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Bug#1083: local Xfce session blocks X2Go Xfce session (and vice versa) for same user

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Bug#1083: Bug#1083: local Xfce...

Bug#1084: (NMRDraw) XView error:...

René Genz

10 Sep 2016 10 Sep '16

3:23 p.m.

Package: x2goserver-xsession Version: 4.0.1.19

the situation with X2Go and Fedora 22 x86_64 as X2Go server:

local Xfce session does not block X2Go Xfce session of same user
X2Go Xfce session does not block local Xfce session for same user

I did not test with Fedora 23.

Unfortunately, with Fedora 24 x86_64 as X2Go server this changed:

local Xfce session blocks X2Go Xfce session of same user
X2Go Xfce session blocks local Xfce session for same user

Choosing non-Xfce entry (f.e. LXDE) as X2Go and local session the connection is established and the session is started and working fine at the same time. No automatic disconnection.

Problem can be reproduced with these steps: on X2Go server computer (Fedora 24 x86_64): log in to Xfce session as 'user'

on X2Go client computer:

start X2Go Client and connect to X2Go server as 'user' and a Xfce session
in X2Go Client status changes to 'Running'
window for remote computer appears
some seconds later same window is closed automatically
in X2Go Client status changes to 'Finished'

The X2Go Client version and operating system does not seem to matter. I could reproduce the problem with:

Windows 7 X2Go Client 4.0.5.1 2016-08-18
Lubuntu 14.04 X2Go Client 4.0.1.1
Mac OS X 10.10.6 with X2Go Client 4.0.5.1

Output on Fedora 24 X2Go server is: $ tail -f /home/user/.xsession-x2go-errors XSession-x2go: X session started for user at Sat Sep 10 15:09:20 CEST 2016 xfce4-session: Another session manager is already running

$ sudo tail -f /var/log/messages Sep 10 15:30:51 f24e5720 systemd-logind: New session 21 of user user. Sep 10 15:30:51 f24e5720 systemd: Started Session 21 of user user. ... Sep 10 15:30:53 f24e5720 /usr/sbin/x2gocleansessions[753]: user-50-1473514252_stDXFCE_dp24: state file for this session does not exist: /tmp/.x2go-user/C-user-50-1473514252_stDXFCE_dp24/state (this can be ignored during session startups) Sep 10 15:30:54 f24e5720 /usr/bin/x2gostartagent: successfully started X2Go agent session with ID user-50-1473514252_stDXFCE_dp24 ... Sep 10 15:30:55 f24e5720 /usr/bin/x2goruncommand: launching session with Xsession-x2go mechanism, using STARTUP="xfce4-session" ... Sep 10 15:31:07 f24e5720 systemd-logind: Removed session 21.

Disabling SElinux on Fedora 24 X2Go server does not make a difference: $ sudo vim /etc/selinux/config set to disabled $ sudo reboot

Performing fresh installation of Fedora 24 X2Go server from scratch does not make a difference.

Version number comparison: ### F22 $ which xfce4-session /usr/bin/xfce4-session $ rpm -qf /usr/bin/xfce4-session xfce4-session-4.12.1-3.fc22.x86_64 $ rpm -q x2goserver x2goserver-4.0.1.19-3.fc22.x86_64 $ rpm -q x2goserver-xsession x2goserver-xsession-4.0.1.19-3.fc22.x86_64

### F24 $ which xfce4-session /usr/bin/xfce4-session $ rpm -qf /usr/bin/xfce4-session xfce4-session-4.12.1-9.fc24.x86_64 $ rpm -q x2goserver x2goserver-4.0.1.19-11.fc24.x86_64 $ rpm -q x2goserver-xsession x2goserver-4.0.1.19-11.fc24.x86_64

Maybe changes for this bug are related? http://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=1046

If you think this is a bug in xfce4-session or Fedora, please, tell me and I will file a bug report there.

Kind regards, René

Show replies by date

Ulrich Sibiller

11 Sep 11 Sep

10:15 a.m.

New subject: Bug#1083: Bug#1083: local Xfce session blocks X2Go Xfce session (and vice versa) for same user

On Sat, Sep 10, 2016 at 5:23 PM, René Genz <liebundartig@freenet.de> wrote:

...

Package: x2goserver-xsession Version: 4.0.1.19

the situation with X2Go and Fedora 22 x86_64 as X2Go server:

local Xfce session does not block X2Go Xfce session of same user

X2Go Xfce session does not block local Xfce session for same user

I did not test with Fedora 23.

Unfortunately, with Fedora 24 x86_64 as X2Go server this changed:

local Xfce session blocks X2Go Xfce session of same user

X2Go Xfce session blocks local Xfce session for same user

So XFCE behaves differently on Fedora 24. I suspect this is due to a change in XFCE not X2Go.

Can you please try to install the exactly same version of X2Go on both setups?

...

Maybe changes for this bug are related? http://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=1046

Maybe, dbus is suspect number one for problems like this. But first I'd like to rule out XFCE as source of the problem by installing the same version of X2Go on both systems.

Uli

René Genz

6:32 p.m.

New subject: Bug#1083: Bug#1083: local Xfce session blocks X2Go Xfce session (and vice versa) for same user

Hi Uli,

thank you for your guidance. :)

...

Can you please try to install the exactly same version of X2Go on both setups?

I installed x2goserver-xsession-4.0.1.19 on Fedora 22 and 24 by building RPMs from Fedoras SRPMs. Result: It is still the same behaviour. Fedora 22: local and X2Go Xfce sessions do not block each other for same user Fedora 24: local and X2Go Xfce sessions block each other for same user

What shall I do next?

For reference, the commands I executed and some of the output. This guide was very helpful: following guide: https://fedoraproject.org/wiki/How_to_create_an_RPM_package

[root@f24]# dnf remove -y x2go* ... Removed: apr.x86_64 1.5.2-3.fc24 clucene09-core.x86_64 0.9.21b-16.fc24 fuse-sshfs.x86_64 2.5-3.fc24 httpd-filesystem.noarch 2.4.23-4.fc24 libNX_X11.x86_64 3.5.0.32-4.fc24 libNX_Xdamage.x86_64 3.5.0.32-4.fc24 libNX_Xext.x86_64 3.5.0.32-4.fc24 libNX_Xinerama.x86_64 3.5.0.32-4.fc24 libNX_Xrandr.x86_64 3.5.0.32-4.fc24 libNX_Xtst.x86_64 3.5.0.32-4.fc24 libXcompext.x86_64 3.5.0.32-4.fc24 libmng.x86_64 2.0.3-3.fc24 nx-libs.x86_64 3.5.0.32-4.fc24 nxproxy.x86_64 3.5.0.32-4.fc24 perl-Config-Simple.noarch 4.59-22.fc24 perl-DBI.x86_64 1.634-3.fc24 perl-Sys-Syslog.x86_64 0.34-2.fc24 qt.x86_64 1:4.8.7-18.fc24 qt-settings.noarch 24-7.fc24 x2goagent.x86_64 3.5.0.32-4.fc24 x2godesktopsharing.x86_64 3.1.1.2-6.fc24 x2goplugin-provider.x86_64 4.0.5.1-1.fc24 x2goserver-fmbindings.x86_64 4.0.1.19-11.fc24 x2goserver-xsession.x86_64 apr-util.x86_64 1.5.4-3.fc24 fedora-logos-httpd.noarch 22.0.0-3.fc24 httpd.x86_64 2.4.23-4.fc24 httpd-tools.x86_64 2.4.23-4.fc24 libNX_Xcomposite.x86_64 3.5.0.32-4.fc24 libNX_Xdmcp.x86_64 3.5.0.32-4.fc24 libNX_Xfixes.x86_64 3.5.0.32-4.fc24 libNX_Xpm.x86_64 3.5.0.32-4.fc24 libNX_Xrender.x86_64 3.5.0.32-4.fc24 libXcomp.x86_64 3.5.0.32-4.fc24 libXcompshad.x86_64 3.5.0.32-4.fc24 libssh.x86_64 0.7.3-1.fc24 nxagent.x86_64 3.5.0.32-4.fc24 perl-Capture-Tiny.noarch 0.36-1.fc24 perl-DBD-SQLite.x86_64 1.50-2.fc24 perl-File-Which.noarch 1.21-1.fc24 pwgen.x86_64 2.07-3.fc24 qt-common.noarch 1:4.8.7-18.fc24 qt-x11.x86_64 1:4.8.7-18.fc24 x2goclient.x86_64 4.0.5.1-1.fc24 x2goplugin.x86_64 4.0.5.1-1.fc24 x2goserver.x86_64 4.0.1.19-11.fc24 x2goserver-printing.x86_64 4.0.1.19-11.fc24 4.0.1.19-11.fc24

[root@f24]# dnf install -y @development-tools fedora-packager rpmdevtools

[root@f24]# /usr/sbin/useradd makerpm [root@f24]# usermod -a -G mock makerpm ### mistake in guide: F24 uses mockbuild [root@f24]# /usr/sbin/useradd mockbuild [root@f24]# usermod -a -G mockbuild mockbuild

[root@f24]# passwd makerpm [root@f24]# su - makerpm [makerpm@f24]$ rpmdev-setuptree

[makerpm@f24]$ dnf download --source nx-libs x2goserver # downloads: nx-libs-3.5.0.32-4.fc24.src.rpm x2goserver-4.0.1.19-11.fc24.src.rpm # 'x2goserver-xsession' downloads x2goserver file too

[makerpm@f24]$ rpm -ivh nx-libs-3.5.0.32-4.fc24.src.rpm

[makerpm@f24]$ cd rpmbuild/SPECS [makerpm@f24]$ rpmlint nx-libs.spec 0 packages and 1 specfiles checked; 0 errors, 0 warnings.

[makerpm@f24]$ rpmbuild -ba nx-libs.spec error: Failed build dependencies: imake is needed by nx-libs-3.5.0.32-4.fc24.x86_64 libfontenc-devel is needed by nx-libs-3.5.0.32-4.fc24.x86_64 libjpeg-devel is needed by nx-libs-3.5.0.32-4.fc24.x86_64

[root@f24]# dnf install -y imake libfontenc-devel libjpeg-devel [root@f24]# su - makerpm [makerpm@f24]$ cd rpmbuild/SPECS [makerpm@f24]$ rpmbuild -ba nx-libs.spec

[makerpm@f24]$ cd [makerpm@f24]$ rpm -ivh x2goserver-4.0.1.19-11.fc24.src.rpm [makerpm@f24]$ cd rpmbuild/SPECS [makerpm@f24]$ rpmbuild -ba x2goserver.spec error: Failed build dependencies: man2html-core is needed by x2goserver-4.0.1.19-11.fc24.x86_64 perl(ExtUtils::MakeMaker) is needed by x2goserver-4.0.1.19-11.fc24.x86_64

[root@f24]# dnf install -y man2html-core perl-ExtUtils-MakeMaker [root@f24]# su - makerpm [makerpm@f24]$ cd rpmbuild/SPECS [makerpm@f24]$ rpmbuild -ba x2goserver.spec

[makerpm@f24 SPECS]$ ls ../RPMS/x86_64/ libNX_X11-3.5.0.32-4.fc24.x86_64.rpm libNX_Xpm-3.5.0.32-4.fc24.x86_64.rpm nxauth-3.5.0.32-4.fc24.x86_64.rpm libNX_X11-devel-3.5.0.32-4.fc24.x86_64.rpm libNX_Xpm-devel-3.5.0.32-4.fc24.x86_64.rpm nx-libs-3.5.0.32-4.fc24.x86_64.rpm libNX_Xau-3.5.0.32-4.fc24.x86_64.rpm libNX_Xrandr-3.5.0.32-4.fc24.x86_64.rpm nx-libs-debuginfo-3.5.0.32-4.fc24.x86_64.rpm libNX_Xau-devel-3.5.0.32-4.fc24.x86_64.rpm libNX_Xrender-3.5.0.32-4.fc24.x86_64.rpm nx-libs-devel-3.5.0.32-4.fc24.x86_64.rpm libNX_Xcomposite-3.5.0.32-4.fc24.x86_64.rpm libNX_Xrender-devel-3.5.0.32-4.fc24.x86_64.rpm nx-proto-devel-3.5.0.32-4.fc24.x86_64.rpm libNX_Xdamage-3.5.0.32-4.fc24.x86_64.rpm libNX_Xtst-3.5.0.32-4.fc24.x86_64.rpm nxproxy-3.5.0.32-4.fc24.x86_64.rpm libNX_Xdmcp-3.5.0.32-4.fc24.x86_64.rpm libXcomp-3.5.0.32-4.fc24.x86_64.rpm x2goagent-3.5.0.32-4.fc24.x86_64.rpm libNX_Xdmcp-devel-3.5.0.32-4.fc24.x86_64.rpm libXcomp-devel-3.5.0.32-4.fc24.x86_64.rpm x2goserver-4.0.1.19-11.fc24.x86_64.rpm libNX_Xext-3.5.0.32-4.fc24.x86_64.rpm libXcompext-3.5.0.32-4.fc24.x86_64.rpm x2goserver-debuginfo-4.0.1.19-11.fc24.x86_64.rpm libNX_Xext-devel-3.5.0.32-4.fc24.x86_64.rpm libXcompext-devel-3.5.0.32-4.fc24.x86_64.rpm x2goserver-fmbindings-4.0.1.19-11.fc24.x86_64.rpm libNX_Xfixes-3.5.0.32-4.fc24.x86_64.rpm libXcompshad-3.5.0.32-4.fc24.x86_64.rpm x2goserver-printing-4.0.1.19-11.fc24.x86_64.rpm libNX_Xfixes-devel-3.5.0.32-4.fc24.x86_64.rpm libXcompshad-devel-3.5.0.32-4.fc24.x86_64.rpm x2goserver-xsession-4.0.1.19-11.fc24.x86_64.rpm libNX_Xinerama-3.5.0.32-4.fc24.x86_64.rpm nxagent-3.5.0.32-4.fc24.x86_64.rpm

