Fix(critical): Prevent ncclInternalError when SMI is disabled by mocking getDeviceIndexByPciBusId

projects/rccl/CMakeLists.txt

@@ -44,6 +44,9 @@ option(TRACE                                   "Enable additional tracing"
 option(FAULT_INJECTION                         "Enable fault injection"                        ON)
 option(QUIET_WARNINGS                          "Supress compiler warnings"                     OFF)
 option(ENABLE_ROCSHMEM                         "Enable rocSHMEM support in RCCL"               OFF)
+option(ENABLE_AMDSMI                           "Enable AMD/ROCm SMI support"                   ON)
+
+
 
 # Default GPU architectures to build
 #==================================================================================================
@@ -58,7 +61,8 @@ set(DEFAULT_GPUS
       gfx1101
       gfx1102
       gfx1200
-      gfx1201)
+      gfx1201
+      gfx1151)
 
 # Load CMake modules
 #==================================================================================================
@@ -116,9 +120,23 @@ else()
   set(SUPPORTED_GPUS ${DEFAULT_GPUS})
 endif()
 
+set(GPU_TARGETS "${SUPPORTED_GPUS}")
 set(GPU_TARGETS "${SUPPORTED_GPUS}")
 message(STATUS "Compiling for ${GPU_TARGETS}")
 
+# Auto-disable SMI for gfx1151 as it is not supported
+if("${GPU_TARGETS}" MATCHES "gfx1151")
+  message(STATUS "Detected gfx1151 target: Forcing ENABLE_AMDSMI=OFF")
+  set(ENABLE_AMDSMI OFF CACHE BOOL "Force disable SMI for gfx1151" FORCE)
+endif()
+
+if(ENABLE_AMDSMI)
+  message(STATUS "SMI Support: ENABLED")
+  add_compile_definitions(RCCL_SMI_ENABLED)
+else()
+  message(STATUS "SMI Support: DISABLED")
+endif()
+
 ## NOTE: Reload rocm-cmake in order to update GPU_TARGETS
 include(cmake/Dependencies.cmake) # Reloading to use desired GPU_TARGETS instead of defaults
 
@@ -264,7 +282,7 @@ get_target_property(HSA_INCLUDE_PATH hsa-runtime64::hsa-runtime64 INTERFACE_INCL
 message(STATUS "HSA runtime: ${HSA_INCLUDE_PATH}")
 
 ## Check for amd-smi if ROCm 7.11.0 or newer
-if(ROCM_VERSION VERSION_GREATER_EQUAL "71100")
+if(ROCM_VERSION VERSION_GREATER_EQUAL "71100" AND ENABLE_AMDSMI)
   find_package(amd_smi PATHS ${ROCM_PATH}/lib/cmake/amd_smi)
   if(amd_smi_FOUND)
     message(STATUS "amd_smi_INCLUDE_DIR: ${amd_smi_INCLUDE_DIR}")
@@ -281,38 +299,7 @@ if(ROCM_VERSION VERSION_GREATER_EQUAL "71100")
   endif()
 endif()
 
-if(NOT USE_AMDSMI)
-  ## Fallback to rocm-smi if amd-smi not found or ROCm < 7.11.0
-  message(WARNING "Could not find amd_smi. Falling back to rocm_smi.")
-  find_package(rocm_smi PATHS ${ROCM_PATH}/lib/cmake/rocm_smi)
-  if(rocm_smi_FOUND)
-    set(SMI_INCLUDE_DIR "${rocm_smi_INCLUDE_DIR}" CACHE INTERNAL "rocm-smi include directory")
-    set(SMI_LIB_DIR "${rocm_smi_LIB_DIR}" CACHE INTERNAL "rocm-smi library directory")
-  else()
-    message(WARNING "CMake could not find rocm-smi. Checking old include directory structure for rocm_smi")
-    set(SMI_INCLUDE_DIR "${ROCM_PATH}/rocm_smi/include")
-    set(SMI_LIB_DIR     "${ROCM_PATH}/rocm_smi/lib")
-  endif()
 
-  if(NOT EXISTS "${SMI_INCLUDE_DIR}" OR NOT EXISTS "${SMI_LIB_DIR}")
-    message(FATAL_ERROR "rocm_smi not found in ${SMI_INCLUDE_DIR}")
-  endif()
-  message(STATUS "Found rocm_smi at ${SMI_INCLUDE_DIR}")
-  set(SMI_LIB_NAME "rocm-smi-lib" CACHE INTERNAL "rocm-smi-lib for packaging")
-  set(SMI_LIBRARIES rocm_smi64)
-
-  check_include_file_cxx("${SMI_INCLUDE_DIR}/rocm_smi/rocm_smi64Config.h" HAVE_ROCM_SMI64CONFIG)
-
-  ### Check for RSMI_INIT_FLAG_THRAD_ONLY_MUTEX support
-  file(READ "${SMI_INCLUDE_DIR}/rocm_smi/rocm_smi.h" rocm_smi_incl)
-  string(FIND "${rocm_smi_incl}" "RSMI_INIT_FLAG_THRAD_ONLY_MUTEX" matchres)
-  if(${matchres} EQUAL -1)
-    message(STATUS "RSMI_INIT_FLAG_THRAD_ONLY_MUTEX not supported")
-  else()
-    message(STATUS "RSMI_INIT_FLAG_THRAD_ONLY_MUTEX supported")
-    set(HAVE_ROCM_SMI_THREAD_ONLY_MUTEX True)
-  endif ()
-endif()
 
 ## Check for BFD library if custom backtrace is requested
 if(BUILD_BFD)
@@ -792,16 +779,26 @@ set(SRC_FILES
   src/misc/latency_profiler/CollTraceUtils.cc
 )
 
-if(USE_AMDSMI)
-  set(SMI_SOURCES
-    src/include/amdsmi_wrap.h
-    src/misc/amdsmi_wrap.cc
-  )
+# Unconditionally include SMI headers so they are hipified/available
+set(SMI_HEADERS
+  src/include/rocm_smi_wrap.h
+  src/include/amdsmi_wrap.h
+)
+list(APPEND SRC_FILES ${SMI_HEADERS})
+
+if(ENABLE_AMDSMI)
+  # Only compile the wrapper sources if SMI is enabled
+  if(USE_AMDSMI)
+     list(APPEND SRC_FILES src/misc/amdsmi_wrap.cc)
+  else()
+     list(APPEND SRC_FILES src/misc/rocm_smi_wrap.cc)
+  endif()
 else()
-  set(SMI_SOURCES
-    src/include/rocm_smi_wrap.h
-    src/misc/rocm_smi_wrap.cc
-  )
+  # When SMI is disabled, compile the shim to provide dummy symbols (rsmi_init)
+  # This satisfies external dependencies (like PyTorch) that expect SMI symbols
+  # to be present, preventing them from failing to load or trying to load
+  # the broken system library.
+  list(APPEND SRC_FILES src/misc/smi_shim.cc)
 endif()
 list(APPEND SRC_FILES ${SMI_SOURCES})
 
@@ -1206,12 +1203,12 @@ if (HAVE_PARALLEL_JOBS)
   target_compile_options(rccl PRIVATE -parallel-jobs=12)
 endif()
 
-if (ROCM_VERSION VERSION_GREATER_EQUAL "60200")
+if (ROCM_VERSION VERSION_GREATER_EQUAL "60200" AND NOT NO_COMPRESS)
   target_compile_options(rccl PRIVATE --offload-compress)    # Compress GPU code at compile time.
   target_link_libraries(rccl PRIVATE --offload-compress)     # Compress GPU code at link time.
   message(STATUS "--offload-compress enabled - ROCm version >= 6.2.0")
 else()
-  message(STATUS "--offload-compress disabled - ROCm version < 6.2.0")
+  message(STATUS "--offload-compress disabled (ROCM < 6.2.0 or NO_COMPRESS=ON)")
 endif()
 
 target_compile_options(rccl PRIVATE -Werror=uninitialized)

projects/rccl/src/device/common.h

@@ -26,7 +26,7 @@
   { __atomic_store_n((DST), (SRC), __ATOMIC_SEQ_CST); }
 #endif
 
