Merge pull request #3065 from afbjorklund/intel-avx512

Disable AVX-512 support for macOS Intel host
lima-vm · Jan 21, 2025 · 26aed70 · 26aed70
2 parents 274d3d9 + 858ec2c
commit 26aed70
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/pkg/limayaml/defaults.go b/pkg/limayaml/defaults.go
@@ -73,6 +73,10 @@ func defaultCPUType() CPUType {
 		if arch == X8664 && runtime.GOOS == "darwin" {
 			switch cpuType[arch] {
 			case "host", "max":
+				// disable AVX-512, since it requires trapping instruction faults in guest
+				// Enterprise Linux requires either v2 (SSE4) or v3 (AVX2), but not yet v4.
+				cpuType[arch] += ",-avx512vl"
+
 				// Disable pdpe1gb on Intel Mac
 				// https://github.com/lima-vm/lima/issues/1485
 				// https://stackoverflow.com/a/72863744/5167443