[root@f24]# cd /home/makerpm/rpmbuild/RPMS/x86_64 [root@f24 x86_64]# dnf install ./* Failed to set locale, defaulting to C Last metadata expiration check: 0:42:42 ago on Sun Sep 11 17:16:46 2016. Dependencies resolved.

Package Arch Version Repository Size

Installing: fuse-sshfs x86_64 2.5-3.fc24 fedora 63 k libNX_X11 x86_64 3.5.0.32-4.fc24 @commandline 517 k libNX_X11-devel x86_64 3.5.0.32-4.fc24 @commandline 53 k libNX_Xau x86_64 3.5.0.32-4.fc24 @commandline 16 k libNX_Xau-devel x86_64 3.5.0.32-4.fc24 @commandline 12 k libNX_Xcomposite x86_64 3.5.0.32-4.fc24 @commandline 15 k libNX_Xdamage x86_64 3.5.0.32-4.fc24 @commandline 15 k libNX_Xdmcp x86_64 3.5.0.32-4.fc24 @commandline 19 k libNX_Xdmcp-devel x86_64 3.5.0.32-4.fc24 @commandline 13 k libNX_Xext x86_64 3.5.0.32-4.fc24 @commandline 34 k libNX_Xext-devel x86_64 3.5.0.32-4.fc24 @commandline 40 k libNX_Xfixes x86_64 3.5.0.32-4.fc24 @commandline 18 k libNX_Xfixes-devel x86_64 3.5.0.32-4.fc24 @commandline 12 k libNX_Xinerama x86_64 3.5.0.32-4.fc24 @commandline 15 k libNX_Xpm x86_64 3.5.0.32-4.fc24 @commandline 42 k libNX_Xpm-devel x86_64 3.5.0.32-4.fc24 @commandline 15 k libNX_Xrandr x86_64 3.5.0.32-4.fc24 @commandline 17 k libNX_Xrender x86_64 3.5.0.32-4.fc24 @commandline 28 k libNX_Xrender-devel x86_64 3.5.0.32-4.fc24 @commandline 14 k libNX_Xtst x86_64 3.5.0.32-4.fc24 @commandline 20 k libXcomp x86_64 3.5.0.32-4.fc24 @commandline 318 k libXcomp-devel x86_64 3.5.0.32-4.fc24 @commandline 24 k libXcompext x86_64 3.5.0.32-4.fc24 @commandline 41 k libXcompext-devel x86_64 3.5.0.32-4.fc24 @commandline 16 k libXcompshad x86_64 3.5.0.32-4.fc24 @commandline 40 k libXcompshad-devel x86_64 3.5.0.32-4.fc24 @commandline 17 k nx-libs x86_64 3.5.0.32-4.fc24 @commandline 22 k nx-libs-debuginfo x86_64 3.5.0.32-4.fc24 @commandline 9.8 M nx-libs-devel x86_64 3.5.0.32-4.fc24 @commandline 41 k nx-proto-devel x86_64 3.5.0.32-4.fc24 @commandline 127 k nxagent x86_64 3.5.0.32-4.fc24 @commandline 1.7 M nxauth x86_64 3.5.0.32-4.fc24 @commandline 30 k nxproxy x86_64 3.5.0.32-4.fc24 @commandline 15 k perl-Capture-Tiny noarch 0.36-1.fc24 fedora 37 k perl-Config-Simple noarch 4.59-22.fc24 fedora 39 k perl-DBD-SQLite x86_64 1.50-2.fc24 fedora 179 k perl-DBI x86_64 1.634-3.fc24 fedora 729 k perl-File-Which noarch 1.21-1.fc24 fedora 23 k perl-Sys-Syslog x86_64 0.34-2.fc24 updates 48 k pwgen x86_64 2.07-3.fc24 fedora 30 k x2goagent x86_64 3.5.0.32-4.fc24 @commandline 19 k x2goserver x86_64 4.0.1.19-11.fc24 @commandline 106 k x2goserver-debuginfo x86_64 4.0.1.19-11.fc24 @commandline 16 k x2goserver-fmbindings x86_64 4.0.1.19-11.fc24 @commandline 17 k x2goserver-printing x86_64 4.0.1.19-11.fc24 @commandline 17 k x2goserver-xsession x86_64 4.0.1.19-11.fc24 @commandline 17 k

