Found a hint at http://forums.debian.net/viewtopic.php?f=6&t=117788:
sjukfan ( 2014-10-02 08:42)
After an update to GLib in Jessie the other day some/a lot of program may exit with the message Attempt to unlock mutex that was not locked. This is because of change in how GLib handles unlocking of non locked mutex.
So a recompile of the package seems neccesary?
Found a hint at http:// forums. debian. net/viewtopic. php?f=6& t=117788:
sjukfan ( 2014-10-02 08:42)
After an update to GLib in Jessie the other day some/a lot of program may exit with the message Attempt to unlock mutex that was not locked. This is because of change in how GLib handles unlocking of non locked mutex.
So a recompile of the package seems neccesary?