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Fedora 20 Gnome session over X11 forwarding not working


Open an X application going through many hoops (SSH, vpn etc)Problem starting gnome-session on x-serverPutty X11 forwarding, something not working rightFedora Server: X11 won't forward over SSH?Fedora 20 FirewallD GUI not working on X11 forwardingX11 Forwarding over ssh - Could not find ':' in DISPLAY: 1virt-manager not working with X11 forwardingX11 not working on Cygwincan use gui on {console, ssh -X} using my account and vnc using new accounts but not using vnc with my accountGNOME permissions over ssh X session













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In previous Fedora/CentOS distributions I was always able to run "gnome-session" over SSH with X11 forwarding. However, in Fedora 20, I instead get a window with a sad-face graphic that says "Oh no! Something has gone wrong. A problem has occurred and the system can't recover. Please log out and try again." In the SSH command window I get this:



[root@localhost ~]# gnome-session

** (gnome-session-check-accelerated:20362): WARNING **: Couldn't connect to accessibility bus: Failed to connect to socket /tmp/dbus-ygVJHDDRF1: Connection refused
gnome-session-is-accelerated: No hardware 3D support.
gnome-session-check-accelerated: Helper exited with code 256

** (gnome-session-check-accelerated:20372): WARNING **: Couldn't connect to accessibility bus: Failed to connect to socket /tmp/dbus-ygVJHDDRF1: Connection refused
gnome-session-is-accelerated: No hardware 3D support.
gnome-session-check-accelerated: Helper exited with code 256

** (process:20356): WARNING **: software acceleration check failed: Child process exited with code 1


I am able to run most applications over X11. I tried setenforce 0 and systemctl stop firewalld but the problem still occurs. The end of the "dmesg" output doesn't appear to be useful. Why would gnome-session fail to run on X11? Is this related to my other issue with firewall-config? Fedora 20 FirewallD GUI not working on X11 forwarding










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    0















    In previous Fedora/CentOS distributions I was always able to run "gnome-session" over SSH with X11 forwarding. However, in Fedora 20, I instead get a window with a sad-face graphic that says "Oh no! Something has gone wrong. A problem has occurred and the system can't recover. Please log out and try again." In the SSH command window I get this:



    [root@localhost ~]# gnome-session

    ** (gnome-session-check-accelerated:20362): WARNING **: Couldn't connect to accessibility bus: Failed to connect to socket /tmp/dbus-ygVJHDDRF1: Connection refused
    gnome-session-is-accelerated: No hardware 3D support.
    gnome-session-check-accelerated: Helper exited with code 256

    ** (gnome-session-check-accelerated:20372): WARNING **: Couldn't connect to accessibility bus: Failed to connect to socket /tmp/dbus-ygVJHDDRF1: Connection refused
    gnome-session-is-accelerated: No hardware 3D support.
    gnome-session-check-accelerated: Helper exited with code 256

    ** (process:20356): WARNING **: software acceleration check failed: Child process exited with code 1


    I am able to run most applications over X11. I tried setenforce 0 and systemctl stop firewalld but the problem still occurs. The end of the "dmesg" output doesn't appear to be useful. Why would gnome-session fail to run on X11? Is this related to my other issue with firewall-config? Fedora 20 FirewallD GUI not working on X11 forwarding










    share|improve this question
















    bumped to the homepage by Community 23 mins ago


    This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.


















      0












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      0








      In previous Fedora/CentOS distributions I was always able to run "gnome-session" over SSH with X11 forwarding. However, in Fedora 20, I instead get a window with a sad-face graphic that says "Oh no! Something has gone wrong. A problem has occurred and the system can't recover. Please log out and try again." In the SSH command window I get this:



      [root@localhost ~]# gnome-session

      ** (gnome-session-check-accelerated:20362): WARNING **: Couldn't connect to accessibility bus: Failed to connect to socket /tmp/dbus-ygVJHDDRF1: Connection refused
      gnome-session-is-accelerated: No hardware 3D support.
      gnome-session-check-accelerated: Helper exited with code 256

      ** (gnome-session-check-accelerated:20372): WARNING **: Couldn't connect to accessibility bus: Failed to connect to socket /tmp/dbus-ygVJHDDRF1: Connection refused
      gnome-session-is-accelerated: No hardware 3D support.
      gnome-session-check-accelerated: Helper exited with code 256