# reboot

### test again on F24: same behaviour

### Fedora 22 [root@f22]# dnf remove -y x2go* ... Removed: apr.x86_64 1.5.1-3.fc22 apr-util.x86_64 1.5.4-1.fc22 fedora-logos-httpd.noarch 22.0.0-1.fc22 fuse-sshfs.x86_64 2.5-1.fc22 httpd.x86_64 2.4.18-1.fc22 httpd-filesystem.noarch 2.4.18-1.fc22 httpd-tools.x86_64 2.4.18-1.fc22 libNX_X11.x86_64 3.5.0.32-3.fc22 libNX_Xcomposite.x86_64 3.5.0.32-3.fc22 libNX_Xdamage.x86_64 3.5.0.32-3.fc22 libNX_Xdmcp.x86_64 3.5.0.32-3.fc22 libNX_Xext.x86_64 3.5.0.32-3.fc22 libNX_Xfixes.x86_64 3.5.0.32-3.fc22 libNX_Xinerama.x86_64 3.5.0.32-3.fc22 libNX_Xpm.x86_64 3.5.0.32-3.fc22 libNX_Xrandr.x86_64 3.5.0.32-3.fc22 libNX_Xrender.x86_64 3.5.0.32-3.fc22 libNX_Xtst.x86_64 3.5.0.32-3.fc22 libXcompext.x86_64 3.5.0.32-3.fc22 libXcompshad.x86_64 3.5.0.32-3.fc22 libnghttp2.x86_64 1.7.1-1.fc22 nxagent.x86_64 3.5.0.32-3.fc22 perl-Capture-Tiny.noarch 0.28-1.fc22 perl-Config-Simple.noarch 4.59-18.fc22 perl-DBD-SQLite.x86_64 1.46-4.fc22 perl-File-BaseDir.noarch 0.07-1.fc22 perl-File-Which.noarch 1.09-19.fc22 perl-Sys-Syslog.x86_64 0.34-1.fc22 pwgen.x86_64 2.07-1.fc22 x2goagent.x86_64 3.5.0.32-3.fc22 x2goclient.x86_64 4.0.5.1-1.fc22 x2godesktopsharing.x86_64 3.1.1.2-1.fc22 x2goplugin.x86_64 4.0.5.1-1.fc22 x2goplugin-provider.x86_64 4.0.5.1-1.fc22 x2goserver.x86_64 4.0.1.19-3.fc22 x2goserver-fmbindings.x86_64 4.0.1.19-3.fc22 x2goserver-printing.x86_64 4.0.1.19-3.fc22 x2goserver-xsession.x86_64 4.0.1.19-3.fc22

[root@f22]# dnf install -y @development-tools fedora-packager rpmdevtools

[root@f22]# /usr/sbin/useradd makerpm [root@f22]# usermod -a -G mock makerpm ### just carried over F24 adaption [root@f22]# /usr/sbin/useradd mockbuild [root@f22]# usermod -a -G mockbuild mockbuild

[root@f22]# passwd makerpm [root@f22]# su - makerpm [makerpm@f22]$ rpmdev-setuptree

### put files on Fedora 22 machine: nx-libs-3.5.0.32-4.fc24.src.rpm x2goserver-4.0.1.19-11.fc24.src.rpm

[makerpm@f22]$ rpm -ivh nx-libs-3.5.0.32-4.fc24.src.rpm

[makerpm@f22]$ cd rpmbuild/SPECS [makerpm@f22]$ rpmbuild -ba nx-libs.spec error: Failed build dependencies: autoconf is needed by nx-libs-3.5.0.32-4.fc22.x86_64 expat-devel is needed by nx-libs-3.5.0.32-4.fc22.x86_64 fontconfig-devel is needed by nx-libs-3.5.0.32-4.fc22.x86_64 freetype-devel is needed by nx-libs-3.5.0.32-4.fc22.x86_64 imake is needed by nx-libs-3.5.0.32-4.fc22.x86_64 libfontenc-devel is needed by nx-libs-3.5.0.32-4.fc22.x86_64 libjpeg-devel is needed by nx-libs-3.5.0.32-4.fc22.x86_64

