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+qemu-arm hangs when golang running test
+
+
+1. Environment:
+Ubuntu 16.04.5 X86_64
+qemu-arm version 4.2.0
+go version go 1.14.1 linux/arm
+
+2. Summary:
+Sometimes "go run test.go" command hang
+
+
+3. Reproduction Method (Attempts: 500 Occurred: 1 ): Frequency: 1/500
+
+
+test.go
+======================================
+package main
+import "fmt"
+func main(){
+        for i:=0; i<1000; i++ {
+                fmt.Printf("[%d] Hello world\n", i)
+        }
+}
+======================================
+
+i tested "go run test.go" command called  500 times at qemu arm env.
+qemu hangs about 200~300.
+
+attached strace log.
+
+please check.
+thanks
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