This is also occurring on my system and only started occurring after the last couple Adrenaline 19 version.
A few Adrenaline versions ago I started getting blue screens upon start or shortly after start up. "THREAD_STUCK_IN_DEVICE_DRIVER".
It was intermittent and took sometime to figure out that it was the graphics driver. Remove of the graphics driver using AMD cleanup utility yielded a stable system. Installing 17.7 drivers is stable at the moment.
Here's my specs:
Vega 64 Driver v19.2.2, Threadripper 1950x, Windows 10 1809, 4 monitors, 2 x 4k and 2 x 1080p all @60hz, ASUS Zenith Extreme bios 1601, 64GB RAM, HX1000 PSU.
This is mostly a workstation but I also use it for gaming. I just tried installing 19.2.2 but was unable to startup so I uninstalled the drivers using AMD cleanup Util and windows 1809 automatically fell back to 17.7 (I didn't have to install).... odd.