Gesendet: Donnerstag, 30. Juli 2015 um 23:27 Uhr
Von: "Alexandre Ratchov" <a...@caoua.org>
An: "Alexander Shendi" <alexander.she...@web.de>
Cc: misc@openbsd.org
Betreff: Re: Audio problems with OpenBSD-current/amd64 on Acer C720p Chromebook
[snip]

> could you do the following: build & install a new kernel with these
> options defined.
> 
> option AUDIO_DEBUG
> option AZALIA_DEBUG
> 
> Then, boot it, kill sndiod, and start it in a terminal with:
> 
> sndiod -dd
> 
> and in another terminal, play a .mp3 with mpg123 (or whatever you
> use) and see what errors sndiod displays and what dmesg says. Let
> me know if you have questions and/or you need help for the setup.
> 
> thanks

I did as you requested. Namely:

* Got the OpenBSD-current sources via AnonCVS.
* Built a custom kernel with the options above 
* Removed the "-f /dev/audio1" flags from /etc/rc.conf.local
* Booted the new, custom kernel
* Killed sndiod via "pkill sndiod"
* Restarted it in a terminal as requested above
* Played an MP3-file in VLC (no sound output observed) for a 
  few seconds.

Please find the combined terminal output and the new dmesg at:

http://www.alexshendi.org/tmp/dmesg-acer-c720p-20150731.txt

However I can't make much sense of the output as I don't
know enough about the audio subsystem. Could you please 
have a look? Please let me know if I can run further test,
or if you need further info.

Many thanks for your help.

Best Regards,

Alexander

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