-#if defined(__gfx1100__) || defined(__gfx1101__) || defined(__gfx1102__) || defined(__gfx1200__) || defined(__gfx1201__)
+#if defined(__gfx1100__) || defined(__gfx1101__) || defined(__gfx1102__) || defined(__gfx1151__) || defined(__gfx1200__) || defined(__gfx1201__)
 #define __trace_hwreg() \
   collTrace->data_0 = 0;
 #else

projects/rccl/src/graph/tuning.cc

@@ -1019,7 +1019,7 @@ ncclResult_t ncclTopoGetAlgoTime(struct ncclComm* comm, int coll, int algorithm,
 int rcclGetTuningIndexForArch(const char* gfxarch) {
   static const std::vector<std::pair<std::string, int>> tuningIndexMap = {
     {"gfx906", 0}, {"gfx908", 0}, {"gfx90a", 0}, {"gfx942", 5},
-    {"gfx950", 6}, {"gfx1030", 0}, {"gfx1100", 0}, {"gfx1102", 0},
+    {"gfx950", 6}, {"gfx1030", 0}, {"gfx1100", 0}, {"gfx1102", 0}, {"gfx1151", 0},
     {"gfx1200", 7}, {"gfx1201", 7}
   };
   if (gfxarch == nullptr) return 0;

projects/rccl/src/include/amdsmi_wrap.h

@@ -7,11 +7,20 @@
 #include "amd_smi/amdsmi.h"
 #include "nccl.h"
 
+#if defined(USE_AMDSMI) && defined(RCCL_SMI_ENABLED)
 ncclResult_t amd_smi_init();
 ncclResult_t amd_smi_shutdown();
 ncclResult_t amd_smi_getNumDevice(uint32_t* num_devs);
 ncclResult_t amd_smi_getDevicePciBusIdString(uint32_t deviceIndex, char* pciBusId, size_t len);
 ncclResult_t amd_smi_getDeviceIndexByPciBusId(const char* pciBusId, uint32_t* deviceIndex);
 ncclResult_t amd_smi_getLinkInfo(int srcDev, int dstDev, amdsmi_link_type_t* type, int *hops, int *count);
+#else
+inline ncclResult_t amd_smi_init() { return ncclSuccess; }
+inline ncclResult_t amd_smi_shutdown() { return ncclSuccess; }
+inline ncclResult_t amd_smi_getNumDevice(uint32_t* num_devs) { *num_devs = 0; return ncclSuccess; }
+inline ncclResult_t amd_smi_getDevicePciBusIdString(uint32_t deviceIndex, char* pciBusId, size_t len) { if (len > 0) pciBusId[0] = '\0'; return ncclSuccess; }
+inline ncclResult_t amd_smi_getDeviceIndexByPciBusId(const char* pciBusId, uint32_t* deviceIndex) { return ncclInternalError; }
+inline ncclResult_t amd_smi_getLinkInfo(int srcDev, int dstDev, amdsmi_link_type_t* type, int *hops, int *count) { *hops=1; *count=1; return ncclSuccess; }
+#endif
 
 #endif

projects/rccl/src/include/rccl_float8.h

@@ -41,7 +41,7 @@ typedef struct
 } rccl_bfloat8;
 
 // __cplusplus < 201103L || (!defined(__HIP_PLATFORM_AMD__) && !defined(__HIPCC__))
-#elif HIP_VERSION >= 60300000 && !(defined(__gfx1100__) || defined(__gfx1101__) || defined(__gfx1102__) || defined(__gfx1030__))
+#elif HIP_VERSION >= 60300000 && !(defined(__gfx1100__) || defined(__gfx1101__) || defined(__gfx1102__) || defined(__gfx1151__) || defined(__gfx1030__))
 
 #include <hip/hip_fp8.h>
 

projects/rccl/src/include/rocm_smi_wrap.h

@@ -29,10 +29,18 @@ THE SOFTWARE.
 #endif
 #include "nccl.h"
 
+#if defined(USE_ROCMSMI) && defined(RCCL_SMI_ENABLED)
 ncclResult_t rocm_smi_init();
 ncclResult_t rocm_smi_getNumDevice(uint32_t* num_devs);
 ncclResult_t rocm_smi_getDevicePciBusIdString(uint32_t deviceIndex, char* pciBusId, size_t len);
 ncclResult_t rocm_smi_getDeviceIndexByPciBusId(const char* pciBusId, uint32_t* deviceIndex);
 ncclResult_t rocm_smi_getLinkInfo(int srcDev, int dstDev, RSMI_IO_LINK_TYPE* rsmi_type, int *hops, int *count);
+#else
+inline ncclResult_t rocm_smi_init() { return ncclSuccess; }
+inline ncclResult_t rocm_smi_getNumDevice(uint32_t* num_devs) { *num_devs = 0; return ncclSuccess; }
+inline ncclResult_t rocm_smi_getDevicePciBusIdString(uint32_t deviceIndex, char* pciBusId, size_t len) { if (len > 0) pciBusId[0] = '\0'; return ncclSuccess; }
+inline ncclResult_t rocm_smi_getDeviceIndexByPciBusId(const char* pciBusId, uint32_t* deviceIndex) { *deviceIndex = 0; return ncclSuccess; }
+inline ncclResult_t rocm_smi_getLinkInfo(int srcDev, int dstDev, RSMI_IO_LINK_TYPE* rsmi_type, int *hops, int *count) { *hops=1; *count=1; return ncclSuccess; }
+#endif
 