[root@f22]# dnf install -y autoconf expat-devel fontconfig-devel freetype-devel imake libfontenc-devel libjpeg-devel [root@f22]# su - makerpm [makerpm@f22]$ cd rpmbuild/SPECS [makerpm@f22]$ rpmbuild -ba nx-libs.spec ... configure: WARNING: unrecognized options: --disable-dependency-tracking ... configure: error: C++ compiler cannot create executables See `config.log' for more details ... [root@f22]# dnf install gcc-c++ [root@f22]# su - makerpm [makerpm@f22]$ cd rpmbuild/SPECS [makerpm@f22]$ rpmbuild -ba nx-libs.spec

[makerpm@f22]$ cd [makerpm@f22]$ rpm -ivh x2goserver-4.0.1.19-11.fc24.src.rpm [makerpm@f22]$ cd rpmbuild/SPECS [makerpm@f22]$ rpmbuild -ba x2goserver.spec error: Failed build dependencies: man2html-core is needed by x2goserver-4.0.1.19-11.fc24.x86_64 perl(ExtUtils::MakeMaker) is needed by x2goserver-4.0.1.19-11.fc24.x86_64

[root@f22]# dnf install -y man2html-core perl-ExtUtils-MakeMaker [root@f22]# su - makerpm [makerpm@f22]$ cd rpmbuild/SPECS [makerpm@f22]$ rpmbuild -ba x2goserver.spec

[makerpm@f22]$ ls ../RPMS/x86_64/ libNX_X11-3.5.0.32-4.fc22.x86_64.rpm libNX_X11-devel-3.5.0.32-4.fc22.x86_64.rpm libNX_Xau-3.5.0.32-4.fc22.x86_64.rpm libNX_Xau-devel-3.5.0.32-4.fc22.x86_64.rpm libNX_Xcomposite-3.5.0.32-4.fc22.x86_64.rpm libNX_Xdamage-3.5.0.32-4.fc22.x86_64.rpm libNX_Xdmcp-3.5.0.32-4.fc22.x86_64.rpm libNX_Xdmcp-devel-3.5.0.32-4.fc22.x86_64.rpm libNX_Xext-3.5.0.32-4.fc22.x86_64.rpm libNX_Xext-devel-3.5.0.32-4.fc22.x86_64.rpm libNX_Xfixes-3.5.0.32-4.fc22.x86_64.rpm libNX_Xfixes-devel-3.5.0.32-4.fc22.x86_64.rpm libNX_Xinerama-3.5.0.32-4.fc22.x86_64.rpm libNX_Xpm-3.5.0.32-4.fc22.x86_64.rpm libNX_Xpm-devel-3.5.0.32-4.fc22.x86_64.rpm libNX_Xrandr-3.5.0.32-4.fc22.x86_64.rpm libNX_Xrender-3.5.0.32-4.fc22.x86_64.rpm libNX_Xrender-devel-3.5.0.32-4.fc22.x86_64.rpm libNX_Xtst-3.5.0.32-4.fc22.x86_64.rpm libXcomp-3.5.0.32-4.fc22.x86_64.rpm libXcomp-devel-3.5.0.32-4.fc22.x86_64.rpm libXcompext-3.5.0.32-4.fc22.x86_64.rpm libXcompext-devel-3.5.0.32-4.fc22.x86_64.rpm libXcompshad-3.5.0.32-4.fc22.x86_64.rpm libXcompshad-devel-3.5.0.32-4.fc22.x86_64.rpm nxagent-3.5.0.32-4.fc22.x86_64.rpm nxauth-3.5.0.32-4.fc22.x86_64.rpm nx-libs-3.5.0.32-4.fc22.x86_64.rpm nx-libs-debuginfo-3.5.0.32-4.fc22.x86_64.rpm nx-libs-devel-3.5.0.32-4.fc22.x86_64.rpm nx-proto-devel-3.5.0.32-4.fc22.x86_64.rpm nxproxy-3.5.0.32-4.fc22.x86_64.rpm x2goagent-3.5.0.32-4.fc22.x86_64.rpm x2goserver-4.0.1.19-11.fc22.x86_64.rpm x2goserver-debuginfo-4.0.1.19-11.fc22.x86_64.rpm x2goserver-fmbindings-4.0.1.19-11.fc22.x86_64.rpm x2goserver-printing-4.0.1.19-11.fc22.x86_64.rpm x2goserver-xsession-4.0.1.19-11.fc22.x86_64.rpm

[root@f22]# cd /home/makerpm/rpmbuild/RPMS/x86_64 [root@f22]# dnf install -y ./* Last metadata expiration check performed 1:03:24 ago on Sun Sep 11 18:50:43 2016. Dependencies resolved.

