[pulseaudio-discuss] [pulseaudio] alsa-util.c: Error opening PCM device hdmi

[Tanu Kaskinen]

On Fri, 2016-02-19 at 11:29 +0000, Samiran Sarkar wrote:
> Hi ,
> 
> Any one got any pointer to solve this kind Error,
> 
> Thanks
> Samiran
> 
> 
> root at baytrail32:/home/samiran# systemctl -l status pulseaudio
> ● pulseaudio.service - pulseaudio server
>    Loaded: loaded (/lib/systemd/system/pulseaudio.service; disabled)
>    Active: active (running) since Wed 2016-02-10 08:01:26 UTC; 3s ago
>   Process: 1520 ExecStartPre=/bin/chmod 0700 /run/user/root/pulse (code=exited, status=0/SUCCESS)
>   Process: 1517 ExecStartPre=/bin/mkdir -p /run/user/root/pulse (code=exited, status=0/SUCCESS)
> Main PID: 1523 (pulseaudio)
>    CGroup: /system.slice/pulseaudio.service
>            └─1523 /usr/bin/pulseaudio -vvv
> 
> Feb 10 08:01:27 baytrail32 pulseaudio[1523]: D: [pulseaudio] alsa-mixer.c: Looking at profile output:hdmi-surround-extra4
> Feb 10 08:01:27 baytrail32 pulseaudio[1523]: D: [pulseaudio] alsa-mixer.c: Checking for playback on Digital Surround 5.1 (HDMI 5) (hdmi-surround-extra4)
> Feb 10 08:01:27 baytrail32 pulseaudio[1523]: D: [pulseaudio] alsa-util.c: Trying hdmi:3,4 with SND_PCM_NO_AUTO_FORMAT ...
> Feb 10 08:01:27 baytrail32 pulseaudio[1523]: I: [pulseaudio] conf.c: Unknown parameters 3,4
> Feb 10 08:01:27 baytrail32 pulseaudio[1523]: I: [pulseaudio] pcm.c: Unknown PCM hdmi:3,4
> Feb 10 08:01:27 baytrail32 pulseaudio[1523]: I: [pulseaudio] alsa-util.c: Error opening PCM device hdmi:3,4: Invalid argument

The I: prefix in the log message means "info". It's not a fatal error,
or even a warning. Not all sound cards have device "hdmi:3,4", so if
you aren't particularly expecting the fifth HDMI device to exist,
there's nothing to worry about.

-- 
Tanu