I have been running into an issue over the past couple of months with Ardour and Ubuntu.
When using Ardour intensively in Ubuntu for a couple of hours (switching between songs, doing recordings and mixing, etc), Ubuntu slows down dramatically. By Ubuntu I assume the couple Unity/Compiz - Alt+Tab takes seconds to appear and react to commands, the Ubuntu Dash becomes horribly slow and the only thing I can do is reboot the machine. In the mean time, Ardour and other software are still running pretty much ok. Checking the processes, Compiz and X are the ones using the processor a lot.
This doesn't seem to happen with any other software but Ardour (I'm using Hydrogen or SuperCollider a lot), and I did a few tests with Gnome3, there it seems to be ok.
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.
Finally, if it is a bug, where should it be reported? Is this an Ardour bug as it seems only Ardour is making this problem happen, or is it an Ubuntu/Unity bug as it is the application actually slowing down?
Thanks in advance for the help!
Aurélien
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