From d215ba03d0d5748861829f437336bb2ca06e8484 Mon Sep 17 00:00:00 2001
From: ZheWang <zhe1.wang@intel.com>
Date: Mon, 22 Jul 2024 09:56:24 +0800
Subject: [PATCH] fix old lze driver crash

---
 gpu/gpu.go | 76 ++++++++++++++++++++++++++++--------------------------
 1 file changed, 39 insertions(+), 37 deletions(-)

diff --git a/gpu/gpu.go b/gpu/gpu.go
index d34193fa3b8..59b64d240d9 100644
--- a/gpu/gpu.go
+++ b/gpu/gpu.go
@@ -312,45 +312,47 @@ func GetGPUInfo() GpuInfoList {
 		// Intel
 		if envconfig.IntelGpu {
 			oHandles = initOneAPIHandles()
-			// On windows we bundle the oneapi library one level above the runner dir
-			depPath = ""
-			if runtime.GOOS == "windows" && envconfig.RunnersDir != "" {
-				depPath = filepath.Join(filepath.Dir(envconfig.RunnersDir), "oneapi")
-			}
-
-			for d := range oHandles.oneapi.num_drivers {
-				if oHandles.oneapi == nil {
-					// shouldn't happen
-					slog.Warn("nil oneapi handle with driver count", "count", int(oHandles.oneapi.num_drivers))
-					continue
+			if oHandles.oneapi != nil {
+				// On windows we bundle the oneapi library one level above the runner dir
+				depPath = ""
+				if runtime.GOOS == "windows" && envconfig.RunnersDir != "" {
+					depPath = filepath.Join(filepath.Dir(envconfig.RunnersDir), "oneapi")
 				}
-				devCount := C.oneapi_get_device_count(*oHandles.oneapi, C.int(d))
-				for i := range devCount {
-					gpuInfo := OneapiGPUInfo{
-						GpuInfo: GpuInfo{
-							Library: "oneapi",
-						},
-						driverIndex: int(d),
-						gpuIndex:    int(i),
-					}
-					// TODO - split bootstrapping from updating free memory
-					C.oneapi_check_vram(*oHandles.oneapi, C.int(d), i, &memInfo)
-					// TODO - convert this to MinimumMemory based on testing...
-					var totalFreeMem float64 = float64(memInfo.free) * 0.95 // work-around: leave some reserve vram for mkl lib used in ggml-sycl backend.
-					memInfo.free = C.uint64_t(totalFreeMem)
-					gpuInfo.TotalMemory = uint64(memInfo.total)
-					gpuInfo.FreeMemory = uint64(memInfo.free)
-					gpuInfo.ID = C.GoString(&memInfo.gpu_id[0])
-					gpuInfo.Name = C.GoString(&memInfo.gpu_name[0])
-					// now level-zero dosen't support iGPU mem status detection, 0 byte vram is a sign of iGPU
-					gpuInfo.isiGPU = gpuInfo.TotalMemory == 0
-					// enable Core Ultra Xe igpus.
-					if envconfig.ForceEnableIntelIGPU || (IsIntelCoreUltraCpus() && gpuInfo.isiGPU) {
-						DetectInteliGpuMemStatus(&gpuInfo)
+
+				for d := range oHandles.oneapi.num_drivers {
+					if oHandles.oneapi == nil {
+						// shouldn't happen
+						slog.Warn("nil oneapi handle with driver count", "count", int(oHandles.oneapi.num_drivers))
+						continue
 					}
-					gpuInfo.DependencyPath = depPath
-					if gpuInfo.TotalMemory > 0 {
-						oneapiGPUs = append(oneapiGPUs, gpuInfo)
+					devCount := C.oneapi_get_device_count(*oHandles.oneapi, C.int(d))
+					for i := range devCount {
+						gpuInfo := OneapiGPUInfo{
+							GpuInfo: GpuInfo{
+								Library: "oneapi",
+							},
+							driverIndex: int(d),
+							gpuIndex:    int(i),
+						}
+						// TODO - split bootstrapping from updating free memory
+						C.oneapi_check_vram(*oHandles.oneapi, C.int(d), i, &memInfo)
+						// TODO - convert this to MinimumMemory based on testing...
+						var totalFreeMem float64 = float64(memInfo.free) * 0.95 // work-around: leave some reserve vram for mkl lib used in ggml-sycl backend.
+						memInfo.free = C.uint64_t(totalFreeMem)
+						gpuInfo.TotalMemory = uint64(memInfo.total)
+						gpuInfo.FreeMemory = uint64(memInfo.free)
+						gpuInfo.ID = C.GoString(&memInfo.gpu_id[0])
+						gpuInfo.Name = C.GoString(&memInfo.gpu_name[0])
+						// now level-zero dosen't support iGPU mem status detection, 0 byte vram is a sign of iGPU
+						gpuInfo.isiGPU = gpuInfo.TotalMemory == 0
+						// enable Core Ultra Xe igpus.
+						if envconfig.ForceEnableIntelIGPU || (IsIntelCoreUltraCpus() && gpuInfo.isiGPU) {
+							DetectInteliGpuMemStatus(&gpuInfo)
+						}
+						gpuInfo.DependencyPath = depPath
+						if gpuInfo.TotalMemory > 0 {
+							oneapiGPUs = append(oneapiGPUs, gpuInfo)
+						}
 					}
 				}
 			}