[LAU] Ubuntu slowing down when using Ardour

[david]

On 11/18/2012 02:44 AM, Aurélien Leblond wrote:
>>>/  > My setup is as follows:
> />>/
> />>/      > - Ardour3 Beta5
> />>/      > - Ubuntu 12.10 64bit
> />>/      > - Using the Radeon open driver (FGLRX creates a lot of xruns)
> />>/      >
> />>/      > Now, I am not trying to start a conversation "Should I use
> />>/      Compiz when
> />>/      > playing music" or "Ubuntu is crap, what else should I use?" :)
> />>/      > I like Ubuntu, I like Unity and I like Ardour3!
> />>/      >
> />>/      > I am just checking if other people are experiencing the same
> />>/      issue, if there
> />>/      > is a solution to this problem, what additional testing I should
> />>/      do or  what
> />>/      > additional information I should provide.
> />>/
> />>/
> />>/      Wonder if the CPU frequency scaling is causing this issue. I had an
> />>/      issue on a Dell machine at work where the box would run really slowly
> />>/      if it got the slightest bit hot from being pushed too hard (usually
> />>/      doing big Subversion commits or running sipp against a remote server).
> />>/      The governor would take it down to the lowest frequency level to help
> />>/      the machine cool down. This would even happen if I turned on the
> />>/      performance governor. It wasn't a Linux issue at all, because people
> />>/      who had the same hardware had the same problem on Windows.
> />>/
> />>/
> />>/  The thing is, the CPU never really goes over 40% usage, the rest of
> />>/  the machine is still working ok, only Unity/Compix are getting much
> />>/  slower.
> />>/
> />>/  After much testing, it seems to be only the Ubuntu Unity Dash getting
> />>/  slower, and only after a crash of Ardour3...
> />>
>
>>Using Unity 2D or 3D? 2D is supposed to use less.
>
>>My suggestion: drop Unity, use XFCE instead.
>
>> Maybe it helps when you clean up the cache after Ardour crashes?
>
>>
>
>> sudo sync; echo 3 | sudo tee /proc/sys/vm/drop_caches
>
> Thanks for the suggestions, I'll try that out next time.
>
> @David: In Ubuntu 12.10, Unity 2D doesn't exist anymore. And thanks for
> the suggestion, but I actually doesn't want to drop Unity for XFCE - I
> really like the look and feel of Unity... But that's a discussion for
> another time :)

Very true. My wife and I both hate the Unity UI with a passion.

-- 
David
gnome at hawaii.rr.com
authenticity, honesty, community
http://clanjones.org/david/
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