The not so funny thing is that I get this in Firefox 25.0.1 on Mac OS X 10.6.8 too! :-( The desktop manager does not crash, only Firefox does. But that's quite annoying as well. Most probably there's an upstream bug about this, but Google didn't spit it out on my first attempt to find it.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to lightdm in Ubuntu. https://bugs.launchpad.net/bugs/1232354 Title: Crash when dragging bookmark in Firefox Status in “lightdm” package in Ubuntu: New Bug description: When I try and drag a bookmark on Firefox's bookmarks toolbar, lightdm crashes and I'm taken back to the login screen. janc@mordor:~$ lsb_release -rd Description: Ubuntu 12.04.3 LTS Release: 12.04 janc@mordor:~$ apt-cache policy lightdm lightdm: Installed: 1.2.3-0ubuntu2.3 Candidate: 1.2.3-0ubuntu2.3 Version table: *** 1.2.3-0ubuntu2.3 0 500 http://archive.ubuntu.com/ubuntu/ precise-updates/main amd64 Packages 100 /var/lib/dpkg/status 1.2.1-0ubuntu1 0 500 http://archive.ubuntu.com/ubuntu/ precise/main amd64 Packages janc@mordor:~$ apt-cache policy firefox firefox: Installed: 24.0+build1-0ubuntu0.12.04.1 Candidate: 24.0+build1-0ubuntu0.12.04.1 Version table: *** 24.0+build1-0ubuntu0.12.04.1 0 500 http://archive.ubuntu.com/ubuntu/ precise-updates/main amd64 Packages 500 http://archive.ubuntu.com/ubuntu/ precise-security/main amd64 Packages 100 /var/lib/dpkg/status 11.0+build1-0ubuntu4 0 500 http://archive.ubuntu.com/ubuntu/ precise/main amd64 Packages ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: lightdm 1.2.3-0ubuntu2.3 ProcVersionSignature: Ubuntu 3.5.0-41.64~precise1-generic 3.5.7.21 Uname: Linux 3.5.0-41-generic x86_64 NonfreeKernelModules: fglrx ApportVersion: 2.0.1-0ubuntu17.4 Architecture: amd64 Date: Sat Sep 28 07:42:09 2013 InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425) MarkForUpload: True ProcEnviron: TERM=xterm PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: lightdm UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1232354/+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