I downgraded mesa packages and it removed all :i386 packages ... I can't ppa-purge, I get:
$ sudo ppa-purge xorg-edgers Updating packages lists PPA to be removed: xorg-edgers ppa Warning: Could not find package list for PPA: xorg-edgers ppa -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/1024768 Title: [xorg-edgers] Missing icons in unity launcher and app switcher after update To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/1024768/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
