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by owner＠bugs.x2go.org 26 Jun '15

26 Jun '15

Processing commands for control(a)bugs.x2go.org: > reassign 891 x2goclient 4.0.4.0 Bug #891 [nx-libs] Sessions started with windows x2goclient can not be resumed with linux client Bug reassigned from package 'nx-libs' to 'x2goclient'. Ignoring request to alter found versions of bug #891 to the same values previously set Ignoring request to alter fixed versions of bug #891 to the same values previously set Bug #891 [x2goclient] Sessions started with windows x2goclient can not be resumed with linux client There is no source info for the package 'x2goclient' at version '4.0.4.0' with architecture '' Unable to make a source version for version '4.0.4.0' Marked as found in versions 4.0.4.0. > merge 896 891 Bug #896 [x2goclient] Session Resume Fails with "Failed to restore all the required visuals." Bug #891 [x2goclient] Sessions started with windows x2goclient can not be resumed with linux client Merged 891 896 > End of message, stopping processing here. Please contact me if you need assistance. -- 891: http://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=891 896: http://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=896 X2Go Bug Tracking System Contact owner(a)bugs.x2go.org with problems

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Bug#843: Acknowledgement (Wrong colors in X2GoClient on Raspberry Pi)
by Office NextITLevel GmbH 26 Jun '15

26 Jun '15

Please add the following lines at the end of file /boot/config.txt ------- framebuffer_depth=32 framebuffer_ignore_alpha=1 gpu_mem=128 ------- The file config.txt is used by the kernel.img (or kernel7.img) in the /boot partition. For more options on config.txt see http://elinux.org/RPi_config.txt Have a nice day, Franz Lückl Next IT Level GmbH Paul Tillich Str. 14 60528 Frankfurt Handelsregister HRB 94885, Frankfurt am Main Finanzamt: Frankfurt/M. – USt-ID: DE285327933 Mobil DE: +49 152 3437 5620 Mobil AT: +43 676 37 00 299 Mobiles Festnetz: +49 69 3487 8985 Fax: +43 1 89 00 2999 mailto:franz@nextitlevel.de Internet Home Page: http://www.nextitlevel.de<http://www.nextitlevel.de/>

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Using x2goclient from a separate net namespace
by Wim De Smet 26 Jun '15

