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I followed this post on AU and then downgraded back to 2.32. Then I followed a tip in a post asking me to add the gnome3 PPA to install a package dconf-settings-backend because my settings weren't being remembered even after installing dconf-tools and libdconf0. Now I have the following issues:

  • The time it takes from gdm login for the desktop-background to paint and the notification area icons to appear and conky to load has gotten high which wasn't the case earlier.
  • Although I am connected to a network and can browse the internet, there is no network icon in my notification area.
  • Although there are files in my Desktop folder, I am unable to see them except for ls via terminal
  • The buttons to close, minimize and maximize have disappeared from all windows.
  • Nautilus doesn't open. When I try to open nautilus via the terminal I encounter this error:
nits@nits-workstation:~$ nautilus .

Gtk-ERROR **: GTK+ 2.x symbols detected. Using GTK+ 2.x and GTK+ 3
in the same process is not supported
aborting...
Aborted

I am guessing there is a package confusion with the upgrade from and downgrade back to Gnome2. Please help me fix this. Thanks.

Community
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Nitin Venkatesh
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1 Answers1

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That sounds like quite a mess. Perhaps you should just reinstall.

But there are some other things you can try:

  • /var/log/dpkg.log tells you which packages were installed recently; perhaps you can use that to undo some actions.

  • I would certainly start by removing any relevant PPAs and packages installed from them.

  • dpkg -l libgtk\* will tell you which 3.0 libraries are installed; possibly by pulling out libgtk-3-0 and related things you can force removal of "gnome 3".

  • strace -e trace=open nautilus will show you which libraries it's using and that might give you a clue as to which package is causing the problem.

  • Running synaptic and looking at the local/obsolete section might help you find packages that aren't in your base OS and ought to be removed.

poolie
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    Awesome!!! I removed the PPA, and searched for libgtk-3.0* packages. Removed the packages that were dependant on them and then removed them itself. Now I am back to my sweet unity desk! Thanks a mil! – Nitin Venkatesh Sep 14 '11 at 21:10
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    No problem, I am glad (and a bit surprised) I could help. – poolie Sep 14 '11 at 21:37