[LAU] Problems with EQ10Q in Ardour

[Jörn Nettingsmeier]

On 06/26/2011 05:06 PM, Nicola wrote:
> Hi,
> I use Ubuntu-studio 10.04 with Ardour 2.8.11 on my PackardBell mh36
> laptop (intel 2core t4200, 3 gb ram).
> When i stop playback ,during my mixing session, dsp increases to 100 %.

sounds like a denormal problem when a reverb tail becomes very soft. 
make sure you are using denormal protection in ardour:
under options/performance, select "Denormals are zero" and "Flush to Zero".

see if the problem goes away.