> > Alsa-info patched kernel: http://www.alsa-project.org/db/?f=cd23a3f0bb72e38d73224620e3e8ab57a73aa441 > > Chmap results: > > Type = FIXED, Channels = 2 > FL FR > Type = FIXED, Channels = 4 > FL FR NA LFE > > When unplugging the subwoofer, then chmap gives this and stays like this. > > Cannot open PCM stream hw:1 for PLAYBACK > > [Pavucontrol] -> [Configuration] -> [Built-in Audio] gives > > Analog Stereo Duplex > Analog Stereo Output > Analog Surround 2.1 Output + Analog Stereo Input > Analog Surround 2.1 Output > Analog Surround 4.0 Output + Analog Stereo Input > Analog Surround 4.0 Output > Analog Stereo Input > Off Seem pulseaudio bug since your laptop does not have surround40 chmap It is not clear how pulseaudio's 21 channel-map match with alsa's 2.1 chmap http://cgit.freedesktop.org/pulseaudio/pulseaudio/tree/src/modules/alsa/mixer/profile-sets/default.conf [Mapping analog-surround-21] device-strings = surround21:%f channel-map = front-left,front-right,lfe paths-output = analog-output analog-output-lineout analog-output-speaker priority = 8 direction = output [Mapping analog-surround-40] device-strings = surround40:%f channel-map = front-left,front-right,rear-left,rear-right paths-output = analog-output analog-output-lineout analog-output-speaker priority = 7 direction = output > > Pulseaudio verbose log while plugging in the subwoofer: http://pastebin.com/Ya5u1qz6 https://bugs.freedesktop.org/enter_bug.cgi?product=PulseAudio -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.freedesktop.org/archives/pulseaudio-discuss/attachments/20150726/1372f2b8/attachment.html>
