Unity 8 freezes on Nouveau
Bug #1631627 reported by
SB
This bug report is a duplicate of:
Bug #1497593: [nouveau] Programs crash with SIGABRT in nouveau_pushbuf_data: Assertion `kref' failed..
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This bug affects 5 people
Affects | Status | Importance | Assigned to | Milestone | |
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Canonical System Image |
Incomplete
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Critical
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Unassigned | ||
Mir |
Incomplete
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Critical
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Unassigned | ||
mir (Ubuntu) |
Incomplete
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Critical
|
Unassigned | ||
unity8 (Ubuntu) |
Incomplete
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Critical
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Unassigned |
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.
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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?