DF-4576: amdgpu GEM_VA alloc_pts-before-validate page-table exhaustion
iterations=4 span=0x800000000000 (128.0 TiB) -> ~512 MiB of page tables held per failed ioctl

iter 0: cannot open any DRM node (No such file or directory)
  -> no AMD GPU on this machine; PoC needs real amdgpu hardware.
RUN_RC=2