https://bugs.freedesktop.org/show_bug.cgi?id=101946
--- Comment #19 from Robin beanow@oscp.info --- I've found that my test cases only trigger the PCI drivers' amdgpu_pci_remove and amdgpu_pci_probe functions.
Adding the new shutdown function call amdgpu_device_shutdown(adev); to the amdgpu_pci_remove function does not resolve the issue.