Comment 68 for bug 88815

(In reply to comment #11)
> Luckily your debs installed without any dependency conflicts, and I can confirm
> that after restarting X the sluggishness is no longer present. Apparently this
> is an xcb issue after all.

Okay, reassigning to XCB for now get the attention of XCB savvy folks.

> Can you clarify what you mean by server restart experiments?

I mean the tests to determine whether restarting the server or client(s) makes the difference.

> Do you mean using x11perf, or checking the minimizing/maximizing animations?

The latter is fine, but you'll have to make sure to restart metacity after installing a different libx11-6.