26 Jun '15

Hello, For various reasons I'm trying out running x2goclient from a separate net namespace (ip netns) by using a macvlan interface with a separate IP onto my main interface. So I do as root: ip netns add sepns ip link add link eth0 mvlan1 type macvlan ip link set dev mvlan1 netns sepns ip netns exec sepns bash dhclient mvlan0 su <normaluser> x2goclient This isolates x2goclient from the normal networking of the system. Now this seems to work fine for firefox for instance, but there's something crucial missing in the environment for x2goclient, as: 1) it starts up with a different theme than usual, apparently themes are working in a reduced state 2) it will fail to properly connect and eventually segfault Here's some output from the log when it's trying to connect: x2go-INFO-1> "Starting x2goclient..." x2go-WARNING-1> "Can't load translator: :/x2goclient_en_us" x2go-WARNING-2> "Can't load translator: :/qt_en_US" x2go-INFO-3> "Started x2goclient." x2go-DEBUG-../onmainwindow.cpp:490> "$HOME=/home/kromagg" x2go-DEBUG-../onmainwindow.cpp:2117> Reading 1 sessions from config file. x2go-INFO-8> "Starting connection to server: ..." x2go-DEBUG-../onmainwindow.cpp:2696> Start new ssh connection to server:"...":"22" krbLogin: false x2go-DEBUG-../onmainwindow.cpp:2791> SSH connection established. x2go-DEBUG-../onmainwindow.cpp:3051> Continue normal x2go session x2go-DEBUG-../onmainwindow.cpp:3395> "10538|wdesmet-51-1434971717_stDGNOME_dp24|51|labo582.localdomain|S|...|30018|30019|2015-06-25T09:30:25|wdesmet|246116|30020| " x2go-DEBUG-../onmainwindow.cpp:4718> Agent output: "gr_port=30018 sound_port=30019 fs_port=30020 " x2go-DEBUG-../onmainwindow.cpp:4896> New gr_port: "30018" x2go-DEBUG-../onmainwindow.cpp:4903> New sound_port: "30019" x2go-DEBUG-../onmainwindow.cpp:4910> New fs_port: "30020" x2go-DEBUG-../onmainwindow.cpp:5328> "Starting NX proxy, command: nxproxy -S nx/nx,options=/home/kromagg/.x2go/S-wdesmet-51-1434971717_stDGNOME_dp24/options:51" x2go-DEBUG-../onmainwindow.cpp:5644> Proxy wrote on stderr: " NXPROXY - Version 3.5.0 Copyright (C) 2001, 2011 NoMachine. See http://www.nomachine.com/ for more information. Info: Proxy running in client mode with pid '9722'. Session: Starting session at 'Thu Jun 25 09:37:15 2015'. Info: Connecting to remote host 'localhost:31018'. " x2go-DEBUG-../onmainwindow.cpp:10190> "Searching proxy win: X2GO-wdesmet-51-1434971717_stDGNOME_dp24" x2go-DEBUG-../onmainwindow.cpp:11733> "Searching window with title: X2GO-wdesmet-51-1434971717_stDGNOME_dp24" x2go-DEBUG-../onmainwindow.cpp:10190> "Searching proxy win: X2GO-wdesmet-51-1434971717_stDGNOME_dp24" x2go-DEBUG-../onmainwindow.cpp:11733> "Searching window with title: X2GO-wdesmet-51-1434971717_stDGNOME_dp24" x2go-DEBUG-../onmainwindow.cpp:10190> "Searching proxy win: X2GO-wdesmet-51-1434971717_stDGNOME_dp24" x2go-DEBUG-../onmainwindow.cpp:11733> "Searching window with title: X2GO-wdesmet-51-1434971717_stDGNOME_dp24" It just keeps going like that until finally: x2go-WARNING-5> "Waiting for proxy to exit." x2go-WARNING-6> "Failed, killing the proxy." x2go-DEBUG-../onmainwindow.cpp:5556> Waiting for proxy to exit. x2go-DEBUG-../onmainwindow.cpp:5581> Deleting SSH connection instance. x2go-DEBUG-../onmainwindow.cpp:5583> Deleted SSH connection instance. Segmentation fault (core dumped) So I was wondering if any devs had insight on what is going on here. I've tried to flush all cache in the .x2go folder, but this seemed to have no effect. I did at one point have these X11 errors pop up: X Error: BadWindow (invalid Window parameter) 3 Major opcode: 20 (X_GetProperty) Resource id: 0x5400005 X Error: BadWindow (invalid Window parameter) 3 Major opcode: 15 (X_QueryTree) Resource id: 0x5400005 I'm assuming something needs a unix socket that is not available, but not sure how this works or why it fails so badly. Any insight would be appreciated. Regards, wim

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Bug#896: Session Resume Fails with "Failed to restore all the required visuals."
by Michael DePaulo 26 Jun '15

26 Jun '15

Package: x2goclient Version: 4.0.4.0 Severity: normal Tags: +build-win32 Sometimes when starting an X2Go session on a Windows client, and resuming it on a different machine (which may or may not be Windows), the session fails to resume and you get this error message: X2Go - 50 Failed to restore all the required visuals. Can't resume the NX session on this display. Screenshot: http://imgur.com/zQz69Cz On test configuration #1 at least, I am still able to resume the session on the original client, even after receiving the error on the new client. I have seen this issue occasionally over the last year or 2. I recall experiencing it when try resume a session over RDP. However, I have 2 other test configurations listed below. Note that the error message comes from nx-libs, not x2goclient. x2goclient passes the error message to the user. However, I am filing this bug under x2goclient since it is likely possible to fix it by launching VcXsrv on Windows with different options. In fact, at X2Go Gathering 2015, one of the QVD developers said that they experienced this issue with QVD client for iOS, and fixed it by launching their client-side X server with certain options: https://github.com/theqvd/qvd-client-ios/blob/master/QVDWrapper/wrapper/Ser… Right now I am able to reproduce it with this test configuration (#1): Server OS: Fedora 21 64-bit with latest updates x2goserver: 4.0.1.19-3.fc21 (from Fedora) x2goserver-xsession: 4.0.1.19-3.fc21 (from Fedora) nxagent: 3.5.0.31-0.0x2go1.1.git20150608.671.main.fc21 session-starting client OS: Windows 10 64-bit build 10130 session-starting x2goclient: 4.0.4.0-2015.06.24 session-starting hardware: physical, accessed locally session-resuming client OS: Windows XP 32-bit SP3 with last available updates session-resuming x2goclient: 4.0.4.0-2015.06.24 session-resuming hardware: Virtual. Running on the server's qemu-kvm hypervisor with virt-manager. QXL & SPICE are used (the SPICE server is built into the hypervisor.) Driver is "Red Hat QXL GPU" 7/17/2013 5.1.0.10018. Color is set to 32-bit. Accessed over virt-viewer 2.0 from Windows. Also, at the X2Go Gathering 2015, we were able to reproduce this with the following 2 clients (but with a different server) (test config #2): Server Details: unknown session-starting client OS: Windows 7 64-bit SP1 with latest updated session-starting x2goclient: 4.0.4.0-2015.06.24 session-starting hardware: physical, accessed locally session-resuming client OS: X2Go TCE (version unknown) (based on Debian 7 Wheezy IIRC) session-resuming x2goclient: version unknown session-resuming hardware: physical, accessed locally

