x2go-dev February 2016

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152 discussions

Bug#58: x2goplugin: after session startup whole local desktop unusable
by Mike Gabriel 26 Mar '19

26 Mar '19

Package: x2goplugin Severity: grave Version: 3.99.3.0 Hi Alex, more tests with x2goplugin + x2goplugin-provider as release with x2goclient src:package 3.99.3.0. Try this: o install x2goplugin-provider and x2goserver locally on the same machine o visit http://localhost/x2goplugin.html o launch the pre-configured session o ... till here, everything works fine now... On my machine: after the session has come up (actually already while it is comming up) my whole desktop shell (awesome) refuse to accept almost any import from keyboard or mouse. I can neither click any of the x2goplugin controls nor can I click around in the started up X2Go session. The X2Go session is embedded in the x2goplugin frame, just in case this information is relevant. Ggreets, Mike -- DAS-NETZWERKTEAM mike gabriel, rothenstein 5, 24214 neudorf-bornstein 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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Bug#873: Drop Xinerama / LD_LIBRARY_PATH related code from x2goruncommand for nxagent >= 3.5.99.0
by Mike Gabriel 21 Nov '18

21 Nov '18

Package: x2goserver Severity: normal Version: 4.1.0.0-preview As the Xinerama magic will be soon moved from libNX_Xinerama.so into the programs/Xserver/hw/nxagent code, all Xinerama specifc stuff in x2goruncommand becomes obsolete if nxagent >= 3.5.99.0 is used server-side. The nxagent >= 3.5.99.0 will be able to handle Xinerama stuff all by itself. No external xinerama.conf is required, applications running server-side can use the X.Org client libraries, no hack for injecting libNX_X11, libNX_Xext and libNX_Xinerama into the library path is needed anymore. In fact, the libNX_Xinerama library will be dropped completely in nx-libs >= 3.5.99.0 (aka 3.6.x). 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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Bug#818: x2goserver: client-side folder sharing broken on Ubuntu 10.04
by Mike Gabriel 21 Nov '18

21 Nov '18

Package: x2goserver Severity: normal Version: 4.0.1.19 Hi all, x2goserver: client-side folder sharing is broken on Ubuntu 10.04 since X2Go Server 4.0.1.19. REASON: ------- I just discovered that the "timeout" command that we have started using in /usr/bin/x2gomountdirs since 4.0.1.19 of X2Go Server is normally shipped via the essential .deb package "coreutils". Normally, it is not necessary to add dependencies for essential packages. However, on Ubuntu 10.04, the timeout command is not shipped with the coreutils package but with a separate package called "timeout". There you have to explicitly install the "timeout" .deb package. So, basically in X2Go Server's debian/control file we need to add timeout | coreutils, under Depends: of bin:package x2goserver. However, as Ubuntu 10.04 will reach End of Life probably before the next X2Go Server release will come out, I am unsure if we should still change this. Please other devs give feedback, 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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Bug#659: x2golistsessions perl error on tty
by hcmmac＠hosscomm.com 21 Nov '18

21 Nov '18

Package: x2goserver Attached is the syslog.pm also the error is re=typed below. if you want the pic of it on the tty(inside aptitude) let me know. <begin_error Unrecognized character \xd4:marked by <-- HERE after PORT_TAGS{--HERE near column 24 at /usr/lib/i386-linux-gnu/perl/5.20/Syslog.pm line 54 Compilation failed in require at /usr/lib/x2go/x2golistsessionss_sql line 24 Begin Failed-- Compilation aborted at /usr/lib/x2go/x2golistsessions_sql line24 *** error in `/usr/bin/perl': malloc();smalbin double linked list corrupted:0x09e74540 *** *** error in `/usr/bin/perl': corrupted double linked list 0x09444ac8 *** <end_error root@hsc6:/usr/share/doc/policykit-1# x2goversion x2goagent: 3.5.0.28 x2gomatebindings: 0.0.1.3 x2goserver: 4.1.0.0-preview x2goserver-common: 4.1.0.0-preview x2goserver-extensions: 4.1.0.0-preview x2goserver-xsession: 4.1.0.0-preview Thanks MotoHoss

