I don't think it is related to BIOS. I've tried the -rt kernel and sound is back.
the problem seems linked to missing kernel modules compilation options, I have the same dmesg output as Kasimir with a full list of "Unknown symbol" when using the generic kernel. -- [hardy] Sound card hda Intel doesn't work with kernel 2.6.24 series https://bugs.launchpad.net/bugs/211644 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs