I also have the same problem, when Flash in Firefox is playing audio, neither VLC nor mplayer can play audio until I stop Firefox and restart the video player.
I have integrated audio in a Dell Vostro 1400 laptop with the Mobile PM965/GM965/GL960 chipset : 82801H (ICH8 Family) HD Audio Controller -- Problem in sharing sound between firefox-flash and exaile,audacious,audacity https://bugs.launchpad.net/bugs/241449 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