GUI Freeze with 435.21-0ubuntu0.18.04.2

Random crash after waking from suspend on Ubuntu 18.04 / Mint 19.3.

syslog:

Jan 30 09:24:05 zen kernel: [  666.811397] NVRM: GPU at PCI:0000:01:00: GPU-bf542176-e125-ebea-0f79-57c0f239dcc3
Jan 30 09:24:05 zen kernel: [  666.811402] NVRM: Xid (PCI:0000:01:00): 79, pid=697, GPU has fallen off the bus.
Jan 30 09:24:05 zen kernel: [  666.811403] NVRM: GPU 0000:01:00.0: GPU has fallen off the bus.
Jan 30 09:24:05 zen kernel: [  666.811410] NVRM: A GPU crash dump has been created. If possible, please run
Jan 30 09:24:05 zen kernel: [  666.811410] NVRM: nvidia-bug-report.sh as root to collect this data before
Jan 30 09:24:05 zen kernel: [  666.811410] NVRM: the NVIDIA kernel module is unloaded.

Any thoughts?