No sound on Macmini with FreeBSD 10

James Griffin jmzgriffin at
Tue Jan 28 14:03:38 UTC 2014

On 2014-01-27, Ajtim <lumiwa at> wrote:
> On Monday 27 January 2014 21:56:34 Volker Nebel wrote:
>> Good morning!
>> Since a few days my Macmini 6.1 is running on FreeBSD 10.0 (yeah, and 
>> FreeBSD alone)! Unfortunately, it does not (yet) produce any sound, and I 
>> really need help on this. I followed the handbook and it looks like, 
>> driver snd_hda is used. [CMD=" "]dmesg | grep hda[/CMD] gives the output 
>> shown below. Soundcard seems to be Cirrus Logic CS4206.
>>     I tried the following steps:
>> - Find a specific driver for this sound card: Nothing.
>> - Turn volume up with [CMD=" "]mixer pcm 100 vol 100[/CMD]. Still nothing 
>> to hear.
>> - Change the value of hw.snd.default_unit to 0,1,2. No effect.
>>     Has anybody a good idea how to proceed?
>>     Don't know, whether the following is relevant: [CMD=" "]kldload 
>> snd_driver[/CMD] gives 6 times "ppc0: cannot reserve I/O port range". When 
>> booting, I get this message once.
>> Best regards,
>> Volker

Did you try using the default sound driver first? I use speakers plugged
into the headphones port on my macmini as the default speaker is really
quiet. Have you tried speakers and/or headphones?

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