Using single core compile on my Ubuntu machine (multi-core compile shows similar results), test-suites.log copied below. When encoding a JPEG, it says:

lepton v1.0-1.2.1-37-g7e9ef87 Illegal instruction (core dumped) SHORT_READ

=================================== lepton 0.01: ./test-suite.log

TOTAL: 39

PASS: 8

SKIP: 0

XFAIL: 0

FAIL: 31

XPASS: 0

ERROR: 0

.. contents:: :depth: 2

FAIL: test_suite/test_invariants

FAIL: test_suite/test_baseline

./lepton -hugepages -decode -recodememory=24M - (NULL) ./lepton -hugepages -recode -recodememory=24M - (NULL) Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 SHORT_READ Timing encode: 0.278933 encode process exit: 0.279001 test_suite/timing_driver.cc:399: ret > 0filetype of file "-" is unknown4096 bytes needed to decompress this file UNSUPPORTED_JPEG

FAIL: test_suite/test_misc

Loading 95820 ./lepton -hugepages -decode -recodememory=24M - (NULL) ./lepton -hugepages -recode -recodememory=24M - (NULL) Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 SHORT_READ Timing encode: 0.308736 encode process exit: 0.308841 test_suite/timing_driver.cc:399: ret > 0filetype of file "-" is unknown4096 bytes needed to decompress this file UNSUPPORTED_JPEG

FAIL: test_suite/test_iphone

Loading 2236391 ./lepton -hugepages -decode -recodememory=24M - (NULL) ./lepton -hugepages -recode -recodememory=24M - (NULL) Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 SHORT_READ Timing encode: 0.538831 encode process exit: 0.538909 test_suite/timing_driver.cc:399: ret > 0filetype of file "-" is unknown4096 bytes needed to decompress this file UNSUPPORTED_JPEG

FAIL: test_suite/test_phone_outdoor

Loading 2670607 ./lepton -hugepages -decode -recodememory=24M - (NULL) ./lepton -hugepages -recode -recodememory=24M - (NULL) Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 SHORT_READ Timing encode: 0.510263 encode process exit: 0.510344 test_suite/timing_driver.cc:399: ret > 0filetype of file "-" is unknown4096 bytes needed to decompress this file UNSUPPORTED_JPEG

FAIL: test_suite/test_truncate

Loading 4194304 ./lepton -hugepages -decode -recodememory=24M - (NULL) ./lepton -hugepages -recode -recodememory=24M - (NULL) Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 SHORT_READ Timing encode: 0.626987 encode process exit: 0.627035 test_suite/timing_driver.cc:399: ret > 0filetype of file "-" is unknown4096 bytes needed to decompress this file UNSUPPORTED_JPEG

FAIL: test_suite/test_android_lowmem

Loading 129432 ./lepton -hugepages -decode -singlethread -threadmemory=0M -recodememory=24M - (NULL) ./lepton -hugepages -recode -singlethread -memory=18M -threadmemory=0M -recodememory=24M - (NULL) Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 SHORT_READ Timing encode: 0.308864 encode process exit: 0.308906 test_suite/timing_driver.cc:399: ret > 0filetype of file "-" is unknown4096 bytes needed to decompress this file UNSUPPORTED_JPEG

FAIL: test_suite/test_SLR

Loading 3164341 ./lepton -hugepages -decode -memory=256M -recodememory=24M - (NULL) ./lepton -hugepages -recode -memory=256M -recodememory=24M - (NULL) Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 SHORT_READ Timing encode: 0.671253 encode process exit: 0.671327 test_suite/timing_driver.cc:399: ret > 0filetype of file "-" is unknown4096 bytes needed to decompress this file UNSUPPORTED_JPEG

FAIL: test_suite/test_progressive

Loading 101316 ./lepton -hugepages -decode -allowprogressive -recodememory=24M - (NULL) ./lepton -hugepages -recode -allowprogressive -recodememory=24M - (NULL) Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 SHORT_READ Timing encode: 0.312892 encode process exit: 0.312958 test_suite/timing_driver.cc:399: ret > 0filetype of file "-" is unknown4096 bytes needed to decompress this file UNSUPPORTED_JPEG

FAIL: test_suite/test_hq

Loading 23658057 ./lepton -hugepages -decode -memory=360M -threadmemory=24M -recodememory=87M - (NULL) ./lepton -hugepages -recode -memory=360M -threadmemory=24M -recodememory=87M - (NULL) Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 SHORT_READ Timing encode: 2.087437 encode process exit: 2.087552 test_suite/timing_driver.cc:399: ret > 0filetype of file "-" is unknown4096 bytes needed to decompress this file UNSUPPORTED_JPEG

