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diff --git a/scripts/rt-tester/t2-l2-2rt-deadlock.tst b/scripts/rt-tester/t2-l2-2rt-deadlock.tst
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+++ b/scripts/rt-tester/t2-l2-2rt-deadlock.tst
@@ -0,0 +1,89 @@
+#
+# RT-Mutex test
+#
+# Op: C(ommand)/T(est)/W(ait)
+# | opcode
+# | | threadid: 0-7
+# | | | opcode argument
+# | | | |
+# C: lock: 0: 0
+#
+# Commands
+#
+# opcode opcode argument
+# schedother nice value
+# schedfifo priority
+# lock lock nr (0-7)
+# locknowait lock nr (0-7)
+# lockint lock nr (0-7)
+# lockintnowait lock nr (0-7)
+# lockcont lock nr (0-7)
+# unlock lock nr (0-7)
+# lockbkl lock nr (0-7)
+# unlockbkl lock nr (0-7)
+# signal 0
+# reset 0
+# resetevent 0
+#
+# Tests / Wait
+#
+# opcode opcode argument
+#
+# prioeq priority
+# priolt priority
+# priogt priority
+# nprioeq normal priority
+# npriolt normal priority
+# npriogt normal priority
+# locked lock nr (0-7)
+# blocked lock nr (0-7)
+# blockedwake lock nr (0-7)
+# unlocked lock nr (0-7)
+# lockedbkl dont care
+# blockedbkl dont care
+# unlockedbkl dont care
+# opcodeeq command opcode or number
+# opcodelt number
+# opcodegt number
+# eventeq number
+# eventgt number
+# eventlt number
+
+#
+# 2 threads 2 lock
+#
+C: resetevent: 0: 0
+W: opcodeeq: 0: 0
+
+# Set schedulers
+C: schedfifo: 0: 80
+C: schedfifo: 1: 80
+
+# T0 lock L0
+C: locknowait: 0: 0
+W: locked: 0: 0
+
+# T1 lock L1
+C: locknowait: 1: 1
+W: locked: 1: 1
+
+# T0 lock L1
+C: lockintnowait: 0: 1
+W: blocked: 0: 1
+
+# T1 lock L0
+C: lockintnowait: 1: 0
+W: blocked: 1: 0
+
+# Make deadlock go away
+C: signal: 1: 0
+W: unlocked: 1: 0
+C: signal: 0: 0
+W: unlocked: 0: 1
+
+# Unlock and exit
+C: unlock: 0: 0
+W: unlocked: 0: 0
+C: unlock: 1: 1
+W: unlocked: 1: 1
+