https://bugs.freedesktop.org/show_bug.cgi?id=92301
--- Comment #6 from MC Return mc.return@gmx.net --- (In reply to Michel Dänzer from comment #5)
It sounds like you only built 64-bit binaries of Mesa yourself, so you're probably still using the 32-bit binaries from Ubuntu. What does
apt-cache policy libgl1-mesa-dri:i386
say?
libgl1-mesa-dri:i386: Installed: 11.1~git1509280730.e413d2~gd~v Candidate: 11.1~git1509280730.e413d2~gd~v Version table: *** 11.1~git1509280730.e413d2~gd~v 0 100 /var/lib/dpkg/status 11.0.1~git20150928+11.0.7f1a77ae-0ubuntu0ricotz~trusty 0 500 http://ppa.launchpad.net/xorg-edgers/ppa/ubuntu/ trusty/main i386 Packages 10.1.3-0ubuntu0.4 0 500 http://archive.ubuntu.com/ubuntu/ trusty-updates/main i386 Packages 10.1.0-4ubuntu5 0 500 http://archive.ubuntu.com/ubuntu/ trusty/main i386 Packages