I see GTK+3 in Utopic received the patch, but you need to patch GTK+2 as well:
https://git.gnome.org/browse/gtk+/commit/?h=gtk-2-24&id=fbf38d16bcc26630f0f721d266509f5bc292f606 -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gtk+2.0 in Ubuntu. https://bugs.launchpad.net/bugs/1376530 Title: GTK apps crashing with "Attempt to unlock mutex that was not locked" Status in “gtk+2.0” package in Ubuntu: Fix Committed Status in “gtk+2.0” package in Debian: New Bug description: Attempting to run some GTK apps (e.g. pyrenamer) on 14.10 results in an immediate crash, with the message "Attempt to unlock mutex that was not locked". https://bugzilla.gnome.org/show_bug.cgi?id=735428 seems to be the relevant upstream bug, and there is a patch here: https://github.com/GNOME/gtk/commit/79c3ff3c4ed74bbcc820dac2d5180fa4d48d55ec To some extent, this seems to be the result of individual projects using GTK incorrectly, and some fixes have been made to those individual projects. *However*, I am also seeing this bug occur in a closed source third party application, Stata 13. As Emmanuele Bassi mentions in the Gnome bug thread, there are probably a lot of applications out in the wild affected by the same issue, that in some cases cannot be fixed, so it would be good if a fix could be included in the versions of GTK that Ubuntu ships. ProblemType: Bug DistroRelease: Ubuntu 14.10 Package: libgtk-3-0 3.12.2-0ubuntu9 ProcVersionSignature: Ubuntu 3.16.0-18.25-generic 3.16.3 Uname: Linux 3.16.0-18-generic x86_64 ApportVersion: 2.14.7-0ubuntu2 Architecture: amd64 CurrentDesktop: GNOME Date: Thu Oct 2 10:05:20 2014 InstallationDate: Installed on 2014-04-24 (160 days ago) InstallationMedia: Ubuntu-GNOME 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2) SourcePackage: gtk+3.0 UpgradeStatus: Upgraded to utopic on 2014-10-01 (0 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gtk+2.0/+bug/1376530/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
