OK, I found the culprit: I had thousands of bogus gmail contacts (created by a bug in thunderbird's google contacts addon). I deleted them and now everything is fine. Sorry!
** Changed in: empathy (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to gtk+3.0 in Ubuntu. https://bugs.launchpad.net/bugs/798377 Title: empathy is using lot of cpu when opening the window chat Status in Chat app, and Telepathy user interface: Fix Released Status in “empathy” package in Ubuntu: Invalid Status in “gtk+3.0” package in Ubuntu: Fix Released Bug description: Binary package hint: empathy 1) Open empathy 2) Connect to network 3) open windows of chat 4) full load empathy-chat ProblemType: Bug DistroRelease: Ubuntu 11.10 Package: empathy 3.1.2.1-1ubuntu1 Uname: Linux 3.0.0-0300rc3-generic x86_64 Architecture: amd64 Date: Thu Jun 16 14:39:06 2011 InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64 (20110531.1) ProcEnviron: LANGUAGE=es_CL:es_ES:en LANG=es_CL.UTF-8 SHELL=/bin/bash SourcePackage: empathy UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/empathy/+bug/798377/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp