x2go-dev March 2016

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18 participants
126 discussions

Bug#968: x2go runs "bash -c bash -c ..." on session create, causing dot bashrc issues
by Maarten Boekhold 13 Aug '16

13 Aug '16

Package: x2goserver Version: 4.0.1.19 When establishing a new x2go session, I noticed that my .bashrc file is read/sourced/executed many times, in the end screwing up my PATH and LD_LIBRARY_PATH settings (amongst others). I was surprised, because .bashrc is only supposed to be read when opening an interactive shell, and I am not expecting x2go to run interactive shells here. I did some debugging by placing the following at the start of my .bashrc: echo "bashrc" >> ~/slog ps -fea | grep boekhold >> ~/slog and based on this I can see x2go constantly running commands like: bash -c bash -c 'echo "X2GODATABEGIN:60b25f89-31db-46ec-8a7c-c93002fbfa50"; export PATH="/usr/local/bin:/usr/bin:/bin"; export HOSTNAME && x2golist still at first glance no reason for bash to process .bashrc. However, further testing: boekhold@xbmc:~$ rm slog rm: cannot remove ‘slog’: No such file or directory boekhold@xbmc:~$ bash -c date Sun Nov 22 19:39:09 GST 2015 boekhold@xbmc:~$ cat slog cat: slog: No such file or directory boekhold@xbmc:~$ bash -c bash -c date boekhold@xbmc:~$ cat slog bashrc boekhold 1147 1 1 Nov21 ? 00:20:20 ..... ..... See there? Running "bash -c bash -c" suddenly tricks bash into reading the .bashrc file. No idea how, but it happens. This is on Linux Mint 17.2, but I'm experiencing the same issue on a Centos 7 system with the x2go EPEL packages. Client is x2goclient on Windows 7 Professional SP1. I can't figure out where that "bash -c bash -c" command is being generated, hope that somebody from the X2Go team can provide some guidance here? Maarten

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Bug#751: new DebBugs scripts: mbox / cleanbug
by Mike Gabriel 10 Aug '16

10 Aug '16

Hi all, last night, I created to new scripts for the debbugs software underneath bugs.x2go.org. Both scripts are attached and can be found under /usr/lib/debbugs on host ymir.das-netzwerkteam.de. Especially the cleanbug script should be of interested here. I recently received various abuse notifications from my provider and they all relate to X2GO bugs containing mails with virus attachments. These need to be cleaned. I already did so for the reported URLs: http://bugs.x2go.org/128 http://bugs.x2go.org/232 http://bugs.x2go.org/496 http://bugs.x2go.org/765 But there are more... Please coordinate in the X2Go core team, who will work on cleaning up the X2Go bugtracker. Currently, these people have access: Heinz Mihai Mike You have to log into ymir.das-netzwerkteam.de (aka bugs.x2go.org) as user locadm and become root via sudo. The cleanbug script itself is easy to handle: # /usr/lib/debbugs/cleanbug <bugno> Once you triggered the script, you have to look at bug posts on the selected bug and say yes and no. At the end you get asked, if you really want to write back the changes to the bug. The answer's question defaults to "no". You should create some back before manipulating existing bugs. For this, create copies of <bugno>.log in /var/lib/debbugs/spool/db-h/ Note for archived bugs: for cleaning up archived bugs, you have to unarchive them first. 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/mailxchange/kronolith/fb.php?u=m.gabriel%4…

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Question about x2goclient xinerama
by Ulrich Sibiller 14 Jul '16

