to relocate. To see a detailed description of all locations, as well as their pros and cons, and entertainment options, please visit: <https://wiki.x2go.org/doku.php/events:x2go-gathering-2017> Kind Regards, Stefan Baur (with my X2Go event planner hat on) -- BAUR-ITCS UG (haftungsbeschränkt) Geschäftsführer: Stefan Baur Eichenäckerweg 10, 89081 Ulm | Registergericht Ulm, HRB 724364 Fon/Fax 0731 40 34 66-36/-35 | USt-IdNr.: DE268653243

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Re: [X2Go-User] Worse image quality after upgrading Firefox to 52 ESR
by Stefan Seidel 15 Jun '17

15 Jun '17

Hi, Firefox 47 disabled XRender by default. It means that remote protocols will see the whole Firefox content as image and deal with it accordingly. For now you can set xrender to true (in about:config search for xrender). It will probably stop working at some point. Stefan

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Worse image quality after upgrading Firefox to 52 ESR
by south0＠tuta.io 15 Jun '17

15 Jun '17

Hi, after upgrading Firefox form v45 ESR to v52 ESR, the image quality in the X2Go client dropped considerably. Using the same setup in both cases, I now see "blocks" of JPEG artifacts scattered around the window. My setup: - Ubuntu 16.04 LTS i686 - X2Go server from stable PPA - X2Go Qt client in Windows (tested in 7 and 10) - nx set to link=lan, pack=adaptive-9, the rest as default - Firefox from Mozilla's builds (https://ftp.mozilla.org/pub/firefox/releases) I'm untaring Firefox to a dedicated dir and pointing X2Go to execute it. The tests were made with fresh Firefox profiles in both cases, with HW acceleration disabled and rendering by cairo. A major difference is that Firefox 45 uses GTK2 while Firefox 52 uses GTK3. The areas with artifacts seem to be placed randomly. Icons next to each other in the chrome may or may not be affected. Multiline paragraphs are sometimes divided across the upper/lower middle of the characters. If I highlight text around quickly, or zoom in/out, I can make the artifact blocks "jump" to other areas in the viewport. After tweaking the font configs, I managed to get rid of the artifacts consistently in text-only documents by using an aliased font against a solid background. Artifacts in the chrome remain nevertheless. If I set the nx pack to rle for instance, the artifacts disappear. I'd still like to know if - this is a bug or expected behaviour - I can still use adaptive-9 while getting a constant/reproducible image quality Let me know if you need more info or sceenshots. Thanks in advance.

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X2Go vs. XRDP
by Stefan Seidel 13 Jun '17

13 Jun '17

Hi, I have been trying to get X2Go to a usable state for a long time. Some may remember that I posted about slow performance even with Gigabit networking, mostly web browser usage was problematic. After having spent very much time trying to optimise X2Go to make it perform acceptably, I gave up. I then found and tried XRDP, and all my problems are solved. Although XRDP (with xorgxrdp drivers) uses more bandwith than X2Go, it is much more usable in almost all situations. Even ADSL links work ok, but with Gigabit connectivity it really flies (including video). I don't like to advertise for other "products", but this has made such a difference that I could not withhold this information from those who are not satisfied with X2Go. Maybe as a means of making X2Go better, I would encourage X2Go developers to install XRDP on a test server and test and compare its performance to X2Go. I would be surprised if X2Go would perform better - in fact I was surprised how much better XRDP was. Maybe there are things that can be done in X2Go to make it better by looking at how XRDP does things. I really wanted X2Go to work, but somehow it didn't work for me. I wish you all the best for improving the project in the future! Stefan

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