[PlanetCCRMA] Jack Problems

[Michael H. Smith]

Fernando Pablo Lopez-Lezcano wrote:

>>I can't get jack to run.  I keep getting the following when I run 
>>jackstart -R -d alsa -d hw -r 44100:  jackd watchdog:  timeout  - 
>> killingjackd.  Any ideas?
>>    
>>
>
>No really, I have not seen this happen (actually I've seen a couple of
>watchdog timeouts but while using jack, not when starting it). 
>
>Things you could try:
>
>- check that there are no stray jack processes, for that do a:
>  ps axuw|grep jack
>  if jack is running you will see something like this:
>
>nando     1298  0.1  0.0  1764  468 pts/1    S    11:06   0:00 jackstart
>-R -d alsa -d hw
>nando     1300  1.9  7.0 36192 36176 pts/1   SL   11:06   0:00 jackstart
>-R -d alsa -d hw
>
>  the second number in each line is the process id, you can use that
>number to kill the process as in:
>
>  kill 1298 1300 
>
>- try to start it without using real time priority:
>  jackstart -d alsa -d hw -r 44100
>
>- try to start jack as root (I don't why it would make a difference)
>  su root (and enter the root password)
>  jackd -d alsa -d hw -r 44100
>
>- use the "-v" argument to see more of what is happening:
>  jackstart -v -R -d alsa -d hw -d 44100
>
>What soundcard are you using?
>-- Fernando
>
>
>
>  
>
Starting as root and without real time priority worked.  The soundcard 
is a Crystal 4235.  It appears that it's working fine now.  What effect 
will not having real time priority enabled have on other applications?

Mike Smith