14 Jul '16

Hello, while testing my xinerama re-implementation I noticed that x2goclient reports a wrong width sometimes when simply moving the window without changing the size. The reported size differs by one pixel (too much or too little). When running x2goclient --debug you can see this: x2go-DEBUG-../src/onmainwindow.cpp:10160> "New proxy geometry: (x: 329, y: 214, w: 1440, h: 900" x2go-DEBUG-../src/onmainwindow.cpp:10160> "New proxy geometry: (x: 365, y: 213, w: 1440, h: 900" x2go-DEBUG-../src/onmainwindow.cpp:10160> "New proxy geometry: (x: 825, y: 190, w: 1440, h: 900" x2go-DEBUG-../src/sshprocess.cpp:189> executing remote command via SshProcess object (24): "export DISPLAY=:50;printf '\''1095 0 345 900\n0 0 1095 900'\'' > $HOME/.x2go/C-uli-50-1431636769_stDKDE_dp24/xinerama.conf" -> here the 345 should have been a 344. Interestingly my patched x2goagent (that completely ignores xinerama.conf) sees that value. So I conclude that x2goclient is manipulating the nxproxy window size by one pixel itself. Disabling xinerama in the session's configuration fixes the problem. That off-by-one behaviour is caused by this code in onmainwindow.cpp: void ONMainWindow::slotXineramaConfigured() { if (resumingSession.fullscreen) return; if (xinSizeInc == -1) xinSizeInc=1; else xinSizeInc=-1; #ifdef Q_OS_LINUX lastDisplayGeometry.setWidth(lastDisplayGeometry.width()+xinSizeInc); XSync(QX11Info::display(),false); XResizeWindow(QX11Info::display(), proxyWinId, lastDisplayGeometry.width(),lastDisplayGeometry.height()); XSync(QX11Info::display(),false); #endif #ifdef Q_OS_WIN QRect geom; wapiWindowRect ( (HWND) proxyWinId, geom ); wapiMoveWindow( (HWND) proxyWinId, geom.x(), geom.y(), geom.width()+xinSizeInc, geom.height(),true); lastDisplayGeometry=proxyWinGeometry(); #endif xineramaTimer->start(500); } If I set xinSizeInc to zero in all cases the off-by-one behaviour is completely gone. Why does xinSizeInc exist at all? Uli

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Bug#402: Numlock issues
by jordi＠amospalla.es 12 Jul '16

12 Jul '16

Package: x2goserver Version: 4.0.1.12-0x2go2+git20140108.809+wheezy.main.1 Hello, numlock does not behave correctly. It behaves like if it was randomly and continuously toggling it state. Happens when numlock key is pressed, and after some time, it seems to stabilize in some state (on or off), but it can take some time. Happens on Mate 1.6 desktop environment over Debian 6. No problem on same host with a KDE session. If numlock state is modified with numlockx binary, it works as expected, only the key triggers this. user@host:~$ while numlockx status; do sleep 0.1; done Numlock is off Numlock is off Numlock is on Numlock is on Numlock is off Numlock is on Numlock is off Numlock is on Numlock is off Numlock is on Numlock is off Numlock is off Numlock is on Numlock is on Numlock is off Numlock is on Numlock is on ... Standard output of xev, after typing on it "test" and numlock key: http://paste.debian.net/76762/

3 7

Bug#402: Related issue in Ubuntu MATE...
by Mike Gabriel 10 Jul '16

10 Jul '16

This issue (#402) is probably more a MATE upstream problem then an X2Go issue itself... Ubuntu MATE: https://bugs.launchpad.net/ubuntu-mate/+bug/1364111 MATE Upstream: https://github.com/mate-desktop/mate-settings-daemon/issues/57 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…

2 1

Bug#84: DESTDIR and OPTFLAGS patches for nx-libs
by Mike Gabriel 13 Jun '16

13 Jun '16

Package: nx-libs Patches attached for nx-libs: - bin/Makefile doesn't support DESTDIR. The attached nx-libs-destdir.patch partially addresses that. - The various nx*/configure.in files do not honor passed in compiler flags. The attached nx-libs-optflags.patch fixes that. Note also though that CFLAGS is used in some and CPPFLAGS in others. ----- Weitergeleitete Nachricht von orion(a)cora.nwra.com ----- Datum: Tue, 11 Dec 2012 16:11:02 -0700 Von: Orion Poplawski <orion(a)cora.nwra.com> Antwort an: x2go-dev(a)lists.berlios.de Betreff: [X2Go-Dev] x2go for Fedora packaging issues An: x2go-dev(a)lists.berlios.de [...] Thank you for your attention. - Orion -- Orion Poplawski Technical Manager 303-415-9701 x222 NWRA, Boulder Office FAX: 303-415-9702 3380 Mitchell Lane orion(a)nwra.com Boulder, CO 80301 http://www.nwra.com ----- 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#63: Current Cairo test suite segfaults x2goagent
by Moritz Struebe 13 Jun '16

13 Jun '16

Package: x2goagent Version: 3.5.0.16-0 x2goagant segfaults when running the cairo test suite. (The current version only compiles on Wheezy) This can be reproduced running: git clone git://anongit.freedesktop.org/git/cairo cd cairo ./autogen.sh ./configure make make test As quite few tests fail Bugs #62 and #35 might be related to Cairo.

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Bug#78: NX_xrandr lacks support from Xrandr 1.2 and higher
by Reinhard Tartler 13 Jun '16

13 Jun '16

Package: x2goagent When starting a new x2go session, the startup scripts modify the LD_LIBRARY_PATH of all applications to include /usr/lib/nx/X11/Xrandr. This replaces the system libXrandr with the NX/X2go provided one. Unfortunately, this breaks the xrandr utility: >> echo $LD_LIBRARY_PATH /usr/lib/nx/X11/Xrandr:/usr/lib/nx/X11/Xinerama:/usr/lib/nx/X11 >> xrandr xrandr: symbol lookup error: xrandr: undefined symbol: XRRGetScreenSizeRange zsh: exit 127 xrandr -- regards, Reinhard

3 5

Bug#908: nxagent segfault, causes session loss
by Rob Izzard 13 Jun '16

13 Jun '16

Package: nxagent Version: 3.5.0.32-0~668~ubuntu14.04.1 Severity: important Dear nxagent coders, Over the last couple of weeks I have lost a few x2go sessions which is, you can imagine, annoying. I thought it was just a rare bug and I was unlucky, but today it happened again so I have collected what I can. It seems that when I try to connect to a running session there is *sometimes* a crash of nxagent. Not always, but when it happens x2go terminates the session. I do not know why x2go terminates the session - surely it should allow me to retry the connect? Anyway, everything in that session is lost, so this problem is fatal as well as annoying. The connection is to localhost, so there's no network failure (despite the suggestion of the error message). I hope this isn't a problem with the latest nx 3.5.0.32 ... :-/ please let me know how I can help any further. many thanks! Rob ----------- x2goclient: NXPROXY - Version 3.5.0 Copyright (C) 2001, 2010 NoMachine. See http://www.nomachine.com/ for more information. Info: Proxy running in client mode with pid '9703'. Session: Starting session at 'Wed Jul 22 16:46:43 2015'. Info: Using abstract X11 socket in kernel namespace for accessing DISPLAY=:0. Info: Connecting to remote host 'localhost:31001'. Info: Connection to remote proxy 'localhost:31001' established. Info: Connection with remote proxy completed. Warning: Unrecognized session type 'unix-kde-depth_24'. Assuming agent session. Info: Using LAN link parameters 1536/24/1/0. Info: Using pack method '16m-jpeg-9' with session 'unix-kde-depth_24'. Info: Not using NX delta compression. Info: Not using ZLIB data compression. Info: Not using ZLIB stream compression. Info: Not using a persistent cache. Info: Forwarding X11 connections to display ':0'. Session: Session started at 'Wed Jul 22 16:46:43 2015'. Info: Established X server connection. Info: Using shared memory parameters 0/0K. Error: Failure reading from the peer proxy. Error: Connection with remote peer broken. Error: Please check the state of your network and retry. Session: Terminating session at 'Wed Jul 22 16:46:44 2015'. Session: Session terminated at 'Wed Jul 22 16:46:44 2015'. ----------- syslog (note the first 16:46:44 entry which contains the segfault) Jul 22 16:46:43 capc85 /usr/bin/x2goresume-session: client 127.0.0.1 has successfully resumed session with ID rgi-50-1437563485_stDKDE_dp24 Jul 22 16:46:44 capc85 kernel: [20606.521201] x2goagent[31916]: segfault at e0 ip 00000000004a658e sp 00007ffcbf2cf170 error 4 in nxagent[400000+555000] Jul 22 16:46:44 capc85 /usr/bin/x2gomountdirs[9804]: successfully mounted rgi@127.0.0.1:30003/home/rgi/.x2go/S-rgi-50-1437563485_stDKDE_dp24/spool to /tmp/.x2go-rgi/spool/C-rgi-50-1437563485_stDKDE_dp24 Jul 22 16:46:44 capc85 /usr/bin/x2gosetkeyboard: Setting X keyboard according to /home/rgi/.x2go/C-rgi-50-1437563485_stDKDE_dp24/keyboard Jul 22 16:46:44 capc85 /usr/bin/x2goumount-session[10024]: successfully unmounted "/tmp/.x2go-rgi/spool/C-rgi-50-1437563485_stDKDE_dp24" Jul 22 16:46:46 capc85 /usr/sbin/x2gocleansessions[1734]: rgi-50-1437563485_stDKDE_dp24, pid 31916 cleaning up stale X11 socket file: /tmp/.X11-unix/X50 Jul 22 16:46:46 capc85 /usr/sbin/x2gocleansessions[1734]: rgi-50-1437563485_stDKDE_dp24, pid 31916 cleaning up stale X11 lock file: /tmp/.X50-lock ------------- ~/.x2goclient/sessions: [20150414145525991] speed=4 pack=16m-jpeg quality=9 fstunnel=true export= iconvto=UTF-8 iconvfrom=ISO8859-1 useiconv=false fullscreen=false multidisp=false display=1 maxdim=false rdpclient=rdesktop directrdpsettings= width=800 height=600 dpi=96 setdpi=true xinerama=false usekbd=true layout=us type=auto sound=false soundsystem=pulse startsoundsystem=true soundtunnel=true defsndport=true sndport=4713 print=true name=local desktop icon=:icons/128x128/x2gosession.png host=localhost user=rgi key= rdpport=3389 sshport=22 autologin=true krblogin=false directrdp=false rootless=false published=false applications=WWWBROWSER, MAILCLIENT, OFFICE, TERMINAL command=KDE rdpoptions= rdpserver= xdmcpserver=localhost usesshproxy=false sshproxytype=SSH sshproxyuser= sshproxykeyfile= sshproxyhost= sshproxyport=22 sshproxysamepass=false sshproxysameuser=false sshproxyautologin=false clipboard=both krbdelegation=false sshproxykrblogin=false -------------- System information: Linux Kubuntu 14.04, 16 core Intel i7-5960X, kernel 4.1.3-040103-generic #201507220129, libc 2.19-0ubuntu6.6 packages installed (from "dpkg -l" and grepped) i x2goagent 2:3.5.0.32-0~668~ubuntu14.04.1 all X2Go agent ii x2goclient 4.0.4.0-0~1044~ubuntu14.04.1 amd64 X2Go Client application (Qt4) ii x2goserver 4.0.1.19-0~1064~ubuntu14.04.1 amd64 X2Go server daemon scripts ii x2goserver-extensions 4.0.1.19-0~1064~ubuntu14.04.1 all X2Go server daemon scripts (extensions) ii x2goserver-fmbindings 4.0.1.19-0~1064~ubuntu14.04.1 all Generic (freedesktop-based) file manager bindings for X2Go ii x2goserver-xsession 4.0.1.19-0~1064~ubuntu14.04.1 all X2Go server daemon scripts (Xsession runner) ii libnx-x11-6:amd64 2:3.5.0.32-0~668~ubuntu14.04.1 amd64 nx-X11 client-side library ii libnx-xcomposite1:amd64 2:3.5.0.32-0~668~ubuntu14.04.1 amd64 nx-X11 Composite extension library ii libnx-xdamage1:amd64 2:3.5.0.32-0~668~ubuntu14.04.1 amd64 nx-X11 damaged region extension library ii libnx-xdmcp6:amd64 2:3.5.0.32-0~668~ubuntu14.04.1 amd64 nx-X11 Display Manager Control Protocol library ii libnx-xext6:amd64 2:3.5.0.32-0~668~ubuntu14.04.1 amd64 nx-X11 miscellaneous extension library ii libnx-xfixes3:amd64 2:3.5.0.32-0~668~ubuntu14.04.1 amd64 nx-X11 miscellaneous 'fixes' extension library ii libnx-xinerama1:amd64 2:3.5.0.32-0~668~ubuntu14.04.1 amd64 nx-X11 Xinerama extension library ii libnx-xpm4:amd64 2:3.5.0.32-0~668~ubuntu14.04.1 amd64 nx-X11 pixmap library ii libnx-xrandr2:amd64 2:3.5.0.32-0~668~ubuntu14.04.1 amd64 nx-X11 RandR extension library ii libnx-xrender1:amd64 2:3.5.0.32-0~668~ubuntu14.04.1 amd64 nx-X11 Rendering Extension client library ii libnx-xtst6:amd64 2:3.5.0.32-0~668~ubuntu14.04.1 amd64 nx-X11 Testing -- Record extension library ii nx-x11-common 2:3.5.0.32-0~668~ubuntu14.04.1 all nx-X11 (common files) ii nxagent 2:3.5.0.32-0~668~ubuntu14.04.1 amd64 NX agent ii nxproxy 2:3.5.0.32-0~668~ubuntu14.04.1 amd64 NX proxy

3 2

Patch to support Qt5 as well as Qt4
by Sébastien Ducoulombier 04 Apr '16

04 Apr '16

Hello, Attached is a patch for X2Go Client so to support Qt5. It compiles and executes fine on Debian. I attempted to retain Qt4 compatibility using #ifdefs. -- Sébastien

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x2go-dev March 2016