FAIL: test_suite/forktester.py

SHORT_READ filetype of file "-" is unknown4096 bytes needed to decompress this file UNSUPPORTED_JPEG ('written ', <open file '/tmp/2419496692-a67c-9e28-b2c6ab447028-7e.iport', mode 'wb' at 0x2ac06e516db0>) closed (2236391, 0) ('written ', <open file '/tmp/9b9941ab37-5141-a304-78f4174bc601-b4.iport', mode 'wb' at 0x2ac06e516ed0>) ('xclosed ', <closed file '/tmp/9b9941ab37-5141-a304-78f4174bc601-b4.iport', mode 'wb' at 0x2ac06e516ed0>) Traceback (most recent call last): File "./test_suite/forktester.py", line 57, in assert (ojpg == jpg) AssertionError filetype of file "-" is unknown4096 bytes needed to decompress this file filetype of file filetype of fifiletype of file "-" is unknownfiletype of file "-" is unknown4096 bytes needed to decompress this file UNSUPPORTED_JPEGUNSUPPORTED_JPEGU4096 bytes need UNSUPPORTED_JPEG4096 bytes needed to decompress this file UNSUPPORTED_JPEG EARLY_EXIT

FAIL: test_suite/sockettester.py

SHORT_READ Child 17404 exited with signal 4 filetype of file "-" is unknown4096 bytes needed to decompress this file UNSUPPORTED_JPEG Child 17417 exited with code 42 ('encode time ', 0.4703710079193115) (2236391, 0) 0 2236391 Traceback (most recent call last): File "./test_suite/sockettester.py", line 134, in test_compression('./lepton') File "./test_suite/sockettester.py", line 109, in test_compression assert (ojpg == jpg) AssertionError

FAIL: src/lepton/test_custom_table.sh

Using default file ./src/lepton/../../images/androidprogressive.jpg lepton v1.0-1.2.1-37-g7e9ef87 Illegal instruction (core dumped) SHORT_READ lepton v1.0-1.2.1-37-g7e9ef87 Illegal in lepton v1.0-1.2.1-37-g7e9ef87 filetype of file "-" is unknown4096 bytes needed to decompress this file UNSUPPORTED_JPEG d41d8cd98f00b204e9800998ecf8427e /tmp/temp.qqEG71 7fa3cb503d17534e7658ee8da9145f8d ./src/lepton/../../images/androidprogressive.jpg Files /tmp/temp.qqEG71 and ./src/lepton/../../images/androidprogressive.jpg differ compression_model /tmp/temp.eM2yDB test_model /tmp/temp.d6byWD compressed_lepton /tmp/temp.jDzMfV roundtrip /tmp/temp.qqEG71

FAIL: test_suite/test_baseline_unjailed

Inject failure level is 1 so is it encode args? 1 or decode_args? 0 ./lepton -hugepages -decode -injectsyscall=1 -singlethread -unjailed -recodememory=24M - (NULL) ./lepton -hugepages -recode -singlethread -unjailed -recodememory=24M - (NULL) Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 START ACHIEVED 1484780945 425095 SHORT_READ Timing encode: 0.279521 encode process exit: 0.279598 test_suite/timing_driver.cc:399: ret > 0filetype of file "-" is unknownTS_MAIN (0) 0.000000 TS_DONE (0) 0.664786 4096 bytes needed to decompress this file UNSUPPORTED_JPEG

FAIL: test_suite/test_baseline_unjailed_thread

Inject failure level is 2 so is it encode args? 1 or decode_args? 0 ./lepton -hugepages -decode -injectsyscall=2 -singlethread -unjailed -recodememory=24M - (NULL) ./lepton -hugepages -recode -singlethread -unjailed -recodememory=24M - (NULL) Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 START ACHIEVED 1484780946 120528 SHORT_READ Timing encode: 0.298649 encode process exit: 0.298724 test_suite/timing_driver.cc:399: ret > 0filetype of file "-" is unknownTS_MAIN (0) 0.000000 TS_DONE (0) 0.682726 4096 bytes needed to decompress this file UNSUPPORTED_JPEG

FAIL: test_suite/test_baseline_unjailed_decode

Inject failure level is 3 so is it encode args? 0 or decode_args? 1 ./lepton -hugepages -decode -singlethread -unjailed -recodememory=24M - (NULL) ./lepton -hugepages -recode -injectsyscall=1 -singlethread -unjailed -recodememory=24M - (NULL) Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 START ACHIEVED 1484780946 835131 SHORT_READ Timing encode: 0.286378 encode process exit: 0.286408 test_suite/timing_driver.cc:399: ret > 0filetype of file "-" is unknownTS_MAIN (0) 0.000000 TS_DONE (0) 0.664060 4096 bytes needed to decompress this file UNSUPPORTED_JPEG

FAIL: test_suite/test_baseline_unjailed_decode_thread

Inject failure level is 4 so is it encode args? 0 or decode_args? 1 ./lepton -hugepages -decode -singlethread -unjailed -recodememory=24M - (NULL) ./lepton -hugepages -recode -injectsyscall=2 -singlethread -unjailed -recodememory=24M - (NULL) Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 START ACHIEVED 1484780947 703075 SHORT_READ Timing encode: 0.288978 encode process exit: 0.289053 test_suite/timing_driver.cc:399: ret > 0filetype of file "-" is unknownTS_MAIN (0) 0.000000 TS_THREAD_STARTED (0) 0.001297 TS_DONE (0) 0.680743 4096 bytes needed to decompress this file UNSUPPORTED_JPEG

