diff --git a/extra/mockgpu/amd/amdgpu.py b/extra/mockgpu/amd/amdgpu.py
index 495de203..86d908d0 100644
--- a/extra/mockgpu/amd/amdgpu.py
+++ b/extra/mockgpu/amd/amdgpu.py
@@ -19,11 +19,18 @@ WAIT_REG_MEM_FUNCTION_ALWAYS = 0
 WAIT_REG_MEM_FUNCTION_EQ = 3 # ==
 WAIT_REG_MEM_FUNCTION_GEQ = 5 # >=
 
-try:
-  remu = ctypes.CDLL("/usr/local/lib/libremu.so")
-  remu.run_asm.restype = ctypes.c_int32
-  remu.run_asm.argtypes = [ctypes.c_void_p, ctypes.c_uint32, ctypes.c_uint32, ctypes.c_uint32, ctypes.c_uint32, ctypes.c_uint32, ctypes.c_uint32, ctypes.c_uint32, ctypes.c_void_p]
-except Exception: pass
+REMU_PATHS = ["libremu.so", "/usr/local/lib/libremu.so"]
+def _try_dlopen_remu():
+  for path in REMU_PATHS:
+    try:
+      remu = ctypes.CDLL(path)
+      remu.run_asm.restype = ctypes.c_int32
+      remu.run_asm.argtypes = [ctypes.c_void_p, ctypes.c_uint32, ctypes.c_uint32, ctypes.c_uint32, ctypes.c_uint32, ctypes.c_uint32, ctypes.c_uint32, ctypes.c_uint32, ctypes.c_void_p]
+    except OSError: pass
+    else: return remu
+  print("Could not find libremu.so")
+  return None
+remu = _try_dlopen_remu()
 
 def create_sdma_packets():
   # TODO: clean up this, if we want to keep it
@@ -287,4 +294,4 @@ debug_prop 1495
 sdma_fw_version 20
 unique_id 11673270660693242239
 num_xcc 1
-max_engine_clk_ccompute 2400"""
\ No newline at end of file
+max_engine_clk_ccompute 2400"""
diff --git a/extra/mockgpu/mockgpu.py b/extra/mockgpu/mockgpu.py
index 744fbd5e..05b40a25 100644
--- a/extra/mockgpu/mockgpu.py
+++ b/extra/mockgpu/mockgpu.py
@@ -13,7 +13,8 @@ libc.munmap.restype = ctypes.c_int
 libc.fdopendir.argtypes = [ctypes.c_int]
 libc.fdopendir.restype = ctypes.c_void_p
 
-processor = platform.processor()
+# platform.processor calls `uname -p` which can return `unknown` on some systems
+processor = os.getenv("IOCTL_PROCESSOR") or platform.processor()
 OPEN_SYSCALL = {"aarch64": None, "x86_64": 2}[processor]
 CLOSE_SYSCALL = {"aarch64": 57, "x86_64": 3}[processor]
 READ_SYSCALL = {"aarch64": 63, "x86_64": 0}[processor]
@@ -200,4 +201,4 @@ builtins.memoryview = _memoryview # type: ignore
 # rewrite autogen's libc mmaps functions.
 import tinygrad.runtime.autogen.libc as autogen_libc
 autogen_libc.mmap = _mmap # type: ignore
-autogen_libc.munmap = _munmap # type: ignore
\ No newline at end of file
+autogen_libc.munmap = _munmap # type: ignore