[Jack-Devel] Usage feasibility Q

[Christian Affolter]

On 30.01.2018 18:45, Robert Bielik wrote:
>> What error message do you get without sudo? Maybe your user has to be in
>> the "audio" group (or similar).
> 
> The error is:
> Cannot connect to server socket err = No such file or directory
> Cannot connect to server request channel
> jack server is not running or cannot be started
> JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock
> JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock
> aplay: main:788: audio open error: No such file or directory
> 
> And the "pi" user seems to be in audio group:
>> groups
> pi adm dialout cdrom sudo audio video plugdev games users input netdev gpio i2c spi
> 
> Running with sudo plays audio just fine.

Just run aplay under the same user which already owns the jackd process.
I'm unaware about the current situation in regard of multi-user
connection support for jackd.

Best,
Chris