On Sat, March 23, 2013 6:42 am, Raphaël BOLLEN wrote:
> On 03/22/2013 11:51 PM, Jeremy Jongepier wrote:
>> I'm trying to run jackd from a script that is triggered by udev. But
>> when I try to do so jackd
>> complains:
>>
>> jackd 0.122.0
>> ...
>> JACK is running in realtime mode, but you are not allowed to use
>> realtime scheduling.
>> ...
>>
>
>
> Hi Jeremy,
>
> I've had the same error message and issue trying to start an application
> using jack form an init.d
> script at boot time. It seems that start-stop-daemon does not impose PAM
> ("Pluggable Authentication
> Module") limits to the process it starts. Maybe you are facing a similar
> issue with udev. My
> solution was to autologin the user and then start the application.
Which would not work here... but, maybe try changing
/etc/security/limits.d/audio.conf (or it's equiv) to be user specific
instead of group. Nope that whole file relies on PAM.
There is always the ugly way:
Have your udev module touch a file on plug in and rm it on unplug. Run a
user space loop that looks for that file and runs jack (if needed) and
connects whatever. File gone resets to look for file coming back.
--
Len Ovens
www.OvenWerks.net
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