IMPORTANT:
Don't skip any steps if attempting to recreate the problem for the first time. There are probably more steps than actually needed here, but it's been found that it's a semi-consistent way of reproducing it, at least on my machine

How to reproduce:
1. Clear Unity cache in ~/Library folder(Unity Editor related files and folders in Application Support, Caches, Saved Application State, Preferences, Unity folder in the Library itself)
2. Launch a new 3D template project in 2020.2.0b12. Dock the Game view to the right of the Scene view so that both views are visible at all times. Quit this project.
3. Launch a new HDRP template project in 2020.2.0b12, wait for it to load and bake/compile shaders(progress in the bottom right progress bar). Quit this project
4. Launch a new HDRP template project in 2020.2.0b13, wait for it to load and bake/compile shaders(progress in the bottom right progress bar). Quit this project
5. Open the project created in step 4. Close it once its fully loaded
6. Repeat step 5 until a kernel panic occurs(1-5 tries on my machine)

Reproducible with: 2020.2.0b13, 2021.1.0a7(HDRP 10.2.0)
Not reproducible with: 2018.4.29f1(HDRP 4.1.0-preview), 2019.4.15f1(HDRP 7.3.1), 2020.1.16f1(HDRP 8.2.0), 2020.2.0b12, 2021.1.0a1, 2021.1.0a6(HDRP 10.1.0)

Notes:
Relevant system information in the edit