I am just chiming in that I have a Dell Studio Slim 540s with the same issue. I have installed ALSA 1.0.18rc3 and have lockups when attempting to unmute the IEC958 device. I was able to successfully unmute the device in 1.0.17, however it had no audible effect.
-- Low volume, No sound: Intel HDA 82801J (ICH10) https://bugs.launchpad.net/bugs/271519 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
