[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

[Mysth-R]

Did you try the 2.6.22.10-1.rt9.1.fc8.ccrmart kernel ?
It works much better for me than the 2.6.23

2008/1/23, Florent Berthaut <hitmuri at no-log.org>:
>
>  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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*
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