Always filter devices (#12108)

* Always filter devices

Avoid crashing on unsupported AMD iGPUs

* Remove cuda device filtering

This interferes with mixed setups

discover/amd_linux.go

@@ -277,6 +277,7 @@ func AMDGetGPUInfo() ([]RocmGPUInfo, error) {
 					FreeMemory:  (totalMemory - usedMemory),
 				},
 				ID:            ID,
+				filterID:      gpuOrdinalID,
 				Name:          name,
 				Compute:       fmt.Sprintf("gfx%d%x%x", major, minor, patch),
 				MinimumMemory: rocmMinimumMemory,
@@ -394,7 +395,7 @@ func AMDGetGPUInfo() ([]RocmGPUInfo, error) {
 
 		// Check for env var workarounds
 		if name == "1002:687f" { // Vega RX 56
-			gpuInfo.EnvWorkarounds = append(gpuInfo.EnvWorkarounds, [2]string{"HSA_ENABLE_SDMA", "0"})
+			gpuInfo.EnvWorkarounds = append(gpuInfo.EnvWorkarounds, "HSA_ENABLE_SDMA=0")
 		}
 
 		// The GPU has passed all the verification steps and is supported
@@ -523,19 +524,26 @@ func verifyKFDDriverAccess() error {
 	return nil
 }
 
-func rocmGetVisibleDevicesEnv(gpuInfo []GpuInfo) (string, string) {
+func rocmGetVisibleDevicesEnv(gpuInfo []GpuInfo) string {
 	ids := []string{}
 	for _, info := range gpuInfo {
 		if info.Library != "rocm" {
-			// TODO shouldn't happen if things are wired correctly...
-			slog.Debug("rocmGetVisibleDevicesEnv skipping over non-rocm device", "library", info.Library)
 			continue
 		}
-		ids = append(ids, info.ID)
+		// If the devices requires a numeric ID, for filtering purposes, we use the unfiltered ID number
+		if _, err := strconv.Atoi(info.ID); err == nil {
+			ids = append(ids, fmt.Sprintf("%d", info.filterID))
+		} else {
+			ids = append(ids, info.ID)
+		}
 	}
+	if len(ids) == 0 {
+		return ""
+	}
+
 	// There are 3 potential env vars to use to select GPUs.
 	// ROCR_VISIBLE_DEVICES supports UUID or numeric so is our preferred on linux
 	// GPU_DEVICE_ORDINAL supports numeric IDs only
 	// HIP_VISIBLE_DEVICES supports numeric IDs only
-	return "ROCR_VISIBLE_DEVICES", strings.Join(ids, ",")
+	return "ROCR_VISIBLE_DEVICES=" + strings.Join(ids, ",")
 }

discover/amd_windows.go

@@ -111,6 +111,7 @@ func AMDGetGPUInfo() ([]RocmGPUInfo, error) {
 				UnreliableFreeMemory: true,
 
 				ID:             strconv.Itoa(i), // TODO this is probably wrong if we specify visible devices
+				filterID:       i,
 				DependencyPath: []string{libDir},
 				MinimumMemory:  rocmMinimumMemory,
 				Name:           name,
@@ -200,19 +201,26 @@ func (gpus RocmGPUInfoList) RefreshFreeMemory() error {
 	return nil
 }
 
-func rocmGetVisibleDevicesEnv(gpuInfo []GpuInfo) (string, string) {
+func rocmGetVisibleDevicesEnv(gpuInfo []GpuInfo) string {
 	ids := []string{}
 	for _, info := range gpuInfo {
 		if info.Library != "rocm" {
-			// TODO shouldn't happen if things are wired correctly...
-			slog.Debug("rocmGetVisibleDevicesEnv skipping over non-rocm device", "library", info.Library)
 			continue
 		}
-		ids = append(ids, info.ID)
+		// If the devices requires a numeric ID, for filtering purposes, we use the unfiltered ID number
+		if _, err := strconv.Atoi(info.ID); err == nil {
+			ids = append(ids, fmt.Sprintf("%d", info.filterID))
+		} else {
+			ids = append(ids, info.ID)
+		}
 	}
+	if len(ids) == 0 {
+		return ""
+	}
+
 	// There are 3 potential env vars to use to select GPUs.
 	// ROCR_VISIBLE_DEVICES supports UUID or numeric but does not work on Windows
 	// HIP_VISIBLE_DEVICES supports numeric IDs only
 	// GPU_DEVICE_ORDINAL supports numeric IDs only
-	return "HIP_VISIBLE_DEVICES", strings.Join(ids, ",")
+	return "HIP_VISIBLE_DEVICES=" + strings.Join(ids, ",")
 }

