5.4.x: amdgpu 0000:0a:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0002 address=0x80000a600 flags=0x0000] and MUCH MORE
I was away from keyboard when it happened. I managed to capture this dmesg. It shows various things not actually working as intended. I had a firefox browser open as wella s a citrix client.