This happened to me after running 'unity --replace' to workaround another bug(#1311316). It has happened to me several times before. I attached the full console output here is an excerpt:
$ unity --replace .... WARN 2015-03-26 15:09:47 unityo (appinfo2) <unknown>:0 g_settings_set_value: value for key 'text-scaling-factor' in schema 'org.gnome.desktop.interface' is outside of valid range WARN 2015-03-26 15:09:48 unityo (appinfo2) <unknown>:0 g_settings_set_value: value for key 'text-scaling-factor' in schema 'org.gnome.desktop.interface' is outside of valid range .... ** Attachment added: "Console output when running unity --replace (which triggered the bug)" https://bugs.launchpad.net/unity/+bug/1310316/+attachment/4357432/+files/unityConsoleOuput.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1310316 Title: Text scaling factor changing unexpectedly To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/1310316/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs