FS#31893 - [gnome-session] crashing

Attached to Project: Arch Linux
Opened by Jan Rüegg (rggjan) - Thursday, 11 October 2012, 07:04 GMT
Last edited by Gerardo Exequiel Pozzi (djgera) - Saturday, 17 November 2012, 15:10 GMT
Task Type Bug Report
Category Packages: Extra
Status Closed
Assigned To Ionut Biru (wonder)
Jan Alexander Steffens (heftig)
Architecture All
Severity Medium
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Since yesterday, the gnome shell is crashing whenever logging in from GDM. I just get the mouse and the wallpaper, and after quite a long time, the "oh no, something has gone wrong - log out" message appears.

Pressing the windows button still opens the overview. Also, opening new programs in the ovieview works, but as soon as the overview is left, the black screen with the "logout" button appears in the foreground. Same thing happens in the forced fallback mode.

Starting directly via startx does not help. Starting KDE from GDB is still works. Doing a "gnome-shell --replace" within kde also works.


   xsession-errors (4.9 KiB)
This task depends upon

Closed by  Gerardo Exequiel Pozzi (djgera)
Saturday, 17 November 2012, 15:10 GMT
Reason for closing:  Fixed
Comment by Jan Rüegg (rggjan) - Thursday, 11 October 2012, 16:26 GMT
Just found the solution (or more a workaround), after about 12 hours of searching and a complete system reinstall:

The problem occurs when enabling the NetworkManager with
[code]
$ sudo systemctl enable NetworkManager.service
ln -s '/usr/lib/systemd/system/NetworkManager.service' '/etc/systemd/system/dbus-org.freedesktop.NetworkManager.service'
ln -s '/usr/lib/systemd/system/NetworkManager.service' '/etc/systemd/system/multi-user.target.wants/NetworkManager.service'
[/code]

The two services seem to conflict somehow, and the gnome session cannot start anymore. When removing the multi-user target
[code]
$ sudo rm '/etc/systemd/system/multi-user.target.wants/NetworkManager.service'
[/code]

Everything works just fine, and I can login again! I don't really know now, if the bug is within gnome-session, networkmanager or systemd... In any case, its also reported upstream:
https://bugzilla.gnome.org/show_bug.cgi?id=685934
Comment by Philipp Klein (kleinph) - Wednesday, 17 October 2012, 17:49 GMT
I can confirm this bug, but your solution doesn't work for me: gnome shows the same behaviour as before.
But I have to mention that I'm on testing and gnome-unstable.

[EDIT]
Ok after the last update it seems to work now.
Comment by Greg (dolby) - Saturday, 17 November 2012, 07:52 GMT
Is there a bug here?
You probably have some weird hack on your system because only 2 people are affected.
Comment by Philipp Klein (kleinph) - Saturday, 17 November 2012, 15:02 GMT
@dolby
No this bug doesn't occur for me anymore.
I don't think it was related with 'some weird hack' but maybe with the gnome-unstable repo, but after a few updates (I don't know which it was) the problem was gone.
Comment by Greg (dolby) - Saturday, 17 November 2012, 15:04 GMT
I missed the unstable part, it wasnt part of the original report. thanks

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