Per comment #17 it might actually be easiest to build a workaround in
Mir for now... Either disable secondary compositor threads, or build a
SingleThreadedCompositor to replace MultiThreadedCompositor.
In my spare time I'm working on an idea where post() could be made non-
blocking. So that would eliminate the need for Mir's compositor to be
threaded, and nouveau should then work (as well as it ever did for X).
** Changed in: mir
Status: Invalid => Confirmed
** Changed in: mir
Importance: Undecided => Medium
** Tags added: multimonitor
** Changed in: qtmir (Ubuntu)
Importance: Critical => Medium
** Changed in: qtmir (Ubuntu)
Status: Incomplete => Confirmed
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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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