Last time I tried GTX970 (not GTX970M) I hit bug 1575516. But you seem to have got further than that.
With other Nvidia chips I have encountered freezes like you describe. Although I don't think all our nouveau bugs are optimally triaged yet. One issue worth mentioning is nouveau multi-monitor support, which is presently broken due to bug 1553328. It's possible Unity8/Mir experiences instability for the same reason even with a single display. Are you able to find evidence of a crash or in your kernel log of what happened at the time of freezing? ** Changed in: unity8 (Ubuntu) Status: New => Incomplete ** Tags added: nouveau ** Also affects: mir Importance: Undecided Status: New ** Changed in: mir Status: New => Incomplete ** Also affects: mir (Ubuntu) Importance: Undecided Status: New ** Changed in: mir (Ubuntu) Status: New => Incomplete ** Tags added: unity8-desktop ** Also affects: canonical-devices-system-image Importance: Undecided Status: New ** Changed in: canonical-devices-system-image Status: New => Incomplete ** Changed in: canonical-devices-system-image Importance: Undecided => Critical ** Changed in: mir Importance: Undecided => Critical ** Changed in: mir (Ubuntu) Importance: Undecided => Critical ** Changed in: unity8 (Ubuntu) Importance: Undecided => Critical -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to unity8 in Ubuntu. https://bugs.launchpad.net/bugs/1631627 Title: Unity 8 freezes on Nouveau Status in Canonical System Image: Incomplete Status in Mir: Incomplete Status in mir package in Ubuntu: Incomplete Status in unity8 package in Ubuntu: Incomplete Bug description: I installed Ubuntu 16.10 yesterday and Unity 8 constantly freezes after I do some clicking around the desktop (using Browser, System Settings and the like), I am running it on Nouveau driver for GTX970M, I refrained from installing proprietary drivers to test Unity 8, but it is unusable and after it freezes I can only power off my laptop as nothing works. Is this a known issue? Also Unity 7 does not load at all, but I will post a separate bug for that. To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1631627/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp