Hardy or Jaunty

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Hardy or Jaunty

by teza :: Rate this Message:

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Hi everybody it is worth to update to ubuntustudio to Jaunty?
All your feedback are welcome.
Thanks for your help.
Regards From Paris
Teza



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Re: Hardy or Jaunty

by Mark Greenwood-2 :: Rate this Message:

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On Monday 12 Oct 2009 15:28:12 teza wrote:
> Hi everybody it is worth to update to ubuntustudio to Jaunty?
> All your feedback are welcome.
> Thanks for your help.
> Regards From Paris
> Teza
>

Depends. If you're using a realtime kernel then no, definitely not. The rt kernels in Jaunty are seriously broken (or they were when I tried them anyway) and do not work at all on mutliprocessor machines. It's not an Ubunutu-specific problem, there were simply serious issues with the rt-kernel patch at that time.

On the plus side, the very latest 2.6.31 kernel has almost realtime performance as stock, and enabling preempt on it gives better performance than any previous realtime kernel - at least in my experience. My advice is, if you want to upgrade, wait for Karmic.

Mark

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Re: Hardy or Jaunty

by kees2 :: Rate this Message:

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I can confirm this, had serious trouble with high cpu loads (and xruns)
with the rt kernel that Jaunty ships with, while with Hardy I didn't
have these problems. I upgraded because of jackd which is vs. 116 in
Jaunty, Hardy has 109.

I 'solved' it by installing 2.6.29.1-rt8-custom as mentioned in
https://bugs.launchpad.net/ubuntu/+source/linux-rt/+bug/366352 
(downloaded the one from Travis Carter). Running fine with that kernel now.

Regards,
Kees

-------- Original Message --------
Subject: Re: [Ardour-Users] Hardy or Jaunty
From: Mark Greenwood <fatgerman@...>
To: ardour-users@...
Date: Mon Oct 12 2009 20:18:24 GMT+0200 (CEST)

> On Monday 12 Oct 2009 15:28:12 teza wrote:
>  
>> Hi everybody it is worth to update to ubuntustudio to Jaunty?
>> All your feedback are welcome.
>> Thanks for your help.
>> Regards From Paris
>> Teza
>>
>>    
>
> Depends. If you're using a realtime kernel then no, definitely not. The rt kernels in Jaunty are seriously broken (or they were when I tried them anyway) and do not work at all on mutliprocessor machines. It's not an Ubunutu-specific problem, there were simply serious issues with the rt-kernel patch at that time.
>
> On the plus side, the very latest 2.6.31 kernel has almost realtime performance as stock, and enabling preempt on it gives better performance than any previous realtime kernel - at least in my experience. My advice is, if you want to upgrade, wait for Karmic.
>
> Mark
>
>  
>> _______________________________________________
>> Ardour-Users mailing list
>> ardour-users@...
>> http://lists.ardour.org/listinfo.cgi/ardour-users-ardour.org
>>
>>    
> _______________________________________________
> Ardour-Users mailing list
> ardour-users@...
> http://lists.ardour.org/listinfo.cgi/ardour-users-ardour.org
>  


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