you need to file upstream bug report if 32bit work but 64 bit does not work
https://bugzilla.kernel.org/enter_bug.cgi?product=Drivers your system log seem not contain any message about the firmware loading -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1309873 Title: [HDA-Intel - HDA Creative, playback] No sound at all - Sound Blaster Recon3D not work (on ubuntu 14.04 32bit working) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1309873/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