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Bug#627: X2Go Server fails to start Trinity when it is installed under /opt/trinity/
by Michael DePaulo 21 Nov '18

21 Nov '18

package: x2goserver version: 4.0.1.16 severity: normal If you install the Trinity Desktop Environment on Ubuntu 12.04 from the official Trinity project's repo[1], x2goruncommand assumes that for the "TRINITY" session it needs to run: /usr/bin/starttrinity However, the session fails to start because that file exists at this path instead: /opt/trinity/bin/startkde I am about to commit a fix for this. x2goruncommand will check for /opt/trinity/bin/startkde and run that if it exists. Otherwise, it will default to running /usr/bin/starttrinity . [1] https://www.trinitydesktop.org/wiki/bin/view/Documentation/UbuntuBinaryInst…

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Bug#28: x2go kubuntu 12.4
by Mike Gabriel 21 Nov '18

21 Nov '18

Package: x2goserver Version: 3.1.1.3 Tags: confirmed Severity: normal Forwarding this issue into the X2Go bug tracker... Mike ----- Weitergeleitete Nachricht von mirco(a)rohloff.de ----- Datum: Sun, 19 Aug 2012 23:19:19 +0200 Von: Mirco Rohloff <mirco(a)rohloff.de> Betreff: [X2Go-User] x2go kubuntu 12.4 An: x2go-user(a)lists.berlios.de Hello, i want to use Kubuntu 12.4 LTS with X2go. After any Login the Kdesktop restarts with folloing Krash Report. Has anybody a workaroung for this problem? Thanks Mirco Application: KWin (kwin), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0x7fc671dfe780 (LWP 15661))] Thread 3 (Thread 0x7fc655994700 (LWP 15663)): #0 0x00007fc66ce0bee8 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #1 0x00007fc66ce0dd31 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #2 0x00007fc66cddac82 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #3 0x00007fc66cddaed7 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #4 0x00007fc66ccd9fa7 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #5 0x00007fc66cdba9ff in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #6 0x00007fc66ccdcfcb in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #7 0x00007fc665f03e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #8 0x00007fc6716154bd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #9 0x0000000000000000 in ?? () Thread 2 (Thread 0x7fc655193700 (LWP 15664)): #0 0x00007fc665f07d84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007fc66e0cb222 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4 #2 0x00007fc66e0cb259 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4 #3 0x00007fc665f03e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #4 0x00007fc6716154bd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #5 0x0000000000000000 in ?? () Thread 1 (Thread 0x7fc671dfe780 (LWP 15661)): [KCrash Handler] #6 0x00007fc6715a602c in free () from /lib/x86_64-linux-gnu/libc.so.6 #7 0x00007fc66f057819 in XFree () from /usr/lib/x86_64-linux-gnu/libX11.so.6 #8 0x00007fc66ebff2ee in XRRUpdateConfiguration () from /usr/lib/x86_64-linux-gnu/libXrandr.so.2 #9 0x00007fc67194cc60 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so #10 0x00007fc67193e4b8 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so #11 0x00007fc66c1cdb85 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 #12 0x00007fc66c1dcf98 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 #13 0x00007fc66c207b3a in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 #14 0x00007fc66cddac82 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #15 0x00007fc66cddaed7 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #16 0x00007fc66cddff67 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #17 0x00007fc671940c36 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so #18 0x00007fc67154476d in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6 #19 0x0000000000400661 in _start () _______________________________________________ X2Go-User mailing list X2Go-User(a)lists.berlios.de https://lists.berlios.de/mailman/listinfo/x2go-user ----- Ende der weitergeleiteten Nachricht ----- -- DAS-NETZWERKTEAM mike gabriel, rothenstein 5, 24214 neudorf-bornstein 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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Bug#873: suggestion for how to handle Xinerama from NX 3.6.x in X2Go
by Mike Gabriel 21 Nov '18

