Re: [LAD] Ubuntu Studio 8.10, -rt and 2.6.27

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Tim Blechmann wrote:
>>> while sharing this experience, i am curious, whether there are any
>>> insights, why this is the case?
>>> did anyone come up with an analysis of the problem source? maybe
>>> bisecting the kernel source?
>> I haven't been following the RT list that closely over the last couple
>> of weeks, but I think you'll find that version is WAY ahead of the
>> stable RT patches.
>>
>> I got my RT working about 4 weeks ago and was advised by the RT
>> developers to go for the latest stable - 2.6.24.7-rt17
> 
> i am lurking on the linux-rt-users list for a while and i haven't read 
> any references, why 2.6.26 (patched or unpatched) is not suitable for low-
> latency audio ...
> 
> still 2.6.26-rt3 is unusable for me and, as paul mentioned, also for 
> others ... i'd be curious about the reasons, though ... 
> 

is not that .26 is that bad for audio, but *it is* seriously broken for 
midi. afaict that relates to the -rt only. vanilla might be ok.

it has been suggested that the preemptive-BKL changes made after .26-rc2 
are the suspect subject. good news are that .27 will have this fixed or 
at least goes a few steps into an acceptable solution regarding -rt

byee
-- 
rncbc aka Rui Nuno Capela
rncbc@xxxxxxxxx

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