Black screen. SSH in, look at dmesg, find this:
[113524.995794] NVRM: Xid (PCI:0000:07:00): 79, pid='', name=, GPU has fallen off the bus.
[113524.995798] NVRM: GPU 0000:07:00.0: GPU has fallen off the bus.
Black screen. SSH in, look at dmesg, find this:
[113524.995794] NVRM: Xid (PCI:0000:07:00): 79, pid='', name=, GPU has fallen off the bus.
[113524.995798] NVRM: GPU 0000:07:00.0: GPU has fallen off the bus.
Could it be a power issue too?
Yes, you are right that is a possibility.
I remember that actually I encountered it once with a power supply problem, but it appeared along with other random issues, like restarts, application crashes, and nvidia-smi not responding.