x2go-dev July 2015

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28 participants
148 discussions

Bug#454: [X2Go-User] Buggy File & Folder sharing
by Mike Gabriel 28 Feb '17

28 Feb '17

Package: x2goclient Tag: build-macosx Severity: important Version: 3.99.2.1 Hi Graham, hi Thierry, [I forward this bug repport to our bug tracker On Do 13 Mär 2014 15:01:42 CET, Graham Stoddart-Stones wrote: > Thierry: > > Just to confirm that we are encountering the same problem with Mac > OSX 3.5.1, X2Goclient 3.99.2.1: > > When you start up X2Goclient on the Mac, you get an error dialog: > > "sshd client not started, you'll need sshd for printing and file > sharing....." > > In OSX, openssh-server is built-in, and is activated by setting > "Enable Remote Login" in System Preferences Sharing, as many others > have noted. However, this does not stop the error dialog from > recurring every time. That leads to another error message "File > cannot be opened". If one ignores this, X2Goclient starts and runs > normally, provided one wishes to neither print locally, nor share > files from the Mac with the remote server. > > I have seen lots of other emails on this topic, suggesting that the > error message does not necessarily apply to the Mac (ie sshd is in > fact running, the error message simply means that the x2goclient > code is looking for a response from a Linux-like file (which does > not occur in the same place in OSX), similarly the "File Cannot be > opened" again refers to a file that is either not used on a Mac, or > is in a wholly different location from where that file is actually > stored on a Mac. I have not seen this point formally answered > anywhere. > > For me, the concern is that, whether sshd is running on the Mac or > not, File Sharing does not appear to be working. I am not > sufficiently familiar with X2Go nor with the Mac to know where to > look on the server for the Mac shared folders, but I do know that > there is nothing under "media", as there is with Linux and a PC, > which is where I normally look. Again, I have searched the bulletins > and forums, and often seen this point raised - I have just not found > the answer on how to get round it. > > So, am keen to see how you get on, and whether anybody else can > please shed any light! Can you cross-check the observed problem with latest X2Go Client [1]??? Can you launch X2Go Client from a terminal on Mac OS X and use a tool like strace (if that exists) and check its output for pointers to file-not-found errors? That would be really helpful for tracking down this issue. Mike [1] http://code.x2go.org/releases/binary-macosx/x2goclient/releases/4.0.1.3/ -- 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#236: x2goclient on mac ignores users language setting
by Anders Bruun Olsen 28 Feb '17

28 Feb '17

Package: x2goclient Version: 4.0.1.0 Severity: minor On Mac X2goclient will be shown in the language chosen at the time of installing OS X (system wide). If the user chose danish as the language upon first starting the machine, and then later changes the language to english for his account, x2goclient will still be in danish, despite everything else he starts being in english. -- Anders Bruun Olsen It-ansvarlig Det Danske Sprog- og Litteraturselskab (Society for Danish Language and Literature)

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Bug#234: x2goclient on mac without sshd reports error
by Anders Bruun Olsen 28 Feb '17

28 Feb '17

Package: x2goclient Version: 4.0.1.0 Severity: minor On Macs where sshd (system preferences -> sharing -> remote login) hasn't ever been enabled, there does not exist any ssh host key. X2goclient looks for this key (/etc/ssh_host_rsa_key.pub) and if it does not find it, it opens a dialog box, complaining that sshd isn't running and that filesharing and local printing won't work. This despite the session given by x2gobroker has these features disabled. X2goclient should only complain about none-running/working sshd if it is actually needed. -- Anders Bruun Olsen It-ansvarlig Det Danske Sprog- og Litteraturselskab (Society for Danish Language and Literature)

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Bug#884: nxagent fails to run with "Could not open default font 'fixed'"
by devsk 05 Feb '17