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Bug#883: I will try Mike#1's suggestions, and I released the test build
by Michael DePaulo 26 Jun '15

26 Jun '15

Hi Mike#1, I will try your suggestions. Also, everyone, I just released X2Go Client for Windows 4.0.4.0-2015.06.24 instead of 4.0.4.0-2015.06.22 (because I did the build 1.5 days later.) The alternate build with the test fix (reverting the winmultiwindow.patch) is available: http://code.x2go.org/releases/binary-win32/x2goclient/releases/4.0.4.0-2015… -Mike#2

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Japsand Maintenance Aftermath a.k.a. "Lessons Learned"
by Mihai Moldovan 24 Jun '15

24 Jun '15

Hi Due to a hanging rm process, we had to restart the server today. After rebooting the machine, it was decided to also update the system to the latest packages version, but still staying on Debian Wheezy (for now.) The server is using a custom kernel module provided by Realtek for its RTL8168 ethernet NIC. An in-kernel driver is available, but proved to be too unreliable, leading to frequent network outages and even machine crashes whenever the network IO load was higher than a few hundred KB/s. The hosting provider has a wiki entry for this issue at this location: http://wiki.hetzner.de/index.php/Installation_des_r8168-Treibers/en Unfortunately, the current driver version as provided by Realtek, 8.040, seems to be incompatible with the old 3.2.0-4-amd64 (3.2.68-1+deb7u2) kernel provided by Debian. As of writing this, I do not know what happened exactly, but most likely the module caused a kernel panic during bootup. Reverting to an older version, 8.037, fixed this issue and let the server boot up correctly again. For future maintenance work, please use this older version, at least on Debian Wheezy. I put the module source code into /usr/src and created a symlink from /usr/src/r8168-current to /usr/src/r8168-8.037.00. --- Other updated packages include Java (version 7 co-installed, the "alternatives" symlink now point to version 7 instead of 6) and Jenkins, including its plugins. A test build run suggests the Jenkins update was successful. Mihai

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Re: [X2Go-Dev] [X2Go-Project] Japsand Down
by Mihai Moldovan 24 Jun '15

24 Jun '15

On 24.06.2015 09:46 PM, Mihai Moldovan wrote: > Japsand, our server also hosting the X2Go Wiki is currently down for unscheduled > maintenance. The server is back up and running again. Mihai

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Japsand Down
by Mihai Moldovan 24 Jun '15

24 Jun '15

[copy of the eMail that went to X2Go-Project] Hi Japsand, our server also hosting the X2Go Wiki is currently down for unscheduled maintenance. We cannot provide any ETA for when it will be back up. In case you need to access the wiki, please fall back to http://web.archive.org/web/20150624025754/http://wiki.x2go.org/doku.php for now. The mailing lists are still working as expected. Mihai

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Bug#894: pyhoca gui tray icon in Plasma 5
by Orion Poplawski 24 Jun '15

24 Jun '15

Package: pyhoca-gui Version: 0.5.0.4 See https://bugzilla.redhat.com/show_bug.cgi?id=1225142 pyhoca-gui icon does not appear in KDE system tray on Fedora 22. This appears to be due to a shift in system tray implementations. See http://blog.martin-graesslin.com/blog/2014/06/where-are-my-systray-icons/ I'm still not sure if this is a purely distro issue or if pyhoca-gui should be doing something different. -- Orion Poplawski Technical Manager 303-415-9701 x222 NWRA/CoRA Division FAX: 303-415-9702 3380 Mitchell Lane orion(a)cora.nwra.com Boulder, CO 80301 http://www.cora.nwra.com

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Bug#895: Window decorations for shadow session with Windows X2Go Client
by Mike Gabriel 24 Jun '15

24 Jun '15

Package: x2goclient Tags: build-win32 Version: 4.0.4.0 The session window of a desktop sharing session lacks minimize, maximize and close button. Mike -- DAS-NETZWERKTEAM mike gabriel, herweg 7, 24357 fleckeby fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 mail: mike.gabriel(a)das-netzwerkteam.de, http://das-netzwerkteam.de freeBusy: https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.x…

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