[LAU] xruns with m-audio fast track pro on fedora 8 ccrma -> kernel 2.6.22 , periods/buffer = 3 , disable system bips and esd, and proper rtirq setup

[Florent Berthaut]

Florent Berthaut a écrit :
> Hartmut Noack a écrit :
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>> Florent Berthaut schrieb:
>>   
>>> Fernando Lopez-Lezcano a écrit :
>>>     
>>>> A more basic question... what parameters are you using when you start
>>>> jackd?
>>>>
>>>> -- Fernando
>>>>   
>>>>       
>>> .jackdrc:
>>>
>>> /usr/bin/jackd -R -P70 -t1000 -u -dalsa -r44100 -p64 -n2 -D -Chw:0,1 
>>> -Phw:0,0 -S -i2 -o2
>>>
>>>     
>>
>> USB-Devices often perform much better with -n3. Furthermore I would try
>> to eliminate any flag, that is not absolutely needed such as:
>>
>> /usr/bin/jackd -R -dhw:1 -dalsa -r44100 -p64 -n3
>>
>> BTW: this would compute to around 4 ms latency - is that good enough for
>> you?
>>
>>   
>
> Okay, i had forgot to turn off the system "bips" and esd (it reduced 
> the number of xruns)
> And yep with -n3 i 've got even less xruns and it seems they're not 
> audible.
> I don't know if the latency is low enough though, i'll test this 
> evening with my drum pads.
>
> Thanks everyone , it's really great to get so much help so quickly.
>
> Flo
>
>

Argh, actually i still have audible xruns. And i don't think i'd be able 
to play correctly with a higher latency anyway...
Think i'll have to get back to ubuntu studio ... :(

Flo


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