[PlanetCCRMA] Jack Problems
Michael H. Smith
mhslaw@bellsouth.net
Sat Nov 16 19:46:00 2002
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