Two days ago upgraded via command line my Ubuntu 20.04 to 21.10

It's an old 2015 laptop. First two restarts were fine. But now fails with message:

Failed to start Service for snap application thegloaming.alarumd. [ 44.155799] nouveau 0000:04:00.0: bus: MMIO read of 00000000 FAULT at 6013d4 [IENGINE ] [ TIME ] Timed out waiting for device

Or view

camera shot of error


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