[linux-audio-user] Which kernel for low latency and kernel 2.6.1-mm# problems

Glenn McCord clari_player at paradise.net.nz
Tue Jan 20 21:38:04 EST 2004


James Stone wrote:

>>I run jack with:
>>jackstart -R -v -d alsa -d hw:0
>>
>>...and I get xruns whenever I open a program, move windows around. Hell 
>>sometimes it does it when I'm just looking at it. More specifically, if 
>>I want to record in ardour, jack chokes up an xrun after about 2 seconds.
>>
>>Now, if I whip up my 2.4.2 with Andrew Morton's Low latency patch, 
>>install alsa-lib, alsa-driver and alsa-utils version 1.0.1with the 
>>gentoo ebuilds, then compile jack like above... presto, no problems.
>>So I'm thinking somethings missing in the kernel somewhere. Or perhaps 
>>the system settings are disagreeing with the way the kernel is setup.
>>
>>    
>>
>Ah.. I have just tried 2.4.23 with the low latency patch again.. and I
>agree.. Jack is much more stable. I am not sure I was getting as many
>xruns as you, but in 2.4.23 I am getting absolutely none, even being
>quite rough with opening and closing things.. Even running kernel
>compile in the background!
>  
>
phew, it's good to see I'm not the only one.

>
>This paired with the kernel panics I was getting on shutdown makes me
>think that 2.6.x is not quite ready for audio yet.
>
>James
>
>  
>




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