21 Nov '18

Hi Mihai, hi Alex, the new RandR based Xinerama is about to be merged to the nx-libs 3.6.x branch. Here are some ideas how to make the feature addressable in X2Go. 1. X2Go Client can server-side query x2gofeaturelist, it outputs the string X2GOAGENT_RANDRXINERAMA. If that string is in x2gofeaturelist, then the new Xinerama code is present in x2goagent/nxagent. 2. We are about to add a xinerama={0,1} NX option for the NX options file (Ulrich is probably reviewing right now...). This should be used through NX proxy (I guess) for setting up Xinerama in X2Go Agent. It works on session startup and session resumption. 3. One can disable Xinerama completely via cmdline switch for x2goagent: -disablexineramaextension. My suggestion is: o you keep the xinerama.conf file with X2GOAGENT_RANDRXINERAMA, but put "enabled" or "disabled" into it o the "enabled" switch is rather for human beings, because the real enabling takes place via NX options o if "disabled" is set, then x2gostartagent should notice that and add -disablexineramaextension Also, -disablexineramaextension should be added (commented out, of course, thus for reference) to /etc/x2go/x2goagent.options. So far from Uli's and Mike's Xinerama hacking frontier... Greets, 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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Bug#28: Seems to be fixed in newer versions
by Ulrich Sibiller 21 Nov '18

21 Nov '18

Well, looking at the source of the current libxfixes (of Ubuntu Trusty) I can find no XFIXES version 6 code. Additionally libxfixes_5.0.1-1ubuntu1.diff.gz contains this changelog update: + -- Julien Cristau <jcristau(a)debian.org> Tue, 14 May 2013 10:12:48 +0200 + +libxfixes (1:5.0-4ubuntu6) raring; urgency=low + + * Drop the v6 protocol. + I cannot test a full KDE setup here but I think at least the speculation that v6 could be the reason can be dropped. Do the kwin crashes still happen with Raring or any later release of (K)Ubuntu? (For Precise a backport might be necessary.)

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Bug#839: fqdn hostnames in load_factors
by Sergey Savko 13 Sep '18

13 Sep '18

Package: python-x2gobroker Version: 0.0.3 Severity: normal In massive load_factors.keys variable busy_server = test-001.tophouse.local In massive busy_servers_temp.keys variable busy_server = test-001 As a result, I get garbage. -- Yours truly, Sergey Savko.

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Bug #759: x2goclient 4.0.5.0 (and 4.0.5.1 preview) frequent ssh commands don't free resources
by Mat Martineau 16 Nov '17

