diff --git a/tinygrad/runtime/ops_amd.py b/tinygrad/runtime/ops_amd.py
index b22f07ba87..65e0c044a1 100644
--- a/tinygrad/runtime/ops_amd.py
+++ b/tinygrad/runtime/ops_amd.py
@@ -453,7 +453,8 @@ class PCIIface:
       HWInterface(f"/sys/bus/pci/devices/{self.pcibus}/driver/unbind", os.O_WRONLY).write(self.pcibus)
 
     supported_sizes = int(HWInterface(f"/sys/bus/pci/devices/{self.pcibus}/resource0_resize", os.O_RDONLY).read(), 16)
-    HWInterface(f"/sys/bus/pci/devices/{self.pcibus}/resource0_resize", os.O_RDWR).write(str(supported_sizes.bit_length() - 1))
+    try: HWInterface(f"/sys/bus/pci/devices/{self.pcibus}/resource0_resize", os.O_RDWR).write(str(supported_sizes.bit_length() - 1))
+    except OSError as e: raise RuntimeError(f"Cannot resize BAR: {e}. Ensure the resizable BAR option is enabled on your system.") from e
 
     # Try to init vfio. Use it if success.
     if PCIIface.vfio: