"hidden" windows in unity: high load for compiz?

[Colin Law]

On 22 January 2013 14:05, Peter Teuben <teuben at astro.umd.edu> wrote:
>
> Today I had two instances of tasks that did not show up in Unity's task
> bar on the left.
> This apparently causes a constant high load (~50%) for compiz:
>
> 1) Picasa3.exe was running, but the icon had disappeared, and it was
> also not visible
>      in Super+W or Super+S.  I've seen this before with emacs, and my
> solution was
>     to start another one, which then suddenly made both visible.....
> but not this time.
>     I killed Picasa manually from the task list. This in itself didn't
> clarify to me what was
>     going on, but the next item was!
>
> 2) pidgin only showed a chat window, not the original parent window with
> my contacts.
>     This despite the fact
>     that the icon in Unity showed 2 little horizontal stripes on the
> left side of the icon,
>     indicating there were two windows.  I could not get this parent
> window to shop up.
>     As soon as I manually killed pidgin, the compiz load went from 50%
> to 5%. Clearly
>     something is buggy here.
>
> A load like this already makes a fast i7 based laptop feel like an old
> laptop with not enough
> memory.
>
> I should perhaps also mention that I install a revamped unity, with the
> Dogded Windows bahavior, as described in this link:
>
> http://www.ubuntugeek.com/howto-unity-with-dodge-windows-and-minimizeunminimize-behavior-in-ubuntu-12-04-precise.html

I suggest searching launchpad to see if you can find a reported bug.
If not then the next thing, I suggest, is to revert to the standard
Unity and see if you can replicate the problem.  If you can then
report a bug on launchpad.

Colin

>
> peter
>
>
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