On Tue, 2021-03-09 at 19:48 -0700, Jens Axboe wrote: > On 3/9/21 6:55 PM, Kevin Locke wrote: >> With kernel 5.12-rc2 (and torvalds/master 144c79ef3353), if mpd is >> playing or paused when my system is suspended-to-ram, when the system is >> resumed mpd will consume ~200% CPU until killed. It continues to >> produce audio and respond to pause/play commands, which do not affect >> CPU usage. This occurs with either pulse (to PulseAudio or >> PipeWire-as-PulseAudio) or alsa audio_output. > > The below makes it work as expected for me - but I don't quite > understand why we're continually running after the freeze. Adding Rafael > to help understand this. I can confirm that your patch resolves the high CPU usage after suspend on my system as well. Many thanks! Tested-by: Kevin Locke <kevin@xxxxxxxxxxxxxxx> Happy to test any future revisions as well. Thanks again, Kevin
