Description of problem: Sabayon couldn't start profile editor when running under vnc session (pure vncserver) as root. Other users are fine. Version-Release number of selected component (if applicable): Sabayon all versions starting RHEL 5.2 and including rawhide. Same symptoms on all tested systems. sabayon-2.12.4-6.el5 vnc-server-4.1.2-9.el5 Steps to Reproduce: 1. Start a vnc server session under root 2. Run Sabayon, create new profile 3. Press the Edit button and check the error message. Actual results: Traceback (most recent call last): File "/usr/libexec/sabayon-session", line 24, in ? import gtk File "/usr/lib/python2.4/site-packages/gtk-2.0/gtk/__init__.py", line 76, in ? _init() File "/usr/lib/python2.4/site-packages/gtk-2.0/gtk/__init__.py", line 64, in _init _gtk.init_check() RuntimeError: could not open display Additional info: There's a quite clear message in the vnc session log: AUDIT: Sun Aug 17 19:41:17 2008: 25330 Xvnc: client 6 rejected from local host By default, access control to the X display allows connections under same user from a local machine. Due to Sabayon nature, a different user is used for the profile editor. This attempt is denied by the server then. What makes me confused is that everything works when running vnc server under normal user and also in X root session. SELinux has no effect on the issue, running in Permissive mode. And there's no ConsoleKit in RHEL which might possibly affect access.
Forgot to add: - "xhost +" disables access control completely and Sabayon runs fine. - tried to spawn vnc session with full /etc/X11/xinit/xinitrc load, resulting in normal Gnome session started but with no effect on the access control. What I want to avoid is changing access control on user's display just for this case.
This bug appears to have been reported against 'rawhide' during the Fedora 10 development cycle. Changing version to '10'. More information and reason for this action is here: http://fedoraproject.org/wiki/BugZappers/HouseKeeping
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Fedora 10 changed to end-of-life (EOL) status on 2009-12-17. Fedora 10 is no longer maintained, which means that it will not receive any further security or bug fix updates.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.