[LAU] jackd in RT mode at boot

James Morris james at jwm-art.net
Tue Jun 29 16:32:52 UTC 2010


On 29 June 2010 17:04, Lists Parisson <lists at parisson.com> wrote:
> Le 29/06/2010 17:27, Gabriel M. Beddingfield a écrit :
>>
>>
>> On Tue, 29 Jun 2010, Lists Parisson wrote:
>>
>>> I need to start jackd server in realtime mode on boot for an audio
>>> embedded
>>> Linux based project. However it seems that for OS using PAM like
>>> Debian, it's
>>> impossible to get RT priorities for the predefined jackd user during
>>> the boot.
>>
>> Have you tried starting it in an RC-script that's run at runlevel 2 or
>> higher?  (Runlevel 2 is the first multi-user runlevel.)
>>
>> Also, seems like you would want it near the end... like S99myinitscript
>> or something.
>>
>> This way, it's more likely that PAM is up and running.
>
> Yes I use a RC-script in /etc/init.d/ (in Debian) and a sym link to
> /etc/rc2.d/S97jackd.
>
> But this didn't work without the PAM module rule modification and the use of "su
> -c login" proposed by Stephano in this thread.
>
> Now it works very good :)
>
> Thanks a lot to all of you !
> As usual, great support on LAU/LAD

Related, slightly OT, but maybe of interest:

http://www.enricozini.org/sw/nodm/

"is an automatic display manager which automatically starts an X
session at system boot. It is meant for devices like smartphones, but
can be used on a regular computer as well, if the security
implications are acceptable."

James.


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