[pulseaudio-tickets] [Bug 80710] Pulseaudio 5.0 uses 100% CPU time after system resumes from hibernation.

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Jun 30 10:40:12 PDT 2014


https://bugs.freedesktop.org/show_bug.cgi?id=80710

--- Comment #5 from Dimitrios Semitsoglou-Tsiapos <kmhzsem at gmx.com> ---
(In reply to comment #4)

As the configuration is now, and while pulseaudio is running `aplay -v -D
plug:dmix Foo.wav` plays.
> as you are customize pulseaudio to use dmix as default sink

I added the following block and changed device="default" to device="dmixer",
pcm.dmixer {
    type dmix
        ipc_key 1024
        ipc_key_add_uid false
        ipc_perm 0660
        slave {
            pcm "hw:0,0"
            period_time 0
                period_size 1024
                buffer_size 8192
                rate 44100
                channels 2
        }
}

Now I get:
ALSA lib
/var/tmp/portage/media-libs/alsa-lib-1.0.27.2/work/alsa-lib-1.0.27.2/src/pcm/pcm_dmix.c:1022:(snd_pcm_dmix_open)
unable to open slave
aplay: main:722: audio open error: Device or resource busy

> http://mailman.alsa-project.org/pipermail/alsa-devel/2014-May/076475.html
> 
> you may need to use Alexander 's program whether dmix plugin should return
> zero for snd_pcm_rewindable and should alsa lib should return error when
> disable period wake-up when using dmix

I am not sure how to obtain Alexander's program or how to check for these
values.

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