Re: [LAU] 3.8 vs. 3.5 for realtime USB performance

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To: Linux Audio Users <linux-audio-user@...>
Date: Thursday, June 27, 2013 - 7:55 am

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On Tue, Jun 25, 2013 at 7:13 PM, Fernando Lopez-Lezcano <
nando@ccrma.stanford.edu> wrote:

> On 06/09/2013 07:16 AM, Len Ovens wrote:

The patch doesn't actually fix the problem on my system.. Staying on 3.5..

James

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On Tue, Jun 25, 2013 at 7:13 PM, Fernando Lopez-Lezcano &=
lt;nando@ccrm=
a.stanford.edu
> wrote:
On 06/09/2013 07:16 AM, Len Ovens wrote:

On Sat, June 8, 2013 12:49 pm, James Stone wrote:

I am struggling to get usable realtime performance<512 latency on my

Ubuntu Studio "low latency" kernels 3.8... The 3.5 kernel in cont=
rast
works

fine. I put a bugreport in with Ubuntu, but it seems like no-one else is

reporting the same problem. Makes me wonder if I am doing something
wrong. Is there anything additional I should be trying, or is this a
known problem

that is being worked on by the kernel devs?

It should not hurt to use the older kernel though, just run the 3.5.
Anyway, I have pointed out the patch to our kernel guy, so hopefully it
can appear in the 3.8 if you are running ubuntu 13.04. There should also
be a 3.9 or 3.10 pretty soon.

Hi Len,
Would you mind posting a url for the patch (or patches)? I'd like to in=
corporate them in the kernels I build...
Thanks,
-- FernandoThe patch doesn't actually fix the=
problem on my system.. Staying on 3.5..James

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Messages in current thread:
Re: [LAU] 3.8 vs. 3.5 for realtime USB performance, Fernando Lopez-Lezcano, (Tue Jun 25, 6:14 pm)
Re: [LAU] 3.8 vs. 3.5 for realtime USB performance, James Stone, (Thu Jun 27, 7:55 am)
Re: [LAU] 3.8 vs. 3.5 for realtime USB performance, James Stone, (Sun Jun 9, 5:44 pm)