565 Crashing in games - NVidia screens stop but intel screens keep working

NV Bug log attached.
nvidia-bug-report.log.gz (1.9 MB)

3080 ti, alongside onboard intel IGP on a 12700. Screens attached to the NV card freeze, but screens attached to Intel keep working.

Doesn’t seem to matter if it’s Vulkan or OGL. Issue occurs within a few seconds or sometimes minutes of a game launch.

GLGears, however, works fine for hours.

Happens regardless of Disto. I’ve tried with OpenSUSE, POP! OS, Ubuntu, Manjaro, and Arch. All exhibit the same issue.

Same issue also happens regardless of which driver is in use. I’ve gone back as far as 535 and get the same problem.

Booting with the Intel monitors unplugged and the intel card disabled makes the issue go away - i.e. the issue only occurs when both Intel and NVidia cards are in use at the same time.

Also doesn’t seem to matter if Prime is used or not.

Replication should be straightforward - just run a desktop with a IGP + NV GPU, have monitors plugged in to both, and play a game. I don’t think it’s specific to my rig, as everything works perfectly in Windows.

My (probably incorrect) instinct has me thinking it’s something related to machines using both IGP + GPU usually being laptops that only want to use one at a time via Prime, but I’m using both at the same time with each card driving different monitors of the same desktop.