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diff --git a/test/src/ptdump-bad_opc-resync.ptt b/test/src/ptdump-bad_opc-resync.ptt
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+; Copyright (c) 2018-2019, Intel Corporation
+;
+; Redistribution and use in source and binary forms, with or without
+; modification, are permitted provided that the following conditions are met:
+;
+; * Redistributions of source code must retain the above copyright notice,
+; this list of conditions and the following disclaimer.
+; * Redistributions in binary form must reproduce the above copyright notice,
+; this list of conditions and the following disclaimer in the documentation
+; and/or other materials provided with the distribution.
+; * Neither the name of Intel Corporation nor the names of its contributors
+; may be used to endorse or promote products derived from this software
+; without specific prior written permission.
+;
+; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+; ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+; LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+; CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+; SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+; CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+; ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+; POSSIBILITY OF SUCH DAMAGE.
+
+; Test that ptdump resyncs at the next PSB after a decode error.
+;
+; We try to synchronize at PSB that have been partially consumed by the
+; previous packet. Make sure we do not resync at the current PSB if the
+; error occurred right after it.
+;
+; We pad the trace stream to place the error at a 64b boundary to account
+; for the aligning we do in our PSB pattern search.
+
+org 0x1000
+bits 64
+
+; @pt pad()
+; @pt pad()
+; @pt pad()
+; @pt pad()
+; @pt pad()
+; @pt pad()
+; @pt pad()
+; @pt p0: psb()
+; @pt p1: raw-8(0xd9)
+; @pt p2: psb()
+; @pt p3: fup(3: 0xa0001000)
+; @pt p4: psbend()
+
+; yasm does not like empty files
+ nop
+
+
+; @pt .exp(ptdump)
+;%0p0 psb
+;[%p1: error decoding packet: unknown opcode]
+;%0p2 psb
+;%0p3 fup 3: 00000000a0001000
+;%0p4 psbend