Package Arch Version Repository Size

Installing: fuse-sshfs x86_64 2.5-1.fc22 fedora 63 k libNX_X11 x86_64 3.5.0.32-4.fc22 @commandline 520 k libNX_X11-devel x86_64 3.5.0.32-4.fc22 @commandline 53 k libNX_Xau x86_64 3.5.0.32-4.fc22 @commandline 16 k libNX_Xau-devel x86_64 3.5.0.32-4.fc22 @commandline 12 k libNX_Xcomposite x86_64 3.5.0.32-4.fc22 @commandline 15 k libNX_Xdamage x86_64 3.5.0.32-4.fc22 @commandline 15 k libNX_Xdmcp x86_64 3.5.0.32-4.fc22 @commandline 19 k libNX_Xdmcp-devel x86_64 3.5.0.32-4.fc22 @commandline 13 k libNX_Xext x86_64 3.5.0.32-4.fc22 @commandline 34 k libNX_Xext-devel x86_64 3.5.0.32-4.fc22 @commandline 40 k libNX_Xfixes x86_64 3.5.0.32-4.fc22 @commandline 18 k libNX_Xfixes-devel x86_64 3.5.0.32-4.fc22 @commandline 12 k libNX_Xinerama x86_64 3.5.0.32-4.fc22 @commandline 15 k libNX_Xpm x86_64 3.5.0.32-4.fc22 @commandline 42 k libNX_Xpm-devel x86_64 3.5.0.32-4.fc22 @commandline 14 k libNX_Xrandr x86_64 3.5.0.32-4.fc22 @commandline 17 k libNX_Xrender x86_64 3.5.0.32-4.fc22 @commandline 28 k libNX_Xrender-devel x86_64 3.5.0.32-4.fc22 @commandline 14 k libNX_Xtst x86_64 3.5.0.32-4.fc22 @commandline 20 k libXcomp-devel x86_64 3.5.0.32-4.fc22 @commandline 24 k libXcompext x86_64 3.5.0.32-4.fc22 @commandline 42 k libXcompext-devel x86_64 3.5.0.32-4.fc22 @commandline 16 k libXcompshad x86_64 3.5.0.32-4.fc22 @commandline 40 k libXcompshad-devel x86_64 3.5.0.32-4.fc22 @commandline 17 k nx-libs-debuginfo x86_64 3.5.0.32-4.fc22 @commandline 9.7 M nx-libs-devel x86_64 3.5.0.32-4.fc22 @commandline 41 k nx-proto-devel x86_64 3.5.0.32-4.fc22 @commandline 127 k nxagent x86_64 3.5.0.32-4.fc22 @commandline 1.7 M nxauth x86_64 3.5.0.32-4.fc22 @commandline 30 k perl-Capture-Tiny noarch 0.28-1.fc22 fedora 36 k perl-Config-Simple noarch 4.59-18.fc22 fedora 40 k perl-DBD-SQLite x86_64 1.46-4.fc22 updates 168 k perl-File-BaseDir noarch 0.07-1.fc22 fedora 22 k perl-File-Which noarch 1.09-19.fc22 fedora 22 k perl-Sys-Syslog x86_64 0.34-1.fc22 updates 47 k pwgen x86_64 2.07-1.fc22 fedora 28 k x2goagent x86_64 3.5.0.32-4.fc22 @commandline 19 k x2goserver x86_64 4.0.1.19-11.fc22 @commandline 106 k x2goserver-debuginfo x86_64 4.0.1.19-11.fc22 @commandline 16 k x2goserver-fmbindings x86_64 4.0.1.19-11.fc22 @commandline 16 k x2goserver-printing x86_64 4.0.1.19-11.fc22 @commandline 17 k x2goserver-xsession x86_64 4.0.1.19-11.fc22 @commandline 17 k Upgrading: libXcomp x86_64 3.5.0.32-4.fc22 @commandline 319 k nx-libs x86_64 3.5.0.32-4.fc22 @commandline 22 k nxproxy x86_64 3.5.0.32-4.fc22 @commandline 15 k

[root@f22]# reboot

### test again on F22: same behaviour

### not tested: code from X2Go repo $ wget --timestamping 'http://packages.x2go.org/fedora/24/main/SRPM/rpms/nx-libs/nx-libs-3.5.0.32-0...' $ wget --timestamping 'http://packages.x2go.org/fedora/24/main/SRPM/rpms/x2goserver/x2goserver-4.0....'