FAIL: test_suite/test_seccomp_decode_main

Inject failure level is 3 so is it encode args? 0 or decode_args? 1 ./lepton -hugepages -decode -singlethread -recodememory=24M - (NULL) ./lepton -hugepages -recode -injectsyscall=1 -singlethread -recodememory=24M - (NULL) Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 SHORT_READ Timing encode: 0.281846 encode process exit: 0.281902 test_suite/timing_driver.cc:399: ret > 0filetype of file "-" is unknown

FAIL: test_suite/test_seccomp_decode_thread

Inject failure level is 4 so is it encode args? 0 or decode_args? 1 ./lepton -hugepages -decode -singlethread -recodememory=24M - (NULL) ./lepton -hugepages -recode -injectsyscall=2 -singlethread -recodememory=24M - (NULL) Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 SHORT_READ Timing encode: 0.269800 encode process exit: 0.269875 test_suite/timing_driver.cc:399: ret > 0

FAIL: test_suite/test_truncate_lowmem

Loading 4194304 ./lepton -hugepages -decode -singlethread -threadmemory=0M -recodememory=24M - (NULL) ./lepton -hugepages -recode -singlethread -memory=18M -threadmemory=0M -recodememory=24M - (NULL) Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 SHORT_READ Timing encode: 0.581869 encode process exit: 0.581946 test_suite/timing_driver.cc:399: ret > 0filetype of file "-" is unknown4096 bytes needed to decompress this file UNSUPPORTED_JPEG

FAIL: test_suite/test_nofsync

Loading 5649 ./lepton -hugepages -recode -recodememory=24M - (NULL) Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 SHORT_READ Timing encode: 0.286963 encode process exit: 0.287045 test_suite/timing_driver.cc:399: ret > 0filetype of file "-" is unknown4096 bytes needed to decompress this file UNSUPPORTED_JPEG

FAIL: test_suite/test_colorswap

Loading 308 ./lepton -hugepages -decode -recodememory=24M - (NULL) ./lepton -hugepages -recode -recodememory=24M - (NULL) Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 SHORT_READ Timing encode: 0.283509 encode process exit: 0.283556 test_suite/timing_driver.cc:399: ret > 0filetype of file "-" is unknown4096 bytes needed to decompress this file UNSUPPORTED_JPEG

FAIL: test_suite/test_odd_rst

Loading 35243 ./lepton -hugepages -decode -recodememory=24M - (NULL) ./lepton -hugepages -recode -recodememory=24M - (NULL) Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 SHORT_READ Timing encode: 0.277855 encode process exit: 0.277901 test_suite/timing_driver.cc:399: ret > 0filetype of file "-" is unknown4096 bytes needed to decompress this file UNSUPPORTED_JPEG

FAIL: test_suite/test_trailing_header

Loading 96104 ./lepton -hugepages -decode -recodememory=24M - (NULL) ./lepton -hugepages -recode -recodememory=24M - (NULL) Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 SHORT_READ Timing encode: 0.292008 encode process exit: 0.292064 test_suite/timing_driver.cc:399: ret > 0filetype of file "-" is unknown4096 bytes needed to decompress this file UNSUPPORTED_JPEG

FAIL: test_suite/test_trailing_rst

Loading 57524 ./lepton -hugepages -decode -recodememory=24M - (NULL) ./lepton -hugepages -recode -recodememory=24M - (NULL) Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 SHORT_READ Timing encode: 0.291617 encode process exit: 0.291650 test_suite/timing_driver.cc:399: ret > 0filetype of file "-" is unknown4096 bytes needed to decompress this file UNSUPPORTED_JPEG

FAIL: test_suite/test_legacy.sh

lepton v1.0-1.2.1-37-g7e9ef87 Illegal instruction (core dumped)

FAIL: test_suite/test_gray2sf

Loading 100309 ./lepton -hugepages -decode -recodememory=24M - (NULL) ./lepton -hugepages -recode -recodememory=24M - (NULL) Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 Huge pages unsupported: falling back to ordinary pages lepton v1.0-1.2.1-37-g7e9ef87 SHORT_READ Timing encode: 0.301796 encode process exit: 0.301879 test_suite/timing_driver.cc:399: ret > 0filetype of file "-" is unknown4096 bytes needed to decompress this file UNSUPPORTED_JPEG

FAIL: test_suite/test_2nd_block.sh

lepton v1.0-1.2.1-37-g7e9ef87 lepton v1.0-1.2.1-37-g7e9ef87 Illegal in filetype of file "-" is unknown4096 bytes needed to decompress this file UNSUPPORTED_JPEG

FAIL: test_suite/test_3rd_block.sh

lepton v1.0-1.2.1-37-g7e9ef87 lepton v1.0-1.2.1-37-g7e9ef87 SHORT_READ filetype of file "-" is unknown4096 bytes needed to decompress this file UNSUPPORTED_JPEG

FAIL: test_suite/test_last_block.sh