16 Nov '17

I've run in to this problem as well, with these x2go versions: Client (Mac) * x2goclient 4.0.5.0 (OS X 10.9+ build) or 4.0.5.1 preview (December 2015 build) * OS X 10.11.3 * XQuartz 2.7.8 Server (Linux) * x2goagent: 3.5.0.32 * x2goserver: 4.0.1.19 * x2goserver-extensions: 4.0.1.19 * Fedora 23 (with updates as of 2016-02-17) Steps to reproduce: 1. Run 'x2goclient --debug' and open a session 2. Observe frequent xmodmap commands while session is active 3. Quit session to see a large number of SshProcess objects freed This came to my attention because the default SELinux/audit settings on Fedora 23 log five events for each xmodmap ssh command executed on the server by the client. That's 1800 events per hour when an x2go session is active. Judging from ONMainWindow::slotSetModMap() in onmainwindow.cpp, it looks like the intent is to only run the xmodmap command if kbMap is empty (maybe there's an expected way for kbMap to get cleared so it has to be periodically checked?). However, slotSetModMap() runs every 10 seconds and executes a command every time. It's not clear to me how kbMap becomes empty. Furthermore, the SshProcess objects are not cleaned up until the session is exited. The 'processes' QList in SshMasterConnection grows without bound. Logs from x2goclient --debug: """ x2go-DEBUG-../src/sshprocess.cpp:199> Executing remote command via SshProcess object 6: "export DISPLAY=":50"; echo "keycode 8 = a A aring Aring <snip>" x2go-DEBUG-../src/sshprocess.cpp:204> Running masterCon->addChannelConnection(this, '"d93c9f1a-2d4d-42fb-92a9-5373621768f6"', '"bash -c 'echo "X2GODATABEGIN:d93c9f1a-2d4d-42fb-92a9-5373621768f6"; export PATH="/usr/local/bin:/usr/bin:/bin"; export DISPLAY=":50"; echo "keycode 8 = a A aring Aring keycode 9 = s S ssharp Iacut"'); x2go-DEBUG-../src/sshmasterconnection.cpp:1284> Locking SSH channel connection MUTEX. x2go-DEBUG-../src/sshmasterconnection.cpp:1286> Passing new channel conenction object to channelConnections. x2go-DEBUG-../src/sshmasterconnection.cpp:1288> Unlocking SSH channel connection MUTEX. x2go-DEBUG-../src/sshmasterconnection.cpp:1476> Creating new channel. x2go-DEBUG-../src/sshmasterconnection.cpp:1480> New channel:0x7fcb9a7af450 x2go-DEBUG-../src/sshmasterconnection.cpp:1511> Executing remote: "bash -c 'echo "X2GODATABEGIN:d93c9f1a-2d4d-42fb-92a9-5373621768f6"; export PATH="/usr/local/bin:/usr/bin:/bin"; export DISPLAY=":50"; echo "keycode 8 = a A aring Aring <snip>" x2go-DEBUG-../src/sshmasterconnection.cpp:1534> New exec channel created. x2go-DEBUG-../src/sshmasterconnection.cpp:1638> EOF on channel 0x7fcb9a7af450; SshProcess object: 6 x2go-DEBUG-../src/sshmasterconnection.cpp:1706> EOF sent. x2go-DEBUG-../src/sshmasterconnection.cpp:1710> Channel closed. x2go-DEBUG-../src/sshprocess.cpp:517> SSH finished: raw output (stdout): "X2GODATABEGIN:d93c9f1a-2d4d-42fb-92a9-5373621768f6 X2GODATAEND:d93c9f1a-2d4d-42fb-92a9-5373621768f6 " x2go-DEBUG-../src/sshprocess.cpp:528> SSH finished: true - "" (6). <repeat every 10 seconds> """ And the log of SshProcess cleanup when the session is disconnected after a little over one minute: """ x2go-DEBUG-../src/sshmasterconnection.cpp:715> SshMasterConnection, instance SshMasterConnection(0x7fcb9cc51a90) thread finished. x2go-DEBUG-../src/sshprocess.cpp:52> SshProcess destructor called. x2go-DEBUG-../src/sshprocess.cpp:52> SshProcess destructor called. x2go-DEBUG-../src/sshprocess.cpp:52> SshProcess destructor called. x2go-DEBUG-../src/sshprocess.cpp:52> SshProcess destructor called. x2go-DEBUG-../src/sshprocess.cpp:52> SshProcess destructor called. x2go-DEBUG-../src/sshprocess.cpp:52> SshProcess destructor called. x2go-DEBUG-../src/sshprocess.cpp:52> SshProcess destructor called. x2go-DEBUG-../src/sshprocess.cpp:52> SshProcess destructor called. x2go-DEBUG-../src/sshprocess.cpp:52> SshProcess destructor called. x2go-DEBUG-../src/sshmasterconnection.cpp:722> SshMasterConnection, instance SshMasterConnection(0x7fcb9cc51a90) finished destructor. """ -- Mat Martineau Intel OTC

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x2go-dev February 2016