From apt.log
Investigating (0) libcanberra-gtk3-0 [ amd64 ] < 0.28-3ubuntu3 -> 0.30-0ubuntu3 > ( libs ) Broken libcanberra-gtk3-0:amd64 Depends on libgtk-3-0 [ amd64 ] < 3.4.2-0ubuntu0.7 -> 3.10.8-0ubuntu1 > ( libs ) (>= 3.0.0) Considering libgtk-3-0:amd64 806 as a solution to libcanberra-gtk3-0:amd64 76 Removing libcanberra-gtk3-0:amd64 rather than change libgtk-3-0:amd64 [...] Investigating (0) unity-settings-daemon [ amd64 ] < none -> 14.04.0+14.04.20140407-0ubuntu1 > ( gnome ) Broken unity-settings-daemon:amd64 Depends on libcanberra-gtk3-0 [ amd64 ] < 0.28-3ubuntu3 -> 0.30-0ubuntu3 > ( libs ) (>= 0.25) Considering libcanberra-gtk3-0:amd64 76 as a solution to unity-settings-daemon:amd64 14 Holding Back unity-settings-daemon:amd64 rather than change libcanberra-gtk3-0:amd64 [...] Investigating (0) gnome-settings-daemon [ amd64 ] < 3.4.2-0ubuntu0.6.5 -> 3.8.6.1-0ubuntu10 > ( gnome ) Broken gnome-settings-daemon:amd64 Depends on libcanberra-gtk3-0 [ amd64 ] < 0.28-3ubuntu3 -> 0.30-0ubuntu3 > ( libs ) (>= 0.25) Considering libcanberra-gtk3-0:amd64 76 as a solution to gnome-settings-daemon:amd64 13 [...] Investigating (0) gnome-session [ amd64 ] < 3.2.1-0ubuntu8 -> 3.9.90-0ubuntu12 > ( gnome ) Broken gnome-session:amd64 Depends on gnome-settings-daemon [ amd64 ] < 3.4.2-0ubuntu0.6.5 -> 3.8.6.1-0ubuntu10 > ( gnome ) (>= 3.0) Considering gnome-settings-daemon:amd64 13 as a solution to gnome-session:amd64 5 Removing gnome-session:amd64 rather than change gnome-settings-daemon:amd64
From apt.log
Investigating (0) libcanberra-gtk3-0 [ amd64 ] < 0.28-3ubuntu3 -> 0.30-0ubuntu3 > ( libs ) gtk3-0: amd64 Depends on libgtk-3-0 [ amd64 ] < 3.4.2-0ubuntu0.7 -> 3.10.8-0ubuntu1 > ( libs ) (>= 3.0.0) gtk3-0: amd64 76 gtk3-0: amd64 rather than change libgtk-3-0:amd64 daemon [ amd64 ] < none -> 14.04.0+ 14.04.20140407- 0ubuntu1 > ( gnome ) daemon: amd64 Depends on libcanberra-gtk3-0 [ amd64 ] < 0.28-3ubuntu3 -> 0.30-0ubuntu3 > ( libs ) (>= 0.25) gtk3-0: amd64 76 as a solution to unity-settings- daemon: amd64 14 daemon: amd64 rather than change libcanberra- gtk3-0: amd64 daemon [ amd64 ] < 3.4.2-0ubuntu0.6.5 -> 3.8.6.1-0ubuntu10 > ( gnome ) daemon: amd64 Depends on libcanberra-gtk3-0 [ amd64 ] < 0.28-3ubuntu3 -> 0.30-0ubuntu3 > ( libs ) (>= 0.25) gtk3-0: amd64 76 as a solution to gnome-settings- daemon: amd64 13 daemon [ amd64 ] < 3.4.2-0ubuntu0.6.5 -> 3.8.6.1-0ubuntu10 > ( gnome ) (>= 3.0) daemon: amd64 13 as a solution to gnome-session:amd64 5 daemon: amd64
Broken libcanberra-
Considering libgtk-3-0:amd64 806 as a solution to libcanberra-
Removing libcanberra-
[...]
Investigating (0) unity-settings-
Broken unity-settings-
Considering libcanberra-
Holding Back unity-settings-
[...]
Investigating (0) gnome-settings-
Broken gnome-settings-
Considering libcanberra-
[...]
Investigating (0) gnome-session [ amd64 ] < 3.2.1-0ubuntu8 -> 3.9.90-0ubuntu12 > ( gnome )
Broken gnome-session:amd64 Depends on gnome-settings-
Considering gnome-settings-
Removing gnome-session:amd64 rather than change gnome-settings-