It's unclear whether you need the snd-atiixp module or the snd-hda-intel module, because you haven't provided your "apport-collect -p alsa-base 414000" output on all the affected machines. We really need "lspci -nv" output to proceed.
** Summary changed: - Autodetect does not use the right sound module + Possible missing/contradicting PCI aliasing information in sound driver -- Possible missing/contradicting PCI aliasing information in sound driver https://bugs.launchpad.net/bugs/414000 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