GPU has fallen off the bus - Ubuntu 20.04.3 LTS

Hi,

When starting the system, without even logging in, after a few minutes.
dmesg
[10801.104969] NVRM: GPU at PCI:0000:06:00: GPU-e83a0c13-0d5f-3db6-78f2-28fbcd2981fa
[10801.104978] NVRM: Xid (PCI:0000:06:00): 79, pid=0, GPU has fallen off the bus.
[10801.104985] NVRM: GPU 0000:06:00.0: GPU has fallen off the bus.
[10801.105048] NVRM: GPU 0000:06:00.0: GPU serial number is \xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff.
[10801.105070] NVRM: A GPU crash dump has been created. If possible, please run
NVRM: nvidia-bug-report.sh as root to collect this data before
NVRM: the NVIDIA kernel module is unloaded.
nvidia-bug-report.log.gz (171.0 KB)

For information, I don’t encounter the problem when I boot into Windows 10 to play with this computer.

The graphics card installed is a ZOTAC GAMING GeForce RTX 3080 AMP HOLOBLACK

Thanks for your help.

Please check for a bios upgrade first. If that doesn’t help, check if setting kernel parameter
processor.max_cstate=1
works around the issue.