Kind regards, René

Orion Poplawski

12 Sep 12 Sep

8:49 p.m.

New subject: Bug#1083: Bug#1083: local Xfce session blocks X2Go Xfce session (and vice versa) for same user

On 09/10/2016 09:23 AM, René Genz wrote:

...

Package: x2goserver-xsession Version: 4.0.1.19

the situation with X2Go and Fedora 22 x86_64 as X2Go server:

local Xfce session does not block X2Go Xfce session of same user

X2Go Xfce session does not block local Xfce session for same user

I did not test with Fedora 23.

Unfortunately, with Fedora 24 x86_64 as X2Go server this changed:

local Xfce session blocks X2Go Xfce session of same user

X2Go Xfce session blocks local Xfce session for same user

Choosing non-Xfce entry (f.e. LXDE) as X2Go and local session the connection is established and the session is started and working fine at the same time. No automatic disconnection.

Problem can be reproduced with these steps: on X2Go server computer (Fedora 24 x86_64): log in to Xfce session as 'user'

on X2Go client computer:

start X2Go Client and connect to X2Go server as 'user' and a Xfce session

in X2Go Client status changes to 'Running'

window for remote computer appears

some seconds later same window is closed automatically

in X2Go Client status changes to 'Finished'

The X2Go Client version and operating system does not seem to matter. I could reproduce the problem with:

Windows 7 X2Go Client 4.0.5.1 2016-08-18

Lubuntu 14.04 X2Go Client 4.0.1.1

Mac OS X 10.10.6 with X2Go Client 4.0.5.1

Output on Fedora 24 X2Go server is: $ tail -f /home/user/.xsession-x2go-errors XSession-x2go: X session started for user at Sat Sep 10 15:09:20 CEST 2016 xfce4-session: Another session manager is already running

$ sudo tail -f /var/log/messages Sep 10 15:30:51 f24e5720 systemd-logind: New session 21 of user user. Sep 10 15:30:51 f24e5720 systemd: Started Session 21 of user user. ... Sep 10 15:30:53 f24e5720 /usr/sbin/x2gocleansessions[753]: user-50-1473514252_stDXFCE_dp24: state file for this session does not exist: /tmp/.x2go-user/C-user-50-1473514252_stDXFCE_dp24/state (this can be ignored during session startups) Sep 10 15:30:54 f24e5720 /usr/bin/x2gostartagent: successfully started X2Go agent session with ID user-50-1473514252_stDXFCE_dp24 ... Sep 10 15:30:55 f24e5720 /usr/bin/x2goruncommand: launching session with Xsession-x2go mechanism, using STARTUP="xfce4-session" ... Sep 10 15:31:07 f24e5720 systemd-logind: Removed session 21.

Disabling SElinux on Fedora 24 X2Go server does not make a difference: $ sudo vim /etc/selinux/config set to disabled $ sudo reboot

Performing fresh installation of Fedora 24 X2Go server from scratch does not make a difference.

Version number comparison: ### F22 $ which xfce4-session /usr/bin/xfce4-session $ rpm -qf /usr/bin/xfce4-session xfce4-session-4.12.1-3.fc22.x86_64 $ rpm -q x2goserver x2goserver-4.0.1.19-3.fc22.x86_64 $ rpm -q x2goserver-xsession x2goserver-xsession-4.0.1.19-3.fc22.x86_64

### F24 $ which xfce4-session /usr/bin/xfce4-session $ rpm -qf /usr/bin/xfce4-session xfce4-session-4.12.1-9.fc24.x86_64 $ rpm -q x2goserver x2goserver-4.0.1.19-11.fc24.x86_64 $ rpm -q x2goserver-xsession x2goserver-4.0.1.19-11.fc24.x86_64

Maybe changes for this bug are related? http://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=1046

If you think this is a bug in xfce4-session or Fedora, please, tell me and I will file a bug report there.

This looks like a dupe of X2Go bug report #1046. See also https://bugzilla.redhat.com/show_bug.cgi?id=1350004

There have been no comments from the X2Go folks on that report though.

Does the fix from that report work for you?

-- Orion Poplawski Technical Manager 303-415-9701 x222 NWRA, Boulder/CoRA Office FAX: 303-415-9702 3380 Mitchell Lane orion@nwra.com Boulder, CO 80301 http://www.nwra.com

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Orion Poplawski
René Genz
Ulrich Sibiller