discover/cuda_common.go

@@ -16,19 +16,6 @@ import (
 // Included to drive logic for reducing Ollama-allocated overhead on L4T/Jetson devices.
 var CudaTegra string = os.Getenv("JETSON_JETPACK")
 
-func cudaGetVisibleDevicesEnv(gpuInfo []GpuInfo) (string, string) {
-	ids := []string{}
-	for _, info := range gpuInfo {
-		if info.Library != "cuda" {
-			// TODO shouldn't happen if things are wired correctly...
-			slog.Debug("cudaGetVisibleDevicesEnv skipping over non-cuda device", "library", info.Library)
-			continue
-		}
-		ids = append(ids, info.ID)
-	}
-	return "CUDA_VISIBLE_DEVICES", strings.Join(ids, ",")
-}
-
 func cudaVariant(gpuInfo CudaGPUInfo) string {
 	if runtime.GOARCH == "arm64" && runtime.GOOS == "linux" {
 		if CudaTegra != "" {

discover/gpu.go

@@ -371,6 +371,15 @@ func GetGPUInfo() GpuInfoList {
 		}
 
 		rocmGPUs, err = AMDGetGPUInfo()
+
+		// The ID field is used in context of the filtered set of GPUS
+		// so we have to replace any of these numeric IDs with their
+		// placement in this set of GPUs
+		for i := range rocmGPUs {
+			if _, err := strconv.Atoi(rocmGPUs[i].ID); err == nil {
+				rocmGPUs[i].ID = strconv.Itoa(i)
+			}
+		}
 		if err != nil {
 			bootstrapErrors = append(bootstrapErrors, err)
 		}
@@ -680,23 +689,16 @@ func getVerboseState() C.uint16_t {
 
 // Given the list of GPUs this instantiation is targeted for,
 // figure out the visible devices environment variable
-//
+func (l GpuInfoList) GetVisibleDevicesEnv() []string {
-// If different libraries are detected, the first one is what we use
-func (l GpuInfoList) GetVisibleDevicesEnv() (string, string) {
 	if len(l) == 0 {
-		return "", ""
+		return nil
 	}
-	switch l[0].Library {
+	vd := []string{}
-	case "cuda":
+	// Only filter the AMD GPUs at this level, let all NVIDIA devices through
-		return cudaGetVisibleDevicesEnv(l)
+	if tmp := rocmGetVisibleDevicesEnv(l); tmp != "" {
-	case "rocm":
+		vd = append(vd, tmp)
-		return rocmGetVisibleDevicesEnv(l)
-	case "oneapi":
-		return oneapiGetVisibleDevicesEnv(l)
-	default:
-		slog.Debug("no filter required for library " + l[0].Library)
-		return "", ""
 	}
+	return vd
 }
 
 func GetSystemInfo() SystemInfo {

discover/gpu_darwin.go

@@ -62,9 +62,9 @@ func GetCPUMem() (memInfo, error) {
 	}, nil
 }
 
-func (l GpuInfoList) GetVisibleDevicesEnv() (string, string) {
+func (l GpuInfoList) GetVisibleDevicesEnv() []string {
 	// No-op on darwin
-	return "", ""
+	return nil
 }
 
 func GetSystemInfo() SystemInfo {

discover/gpu_oneapi.go

@@ -1,21 +0,0 @@
-//go:build linux || windows
-
-package discover
-
-import (
-	"log/slog"
-	"strings"
-)
-
-func oneapiGetVisibleDevicesEnv(gpuInfo []GpuInfo) (string, string) {
-	ids := []string{}
-	for _, info := range gpuInfo {
-		if info.Library != "oneapi" {
-			// TODO shouldn't happen if things are wired correctly...
-			slog.Debug("oneapiGetVisibleDevicesEnv skipping over non-sycl device", "library", info.Library)
-			continue
-		}
-		ids = append(ids, info.ID)
-	}
-	return "ONEAPI_DEVICE_SELECTOR", "level_zero:" + strings.Join(ids, ",")
-}

discover/types.go

@@ -27,8 +27,8 @@ type GpuInfo struct { // TODO better name maybe "InferenceProcessor"?
 	// Any extra PATH/LD_LIBRARY_PATH dependencies required for the Library to operate properly
 	DependencyPath []string `json:"lib_path,omitempty"`
 
