Description of problem: Remote login to a Fedora 8 system, with Xming from Windows XP, results in an immediate crash of the gnome session, just after the (successful) login. Version-Release number of selected component (if applicable): gnome-session-2.20.2-1.fc8 How reproducible: Always Steps to Reproduce: 1. Setup XDMCP access 2. Connect from remote, using a X11 server like Xming, to the target 3. Login Actual results: Session appears for about 1 second (more or less, depending on network conditions and so on...), then the connection is lost and the local X11 server (Xming) closes down. Expected results: Well, the session should start, as it was doing with Fedora 7... Additional info: It seems there are some bugs, in Fedora 8, GNOME, Ubuntu about a gdm problem, see for example bug #379511 and bug #403961, which may resemble the situation here. I do not know if gdm has a bug, but in this case the following (differential) diagnosis ruled out gdm alone (even if it may still be guilty, see below): 1) Forcing xdm did not improve the situation. 2) Changing (from within gdm) to kde resulted in a proper login. So, I guess gnome-session is just crashing for some (unknown) reasons. One error reported in /var/log/messages is: [date host] gdm-binary[pid]: WARNING: gdm_slave_xioerror_handler: Fatal X error - Restarting [ip:screen] Which may lead to the conclusion that gdm could be involved...
After some updates (but I cannot trace back which one) it seems now possible to access the remote machine with gnome. The problem is not completely gone, since the process takes ages (several minutes) to finish. It seems there could be something related to pulseaudio, which cannot access any audio device (of course, there aren't, since we're in remote X connection). Any ideas?
Created attachment 293135 [details] log file on the server side when an attempt to open a session on the X-terminal
same problem to access X-terminal from a RHEL5-application-server with xdmcp with a RHEL4-application-server all is fine on the same X-terminal on the RHEL5-application server : - [xdmcp] Enable=true in the /etc/gdm/custom.conf - no firewall ; no iptables; no ipchains "nmap -sU" localhost shows 177/udp open - [debug]Enable=true in /etc/gdm/custom.conf gives nothing clear : see the attach file xdmcp.log on the X-terminal side : - an X error log with warnings just the same as from a RHEL4 application-server connection - the chooser menu shows the RHEl5-server - when I try to open the session one second wait ; then the X error message ... therefore : - on the RHEL5-application-server : export DISPLAY=eon37.ceremade.dauphine.fr:0;(xeyes)& ; is OK export DISPLAY=eon37.ceremade.dauphine.fr:0;(/usr/libexec/gdmgreeter)& gives : (gdmgreeter:2074): Gtk-CRITICAL **: gtk_tree_view_get_selection: assertion `GTK_IS_TREE_VIEW (tree_view)' failed but : export DOING_GDM_DEVELOPMENT=yes ; (/usr/libexec/gdmgreeter) & is OK ! I try to change : [daemon] Greeter=/usr/libexec/gdmlogin AddGtkModules=true without any result this is a great problem for me ; I have 40 X-terminal and five RHEL4 servers that I want to upgrade to RHEL5 ; without the solution to this problem I should resign
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Fedora 8 changed to end-of-life (EOL) status on 2009-01-07. Fedora 8 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. Thank you for reporting this bug and we are sorry it could not be fixed.