Re: [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 a écrit :
> 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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>>
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Actually after a reboot and some more tweakings, things have been
running without a xrun for an hour now, even with periods/buffer=2.

So finally, i'll stay with planet ccrma ;)

Flo

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Received on Wed Jan 23 20:15:17 2008