On 03/24/2010 07:32 AM, Kaushal Shriyan wrote: > Hi, > > Headphones doesnot mute speakers on jaunty. (9.04) > 00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio > Controller (rev 03) > Laptop Model : Dell Inc. Vostro 1520 https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/477154 might be of interest.