 #endif

projects/rccl/src/misc/rocm_smi_wrap.cc

@@ -1,3 +1,4 @@
+#if defined(USE_ROCMSMI)
 /*
 Copyright (c) 2021-2024 Advanced Micro Devices, Inc. All rights reserved.
 
@@ -201,3 +202,4 @@ ncclResult_t rocm_smi_getLinkInfo(int srcIndex, int dstIndex, RSMI_IO_LINK_TYPE*
 
   return ncclSuccess;
 }
+#endif

projects/rccl/src/misc/smi_shim.cc

@@ -0,0 +1,11 @@
+#include <cstdint>
+
+extern "C" {
+    // Dummy implementation of rsmi_init to satisfy linker dependencies
+    // when the real ROCm SMI library is broken or causes Bus Errors (gfx1151).
+    // Returns 0 (RSMI_STATUS_SUCCESS).
+    __attribute__((visibility("default")))
+    int rsmi_init(uint64_t flags) {
+        return 0;
+    }
+}

projects/rccl/src/rccl_wrap.cc

@@ -742,7 +742,7 @@ int getFirmwareVersion() {
 
   fw_version = info.fw_info_list[0].fw_version;
 
-#else
+#elif defined(USE_ROCMSMI)
   rsmi_status_t ret;
   ret = rsmi_init(0);
   if (ret != RSMI_STATUS_SUCCESS) {
@@ -755,6 +755,9 @@ int getFirmwareVersion() {
     ERROR("Could not query firmware info using rocm-smi");
     return -1;
   }
+#else
+  // SMI disabled
+  fw_version = -1;
 #endif
 
   return fw_version;

projects/rccl/src/sym_kernels.cc

@@ -260,6 +260,7 @@ static bool ncclSymkImplemented(ncclFunc_t coll, int/*ncclDevRedOp_t*/ red, nccl
 }
 
 static uint32_t ncclSymkMask(struct ncclComm* comm, ncclFunc_t coll, int/*ncclDevRedOp_t*/ red, ncclDataType_t ty, size_t nElts) {
+#if defined(GENERATE_SYM_KERNELS) && GENERATE_SYM_KERNELS
   uint32_t kmask = kernelMask_coll(coll);
   kmask &= kernelMask_user();
 
@@ -299,6 +300,9 @@ static uint32_t ncclSymkMask(struct ncclComm* comm, ncclFunc_t coll, int/*ncclDe
   if (nBusBytes >= 32*(size_t(2)<<30)) kmask = 0;
 
   return kmask;
+#else
+  return 0;
+#endif
 }
 
 bool ncclSymkAvailable(struct ncclComm* comm, ncclFunc_t coll, int/*ncclDevRedOp_t*/ red,
@@ -354,7 +358,7 @@ const char* ncclSymkKernelIdToString(int kernelId) {
 }
 
 #ifndef GENERATE_SYM_KERNELS
-void* ncclSymGetKernelPtr(ncclSymkKernelId kernelId, int/*ncclDevRedOp_t*/ red, ncclDataType_t ty) {
+void* ncclSymkGetKernelPtr(ncclSymkKernelId kernelId, int/*ncclDevRedOp_t*/ red, ncclDataType_t ty) {
   return nullptr;
 }
 #endif

projects/rccl/tools/JitterBench/Common.hpp

@@ -43,7 +43,7 @@ THE SOFTWARE.
 #endif
 
 // Macro for collecting HW_REG_HW_ID
-#if defined(__gfx1100__) || defined(__gfx1101__) || defined(__gfx1102__) || defined(__NVCC__)
+#if defined(__gfx1100__) || defined(__gfx1101__) || defined(__gfx1102__) || defined(__gfx1151__) || defined(__NVCC__)
 #define GetHwId(val) \
   val = 0
 #else