I have the same problem I have a motherboard MS-7253 and the solution given up work for me. As well i follow this bug reports:
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=5533 https://bugzilla.kernel.org/show_bug.cgi?id=42567 https://bugzilla.kernel.org/show_bug.cgi?id=42619 ** Bug watch added: ALSA Bug Tracker #5533 https://bugtrack.alsa-project.org/alsa-bug/view.php?id=5533 ** Bug watch added: Linux Kernel Bug Tracker #42567 http://bugzilla.kernel.org/show_bug.cgi?id=42567 ** Bug watch added: Linux Kernel Bug Tracker #42619 http://bugzilla.kernel.org/show_bug.cgi?id=42619 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/662299 Title: Soundcard not detected (workaround: add "pci=use_crs" to GRUB) To manage notifications about this bug go to: https://bugs.launchpad.net/alsa-driver/+bug/662299/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs