I'm getting this too with similar Intel hardware. Was fine on Jaunty, now pops on Karmic beta. The pop can be heard only on certain sounds/apps (Workrave pops a lot, Banshee doesn't) and even when muted.
Seems to be a duplicate of bug 442718 and bug 442463? -- poping sound when HDA audio device goes into/from power saving mode https://bugs.launchpad.net/bugs/447709 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
