On Wed, 2017-05-03 at 11:23 +0800, Hui Wang wrote: > Today I tested the latest master branch (already including your two > patches), seems it did not fix the problem. Below is my testing detail: > > Install ubuntu 16.04 on my laptop. > clone the latest pulseaudio source code, checkout master branch > build the source code: ./autogen.sh;make > kill the existing pulseaudio and run the latest pulseaudio: pulseaudio > --kill && ./src/pulseaudio -vvvnF ./src/default.pa -p $(pwd)/src > > On this machine, we have sound cards, sinks and ports like below: > > Card#0(HDA INTEL HDMI)-> Sink#0(hdmi-stereo)->hdmi-output(priority: 5900) > Card#1(HDA INTEL PCH)->Sink#1(analog-stereo)->headphones(priority: 9000) No speaker port at all on the PCH card? > with the new pulseaudio, I can only see one sink (analog-stereo) > through pactl list sinks at the beginning. > > After I plug the HDMI cable (headphone is not plugged), I can see two > sinks via pactl list sinks, but the default sink is still the analog- > stereo, here I expect the default sink is hdmi-stereo since the > headphone is not plugged yet. That's what I'd expect too. Is the headphone port marked as unavailable as it should? > Then I plug the headphone, and I select the hdmi (hdmi is also > plugged in) as the default sink, after a while I unplug the hdmi > cable, here I expect the default sink is back to analog-stereo since > headphone is still plugged, but the default sink did not switch to > analog-stereo. BTW after I unplug the hdmi cable, I can still see two > sinks. The default sink is set in pa_core_update_default_sink() in src/pulsecore/core.c. That function uses the compare_sinks() function, and the first thing compare_sinks() does is to check if one of the compared sinks has an unavailable port active. Can you figure out what goes wrong? Is pa_core_update_default_sink() not called when you plug in or unplug things, or does pa_core_update_default_sink() really choose a sink whose active port is unavailable? -- Tanu https://www.patreon.com/tanuk