OK, here we are with your current snapshots and 2.6.32-999: Headphone-only sound as before with model=hp, this time also with no model= argument. No speaker sound either way.
** Attachment added: "alsa-info.txt.iUNNO84QCw" http://launchpadlibrarian.net/36449874/alsa-info.txt.iUNNO84QCw -- HP550: No sound from laptop speakers, only from headphone in karmic https://bugs.launchpad.net/bugs/492303 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