Even easier workaround for Mir/USC: Just default to clone mode instead
of side-by-side, which is the problem in today's duplicate bug 1672793.
Mir's legacy clone mode will at least ensure there is only one
compositor thread, so nouveau should be stable then.
** Also affects: unity-system-compositor
Importance: Undecided
Status: New
** Changed in: unity-system-compositor
Importance: Undecided => Medium
** Changed in: unity-system-compositor
Status: New => Confirmed
--
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which is subscribed to mesa in Ubuntu.
https://bugs.launchpad.net/bugs/1553328
Title:
Mir/Unity8/USC crashes/freezes on nouveau (nv50) in pushbuf_kref()
especially with multiple monitors, webbrowser-app or system settings
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https://bugs.launchpad.net/canonical-devices-system-image/+bug/1553328/+subscriptions
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