diff --git a/bbootimg/src/main/kotlin/bootimg/cpio/AndroidCpio.kt b/bbootimg/src/main/kotlin/bootimg/cpio/AndroidCpio.kt
index 9a60a39..65af803 100644
--- a/bbootimg/src/main/kotlin/bootimg/cpio/AndroidCpio.kt
+++ b/bbootimg/src/main/kotlin/bootimg/cpio/AndroidCpio.kt
@@ -147,11 +147,10 @@ class AndroidCpio {
                 entry.statMode = itemConfig[0].statMode
             }
             else -> {
-                //Issue #73: https://github.com/cfig/Android_boot_image_editor/issues/73
-                //Reason: cpio may have multiple entries with the same name, that's ugly!
-                //throw IllegalArgumentException("${entry.name} has multiple exact-match fsConfig")
-                log.warn("${entry.name} has multiple exact-match fsConfig")
-                entry.statMode = itemConfig[0].statMode
+                //Issue #75: https://github.com/cfig/Android_boot_image_editor/issues/75
+                //Reason: cpio may have multiple entries with the same name, that's caused by man-made errors
+                throw IllegalArgumentException("${entry.name} has multiple exact-match fsConfig, " +
+                        "check https://github.com/cfig/Android_boot_image_editor/issues/75")
             }
         }
     }
diff --git a/bbootimg/src/test/kotlin/bcb/VirtualABMsgTest.kt b/bbootimg/src/test/kotlin/bcb/VirtualABMsgTest.kt
index 70c4386..80b1d8b 100644
--- a/bbootimg/src/test/kotlin/bcb/VirtualABMsgTest.kt
+++ b/bbootimg/src/test/kotlin/bcb/VirtualABMsgTest.kt
@@ -2,32 +2,41 @@ package bcb
 
 import cfig.bcb.VirtualABMsg
 import cfig.bootimg.Common.Companion.deleleIfExists
+import cfig.helper.Helper
 import cfig.helper.Helper.Companion.check_call
-import org.junit.After
-import org.junit.Before
+import org.apache.commons.exec.CommandLine
+import org.junit.*
 
-import org.junit.Ignore
-import org.junit.Test
 import org.slf4j.LoggerFactory
 import java.io.File
 import java.io.FileInputStream
+import java.io.IOException
 
 class VirtualABMsgTest {
     private val log = LoggerFactory.getLogger(VirtualABMsgTest::class.java)
 
     @Before
     fun setUp() {
-        "adb root".check_call()
+        Assume.assumeTrue(
+            try {
+                "adb --version".check_call()
+                true
+            } catch (e: IOException) {
+                false
+            }
+        )
+        Assume.assumeTrue(Helper.powerRun3(CommandLine.parse("adb root"), null)[0] as Boolean)
         "adb wait-for-device".check_call()
         "adb shell dd if=/dev/block/by-name/misc of=/data/vendor/debug.misc skip=512 bs=64 count=1".check_call()
         "adb pull /data/vendor/debug.misc".check_call()
     }
 
     @Test
-    @Ignore
     fun parseVAB() {
-        val vab = VirtualABMsg(FileInputStream("debug.misc"))
-        log.info("VAB msg: $vab")
+        FileInputStream("debug.misc").use {
+            val vab = VirtualABMsg(it)
+            log.info("VAB msg: $vab")
+        }
     }
 
     @After