Using the soon-to-be linux 5.4.0-rc1 (574cc4539762561d96b456dbc0544d8898bd4c6e)
with oibaf's ppa for DRI, I get the following messages in my kernel.log:

Sep 20 18:12:19 oipo-X570-AORUS-ELITE kernel: [23162.876229]
[drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring sdma1 timeout, signaled
seq=140067, emitted seq=140070
Sep 20 18:12:19 oipo-X570-AORUS-ELITE kernel: [23162.876310]
[drm:amdgpu_job_timedout [amdgpu]] *ERROR* Process information: process GPU
Process pid 16418 thread firefox:cs0 pid 16498
Sep 20 18:12:19 oipo-X570-AORUS-ELITE kernel: [23162.876312] [drm] GPU recovery
disabled.


Music stops playing, desktop becomes completely unresponsive except for mouse.
Mouse can be moved normally.

Hardware: Radeon RX 5700