      ** (process:20356): WARNING **: software acceleration check failed: Child process exited with code 1


      I am able to run most applications over X11. I tried setenforce 0 and systemctl stop firewalld but the problem still occurs. The end of the "dmesg" output doesn't appear to be useful. Why would gnome-session fail to run on X11? Is this related to my other issue with firewall-config? Fedora 20 FirewallD GUI not working on X11 forwarding










      share|improve this question
















      In previous Fedora/CentOS distributions I was always able to run "gnome-session" over SSH with X11 forwarding. However, in Fedora 20, I instead get a window with a sad-face graphic that says "Oh no! Something has gone wrong. A problem has occurred and the system can't recover. Please log out and try again." In the SSH command window I get this:



      [root@localhost ~]# gnome-session

      ** (gnome-session-check-accelerated:20362): WARNING **: Couldn't connect to accessibility bus: Failed to connect to socket /tmp/dbus-ygVJHDDRF1: Connection refused
      gnome-session-is-accelerated: No hardware 3D support.
      gnome-session-check-accelerated: Helper exited with code 256

      ** (gnome-session-check-accelerated:20372): WARNING **: Couldn't connect to accessibility bus: Failed to connect to socket /tmp/dbus-ygVJHDDRF1: Connection refused
      gnome-session-is-accelerated: No hardware 3D support.
      gnome-session-check-accelerated: Helper exited with code 256

      ** (process:20356): WARNING **: software acceleration check failed: Child process exited with code 1


      I am able to run most applications over X11. I tried setenforce 0 and systemctl stop firewalld but the problem still occurs. The end of the "dmesg" output doesn't appear to be useful. Why would gnome-session fail to run on X11? Is this related to my other issue with firewall-config? Fedora 20 FirewallD GUI not working on X11 forwarding







      ssh fedora gnome crash xorg






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      edited Mar 20 '17 at 10:16









      Community

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      asked Jan 12 '14 at 2:28









      user553702user553702

      52621016




      52621016





      bumped to the homepage by Community 23 mins ago


      This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.







      bumped to the homepage by Community 23 mins ago


      This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
























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          You need to change your window manager to something that doesn't use 3D acceleration. Set your Gnome session to fallback mode and it should work fine.






          share|improve this answer
























          • Can you please elaborate; how do I make this setting? Is it a function of the server I'm connecting to or of my SSH client? I'm connecting from Cygwin using XTerm, with the "ssh -X" / "ssh -Y" commands.

            – user553702
            Jan 12 '14 at 9:17











          Your Answer








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          You need to change your window manager to something that doesn't use 3D acceleration. Set your Gnome session to fallback mode and it should work fine.






          share|improve this answer
























          • Can you please elaborate; how do I make this setting? Is it a function of the server I'm connecting to or of my SSH client? I'm connecting from Cygwin using XTerm, with the "ssh -X" / "ssh -Y" commands.

            – user553702
            Jan 12 '14 at 9:17
















          0














          You need to change your window manager to something that doesn't use 3D acceleration. Set your Gnome session to fallback mode and it should work fine.






          share|improve this answer
























          • Can you please elaborate; how do I make this setting? Is it a function of the server I'm connecting to or of my SSH client? I'm connecting from Cygwin using XTerm, with the "ssh -X" / "ssh -Y" commands.

            – user553702
            Jan 12 '14 at 9:17














          0












          0








          0







          You need to change your window manager to something that doesn't use 3D acceleration. Set your Gnome session to fallback mode and it should work fine.






          share|improve this answer













          You need to change your window manager to something that doesn't use 3D acceleration. Set your Gnome session to fallback mode and it should work fine.







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Jan 12 '14 at 6:11









          mikebabcockmikebabcock

          949510




          949510













          • Can you please elaborate; how do I make this setting? Is it a function of the server I'm connecting to or of my SSH client? I'm connecting from Cygwin using XTerm, with the "ssh -X" / "ssh -Y" commands.

            – user553702
            Jan 12 '14 at 9:17



















          • Can you please elaborate; how do I make this setting? Is it a function of the server I'm connecting to or of my SSH client? I'm connecting from Cygwin using XTerm, with the "ssh -X" / "ssh -Y" commands.

            – user553702
            Jan 12 '14 at 9:17

















          Can you please elaborate; how do I make this setting? Is it a function of the server I'm connecting to or of my SSH client? I'm connecting from Cygwin using XTerm, with the "ssh -X" / "ssh -Y" commands.

          – user553702
          Jan 12 '14 at 9:17





          Can you please elaborate; how do I make this setting? Is it a function of the server I'm connecting to or of my SSH client? I'm connecting from Cygwin using XTerm, with the "ssh -X" / "ssh -Y" commands.

          – user553702
          Jan 12 '14 at 9:17


















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