Might it be the AMD64 pulseaudio builds? This has been a problem in the past: http://ubuntuforums.org/showthread.php?t=1317918 -- Dell T7500 Hangs/Freezes Repeatedly https://bugs.launchpad.net/bugs/568549 You received this bug notification because you are a member of Kernel Bugs, which is subscribed to linux in ubuntu.