05 Feb '17

Package: nx-libsVersion: 3.5.0.30Distro: Gentoo ~amd64, fully updated.x2goclient: 4.0.3.2x2server: 4.0.1.19nx-libs (package nx in gentoo): 3.5.0.30fontsproto: 2.1.3libXfont: 1.5.1xorg-server: 1.17.1All font packages for xorg-x11 are installed and fonts.dir and fonts.alias files are correctly present and readable.Detailed troubleshooting: https://forums.gentoo.org/viewtopic-p-7755384.html The client connects and the server spawns the nxagent but then the session is unexpectedly terminated. Looking at the server side log, we see: Info: Using shared memory parameters 1/1/0/0K. Info: Using alpha channel in render extension. Info: Not using local device configuration changes. keyboard file created Error: Aborting session with 'Could not open default font 'fixed''. Session: Aborting session at 'Tue May 26 23:22:22 2015'. Session: Session aborted at 'Tue May 26 23:22:22 2015'. I ran the nxagent through strace -ff -tt -v and its clear that it loads all fonts (at least it finds all font.alias and reads them fine) correctly. None of the children it spawns run into any issues with missing files or folders. The snippet below (you can read longer strace on gentoo forum post): 22:11:10.608011 open("/usr/share/fonts/100dpi/fonts.alias", O_RDONLY) = 4 22:11:10.608108 fstat(4, {st_mode=S_IFREG|0644, st_size=3154, ...}) = 0 22:11:10.608217 fstat(4, {st_mode=S_IFREG|0644, st_size=3154, ...}) = 0 22:11:10.608308 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f29ca5a9000 22:11:10.608398 read(4, "lucidasans-bolditalic-8 -b&h-luc"..., 4096) = 3154 22:11:10.608496 brk(0x1f01000) = 0x1f01000 22:11:10.608688 read(4, "", 4096) = 0 22:11:10.608781 close(4) = 0 22:11:10.608868 munmap(0x7f29ca5a9000, 4096) = 0 22:11:10.609148 write(2, "Error: Aborting session with '", 30Error: Aborting session with ') = 30 22:11:10.609277 write(2, "Could not open default font 'fix"..., 35Could not open default font 'fixed') = 35 22:11:10.609395 write(2, "'.\n", 3'. ) = 3 Looking at the code, the origin of the error is: InitFonts(); if (loadableFonts) { SetFontPath(0, 0, (unsigned char *)defaultFontPath, &error); } else { if (SetDefaultFontPath(defaultFontPath) != Success) ErrorF("failed to set default font path '%s'", defaultFontPath); } if (!SetDefaultFont(defaultTextFont)) FatalError("could not open default font '%s'", defaultTextFont); SetDefaultFont() is failing. Looking at that function (text below from IRC channel): [19:57] <devsk> SetDefaultFont(char *defaultfontname)[19:57] <devsk> {[19:57] <devsk> int err;[19:57] <devsk> FontPtr pf;[19:57] <devsk> XID fid;[19:57] <devsk> fid = FakeClientID(0);[19:57] <devsk> err = OpenFont(serverClient, fid, FontLoadAll | FontOpenSync,[19:57] <devsk> (unsigned) strlen(defaultfontname), defaultfontname);[19:57] <devsk> if (err != Success)[19:57] <devsk> return FALSE;[19:57] <devsk> pf = (FontPtr) LookupIDByType(fid, RT_FONT);[19:57] <devsk> if (pf == (FontPtr) NULL)[19:57] <devsk> return FALSE;[19:57] <devsk> defaultFont = pf;[19:57] <devsk> return TRUE;[19:57] <devsk> I have a feeling that LookupIDByType() is the one failing[19:58] <devsk> OpenFont() has error paths for malloc failures and none of those looked like plausible[19:58] <devsk> LookupIDByType() was obsoleted quite a while ago in xorg code[19:59] <devsk> nx-X11 of course is hanging onto old code[19:59] <devsk> is it possible that there is some interaction there with newer libXfont which is making that function fail now[20:00] <devsk> unfortunately for me, its not possible to go back to libXfont-1.4. There is a bunch of crap which needs to be downgraded as well. And dependency hell breaks loose if I try that[20:00] <devsk> above snippet is in ./programs/Xserver/dix/dixfonts.c I did this experiment for localhost connection to avoid differences in client and server packages (which is not the case anyway because for me both client and remote server are Gentoo ~amd64 updated systems). Anybody got any ideas of why this is happening? Is it really about the newer fontsproto and libXfont not being compatible with nx-libs? Thanks,devsk

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Bug#884: nxagent aborts session with 'Could not open default font 'fixed''
by devsk 05 Feb '17

05 Feb '17

Hi, As per suggestion I built the code from https://github.com/ArcticaProject/nx-libs. And I still run into the same issue. Does anybody here know that part of the code (snippet in the report)? -devsk

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Bug#731: if KRB5CCNAME is not set client-side, don't trigger the KRB5 delegation code
by Mike Gabriel 18 Jan '17

18 Jan '17

Package: x2goclient Severity: important Version: 4.0.3.1 If the $KRB5CCNAME envvar is not set, X2Go Client nonetheless tries to push the KRB5CCNAME file to the X2Go Server. This results in a Qt error message window, because the copy command (cp $KRB5CCNAME $KRBFL just before executing x2goruncommand) is only evoked with one parameter ($KRBFL, $KRB5CCNAME is unset). """ x2go-DEBUG-../sshprocess.cpp:449> ssh finished: false - "cp: Fehlender ZieldateiOperand hinter /home/mike/.x2go/C-mike-52-1420843691_stDMATE_dp24/krb5cc cp --help liefert weitere Informationen. " (5). """ 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#628: x2goclient can not be compiled on Raspberry PI
by Office NextITLevel GmbH 25 Nov '16

25 Nov '16

Package: <x2goclient> Version: <4.0.2.1-0x2go1+git20140823.626+wheezy.main.1> $ uname -a Linux niu5 3.12.28+ #709 PREEMPT Mon Sep 8 15:28:00 BST 2014 armv6l GNU/Linux libc6:armhf 2.13-38+rpi2+de gcc 4:4.6.3-8 armhf -- Dear X2go Team, I cannot compile an x2goclient on a Raspberry PI. I just wanted a version of x2goclient that is newer then 3.99.2.1-5. I used the instructions on http://wiki.x2go.org/doku.php/wiki:development:build-howto-linux:x2goclient And then Install x2goclient from git At the end I got the error-msg: g++ -c -O2 -Wall -W -D_REENTRANT -DCFGCLIENT -D__linux__ -DQT_NO_DEBUG -DQT_SVG_LIB -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB -DQT_SHARED -I/usr/share/qt4/mkspecs/linux-g++ -I../../x2goclient -I/usr/include/qt4/QtCore -I/usr/include/qt4/QtNetwork -I/usr/include/qt4/QtGui -I/usr/include/qt4/QtSvg -I/usr/include/qt4 -I../../x2goclient -I. -I. -I. -o sshmasterconnection.o ../sshmasterconnection.cpp ../sshmasterconnection.cpp: In member function ‘void SshMasterConnection::checkReverseTunnelConnections()’: ../sshmasterconnection.cpp:297:73: error: ‘ssh_channel_accept_forward’ was not declared in this scope ../sshmasterconnection.cpp:308:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] Makefile:710: recipe for target 'sshmasterconnection.o' failed make[1]: *** [sshmasterconnection.o] Error 1 make[1]: Leaving directory '/home/fraroot/scripts/x2goclient/client_build' Makefile:39: recipe for target 'build_client' failed make: *** [build_client] Error 2 I would like to download x2goclient package ready for the Raspberry PI. But when I say # apt-get download x2goclient I get x2goclient_3.99.2.1-5_armhf.deb And this version makes a lot of problems with an X2goserver 4.0.1.16. If you have a version of x2goclient with 4.x.x for the Raspberry PI that would make me happy. Attached you find the detailed messages. Thank you very much and have a nice day, Franz Lückl 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

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Bug#796: Ubuntu Server 14.04.2 PPA: Unresolvable Dependencies for x2goserver
by Joe Gullo 22 Aug '16

22 Aug '16

Package: x2goserver Version: 4.1.0.0-0~1214~ubuntu14.04.1 Package: x2goagent Version: 2:3.5.0.29-0~489~ubuntu14.04.1 Package: nxagent Version: 2:3.5.0.29-0~505~ubuntu14.04.1 Fully patched ubuntu server 14.04.2 server. Using the x2go stable PPA. When trying to install x2goserver, I get the following: surfrock66@sr66-blade:~$ sudo apt-get install x2goserver x2goagent nxagent Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: nxagent : Depends: libxcomp3 (= 2:3.5.0.28-0~481~ubuntu14.04.1) but 2:3.5.0.29-0~591~ubuntu14.04.1 is to be installed Depends: libxcompext3 (= 2:3.5.0.28-0~481~ubuntu14.04.1) but it is not going to be installed Depends: libxcompshad3 (= 2:3.5.0.28-0~481~ubuntu14.04.1) but it is not going to be installed E: Unable to correct problems, you have held broken packages. surfrock66@sr66-blade:~$ sudo dpkg -s libxcomp3 | grep Version; sudo dpkg -s libxcompext3 | grep Version; sudo dpkg -s libxcompshad3 | grep Version Version: 2:3.5.0.29-0~591~ubuntu14.04.1 Version: 2:3.5.0.29-0~591~ubuntu14.04.1 Version: 2:3.5.0.29-0~591~ubuntu14.04.1 Seems the PPA hosts x2goserver, which depends on x2goagent, which depends on nxagent, which depends on these 3 libraries being downrevv'd. Joe Gullo Web Designer http://www.surfrock66.com surfrock66(a)surfrock66.com (714)926-0336 BTC: 1BsnULNMABRS8nPeMzywkxnfD5ZuRiESxu

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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/

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x2go-dev July 2015