fix: unexpect error report in amd

Signed-off-by: thxCode <[email protected]>

Author: thxCode

gpustack_runtime/detector/amd.py

@@ -104,9 +104,6 @@ def detect(self) -> Devices | None:
                 dev_card_id = None
                 if dev_hsa_agent:
                     dev_card_id = dev_hsa_agent.driver_node_id
-                elif hasattr(pyamdsmi, "amdsmi_get_gpu_kfd_info"):
-                    dev_kfd_info = pyamdsmi.amdsmi_get_gpu_kfd_info(dev)
-                    dev_card_id = dev_kfd_info.get("node_id")
                 else:
                     with contextlib.suppress(pyrocmsmi.ROCMSMIError):
                         pyrocmsmi.rsmi_init()

gpustack_runtime/detector/pyamdgpu/__init__.py

@@ -33,6 +33,7 @@
 
 ## Error Codes ##
 AMDGPU_SUCCESS = 0
+AMDGPU_ERROR_CARD_NOTFOUND = -99996
 AMDGPU_ERROR_UNINITIALIZED = -99997
 AMDGPU_ERROR_FUNCTION_NOT_FOUND = -99998
 AMDGPU_ERROR_LIBRARY_NOT_FOUND = -99999
@@ -44,6 +45,7 @@
 
 class AMDGPUError(Exception):
     _extend_errcode_to_string: ClassVar[dict[int, str]] = {
+        AMDGPU_ERROR_CARD_NOTFOUND: "Card Not Found",
         AMDGPU_ERROR_UNINITIALIZED: "Library Not Initialized",
         AMDGPU_ERROR_FUNCTION_NOT_FOUND: "Function Not Found",
         AMDGPU_ERROR_LIBRARY_NOT_FOUND: "Library Not Found",
@@ -240,7 +242,11 @@ def _LoadAMDGPULibrary():
 def amdgpu_device_initialize(card=1):
     _LoadAMDGPULibrary()
 
-    fd = os.open(f"/dev/dri/card{card}", os.O_RDONLY)
+    try:
+        fd = os.open(f"/dev/dri/card{card}", os.O_RDONLY)
+    except FileNotFoundError:
+        raise AMDGPUError(AMDGPU_ERROR_CARD_NOTFOUND)
+
     c_major = c_uint32()
     c_minor = c_uint32()
     device = c_amdgpu_device_t()