added additional check for first console when booting on arm hosts

pkg/console/tty.go

@@ -3,6 +3,7 @@ package console
 import (
 	"io/ioutil"
 	"os"
+	goruntime "runtime"
 	"strings"
 
 	"github.com/sirupsen/logrus"
@@ -17,6 +18,15 @@ func getFirstConsoleTTY() string {
 
 	ttys := strings.Split(strings.TrimRight(string(b), "\n"), " ")
 	if len(ttys) > 0 {
+		// arm devices generally have first console as /dev/ttyAMA0
+		// this console is skipped in iso based installs due to display resolution issues
+		// as a result of this automatic install via ipxe fails since installer runs in
+		// say /dev/tty1 but first console returned by this method is ttyAMA0
+		// we are currently adding a check to skip AMA0 if it is the first console and return
+		// the second item in the list
+		if goruntime.GOARCH == "arm64" && strings.Contains(ttys[0], "AMA0") && len(ttys) > 1 {
+			return ttys[1]
+		}
 		return ttys[0]
 	}
 	return ""