-	// Extra environment variables specific to the GPU as list of [key,value]
+	// Extra environment variables specific to the GPU as list of [key=value]
-	EnvWorkarounds [][2]string `json:"envs,omitempty"`
+	EnvWorkarounds []string `json:"envs,omitempty"`
 
 	// Set to true if we can NOT reliably discover FreeMemory.  A value of true indicates
 	// the FreeMemory is best effort, and may over or under report actual memory usage
@@ -36,9 +36,10 @@ type GpuInfo struct { // TODO better name maybe "InferenceProcessor"?
 	UnreliableFreeMemory bool
 
 	// GPU information
-	ID      string `json:"gpu_id"`  // string to use for selection of this specific GPU
+	ID       string `json:"gpu_id"` // string to use for selection of this specific GPU
-	Name    string `json:"name"`    // user friendly name if available
+	filterID int    //nolint:unused,nolintlint // AMD Workaround: The numeric ID of the device used to filter out other devices
-	Compute string `json:"compute"` // Compute Capability or gfx
+	Name     string `json:"name"`    // user friendly name if available
+	Compute  string `json:"compute"` // Compute Capability or gfx
 
 	// Driver Information - TODO no need to put this on each GPU
 	DriverMajor int `json:"driver_major,omitempty"`

llm/server.go

@@ -360,23 +360,28 @@ func NewLlamaServer(gpus discover.GpuInfoList, modelPath string, f *ggml.GGML, a
 
 		s.cmd.Env = append(s.cmd.Env, "OLLAMA_LIBRARY_PATH="+strings.Join(ggmlPaths, string(filepath.ListSeparator)))
 
-		envWorkarounds := [][2]string{}
+		envWorkarounds := []string{}
 		for _, gpu := range gpus {
 			envWorkarounds = append(envWorkarounds, gpu.EnvWorkarounds...)
 		}
+		// Always filter down the set of GPUs in case there are any unsupported devices that might crash
+		envWorkarounds = append(envWorkarounds, gpus.GetVisibleDevicesEnv()...)
 		pathEnvVal := strings.Join(libraryPaths, string(filepath.ListSeparator))
 
 		// Update or add the path variable with our adjusted version
 		pathNeeded := true
+		envWorkaroundDone := make([]bool, len(envWorkarounds))
 		for i := range s.cmd.Env {
 			cmp := strings.SplitN(s.cmd.Env[i], "=", 2)
 			if strings.EqualFold(cmp[0], pathEnv) {
 				s.cmd.Env[i] = pathEnv + "=" + pathEnvVal
 				pathNeeded = false
 			} else if len(envWorkarounds) != 0 {
-				for _, kv := range envWorkarounds {
+				for j, kv := range envWorkarounds {
-					if strings.EqualFold(cmp[0], kv[0]) {
+					tmp := strings.SplitN(kv, "=", 2)
-						s.cmd.Env[i] = kv[0] + "=" + kv[1]
+					if strings.EqualFold(cmp[0], tmp[0]) {
+						s.cmd.Env[i] = kv
+						envWorkaroundDone[j] = true
 					}
 				}
 			}
@@ -384,6 +389,11 @@ func NewLlamaServer(gpus discover.GpuInfoList, modelPath string, f *ggml.GGML, a
 		if pathNeeded {
 			s.cmd.Env = append(s.cmd.Env, pathEnv+"="+pathEnvVal)
 		}
+		for i, done := range envWorkaroundDone {
+			if !done {
+				s.cmd.Env = append(s.cmd.Env, envWorkarounds[i])
+			}
+		}
 
 		slog.Info("starting runner", "cmd", s.cmd)
 		slog.Debug("subprocess", "", filteredEnv(s.cmd.Env))