Well, yes. The problem description before that covers the fact that
Mir's multi-threaded compositor manifests the problem (assuming you have
multiple monitors). And comment #20 states that avoiding multiple
threads (a single headed or cloned config) avoids the instability.
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Mir/Unity8/USC crashes/freezes on nouveau (nv50) in pushbuf_kref()
especially with multiple monitors, webbrowser-app or system settings
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