I activated the debug output which gives the following results:
meadow --MonoEnable
Opening port '/dev/ttyACM0'
Trace: [ 1.164000] up_stackdump: c022fc80: 00000000 2003ab80 c022fc90 0811341d 00000000 0000005f c022fcb0 08101bcb
Trace: [ 1.164000] up_stackdump: c022fca0: c018cb10 c006373d 00000000 080002f9 00000000 00000067 c0063759 c022fcc0
Trace: [ 1.165000] up_stackdump: c022fcc0: 00000004 00000000 c022fcd0 080161f5 00000004 c0063737 c018cb10 c0063707
ID: Meadow by Wilderness Labs, Model: F7Micro, MeadowOS Version: 0.4.2 (Dec 8 2020 10:09:54), Processor: STM32F777IIK6, Processor Id: 23-00-40-00-0f-51-37-32-35-34-36-32,Serial Number: 327634623237, CoProcessor: ESP32, CoProcessor OS Version: 0.4.2.0
Trace: [ 135.666000] (Debug) comms/hcom_host_parse.c@127-15 bytes added to cir buf
Trace: [ 135.666000] (Debug) comms/hcom_host_parse.c@228-Non-data seq:0, len:12
Trace: [ 135.667000] (Debug) -->Received non-data cmd. 0 bytes in header. RqstType:0x0112
Data: Mono has been enabled. Restarting F7 Micro
Trace: [ 0.082000] hcom_nx/create_fs/hcom_nx_fs.c@233-Mounted partition 0 as '/dev/little0p0' to '/meadow0' for type 'littlefs'
Data: Meadow successfully started MONO
Data: Mono enabled, will run app.exe
Trace: [ 0.083000] F/S creation complete
Trace: [ 0.083000] +hcom_nx_upd_initialize
Trace: [ 0.084000] (Debug) inicfg/meadow_inicfg.c@304-Config file:/meadow0/meadow.cfg could not be opened
Trace: [ 0.084000] (Error) inicfg/meadow_inicfg.c@164-'Config file:/meadow0/meadow.cfg could not be opened'-file:(null), section:startup, key:tracelevel, errno:2
Trace: [ 0.086000] (Debug) inicfg/meadow_inicfg.c@304-Config file:/meadow0/meadow.cfg could not be opened
Trace: [ 0.086000] (Error) inicfg/meadow_inicfg.c@136-'Config file:/meadow0/meadow.cfg could not be opened'-file:(null), section:startup, key:monorun, errno:2
Trace: [ 0.087000] (Note) Meadow 0.4.2 (Dec 8 2020@10:09:51) rebooted, Mono:Enabled, Trace level:0xff, to:Host, type:ramlog
Trace: [ 0.088000] (Debug) inicfg/meadow_inicfg.c@304-Config file:/meadow0/meadow.cfg could not be opened
Trace: [ 0.088000] (Error) inicfg/meadow_inicfg.c@136-'Config file:/meadow0/meadow.cfg could not be opened'-file:(null), section:startup, key:uart1, errno:2
Trace: [ 0.091000] (Debug) comms/hcom_host_receive.c@243-usb open read /dev/ttyACM0
Trace: [ 0.093000] (Debug) inicfg/meadow_inicfg.c@304-Config file:/meadow0/meadow.cfg could not be opened
Trace: [ 0.093000] (Error) inicfg/meadow_inicfg.c@136-'Config file:/meadow0/meadow.cfg could not be opened'-file:(null), section:startup, key:monorun, errno:2
Trace: [ 0.099000] (Debug) inicfg/meadow_inicfg.c@304-Config file:/meadow0/meadow.cfg could not be opened
Trace: [ 0.099000] (Error) inicfg/meadow_inicfg.c@164-'Config file:/meadow0/meadow.cfg could not be opened'-file:(null), section:startup, key:ResetEsp32AtStartup, errno:2
Trace: [ 0.100000] espcp/espcp_thread.c@154 Waiting for ESP initialisation to complete.
Trace: [ 0.102000] (Note) mono/hcom_mono_control.c@161-Attempting to start mono
Trace: [ 0.102000] (Info) mono/hcom_mono_control.c@175-MONO launched [pid:8, pri:100, stack size:65536]
Trace: [ 0.260000] espcp/espcp_thread.c@156 ESP interface initialisation complete.
Trace: [ 0.561000] (Info) nx_rqsts/hcom_via_nx_access.c@99-SUCCESS /dev/nxupd opened
Trace: [ 0.562000] (Note) mono/hcom_mono_control.c@423-Mono has succesfully started
Trace: [ 0.594000] (Debug) comms/hcom_host_receive.c@268-/dev/ttyACM0 ready for host comms
Trace: [ 0.595000] (Debug) inicfg/meadow_inicfg.c@304-Config file:/meadow0/meadow.cfg could not be opened
Trace: [ 0.595000] (Error) inicfg/meadow_inicfg.c@136-'Config file:/meadow0/meadow.cfg could not be opened'-file:(null), section:startup, key:monorun, errno:2
Trace: [ 0.609000] (Debug) comms/hcom_host_receive.c@279-Waiting for '/dev/ttyACM0' message
App: Runtime critical type System.Object not found
Trace: [ 1.169000] (Debug) mono/hcom_stdout_redirect.c@273-Read 46 bytes from fifo
Trace: [ 1.170000] up_assert: Assertion failed at file:pthread/pthread_exit.c line: 85 task: mono
Trace: [ 1.175000] up_registerdump: R0: 00000001 200209f0 0000004f 00000000 c018cb10 c006373d 00000000 c022fc10
Trace: [ 1.180000] up_registerdump: R8: c022ff44 00000000 00000002 165129ff 00000000 c022fbf0 081005e9 08100e0c
Trace: [ 1.186000] up_registerdump: xPSR: 61000000 BASEPRI: 000000f0 CONTROL: 00000000
Trace: [ 1.190000] up_registerdump: EXC_RETURN: fffffff9
Trace: [ 1.193000] up_dumpstate: sp: c022fc28
Trace: [ 1.195000] up_dumpstate: stack base: c0230018
Trace: [ 1.198000] up_dumpstate: stack size: 0000ffec
Trace: [ 1.200000] up_stackdump: c022fc20: c022fc28 c018cb10 c006373d 00000000 c022fc38 08100783 c022fc28 2003ae70
Trace: [ 1.206000] up_stackdump: c022fc40: 0000ffec c0230018 c022fc58 08100867 00000055 2003b08c 00000055 08144fe4
Trace: [ 1.211000] up_stackdump: c022fc60: c01027ee 2003ae70 c022fc70 08136285 c022fc78 00000000 c01027ee 2007fb1c
Trace: [ 1.217000] up_stackdump: c022fc80: 00000000 2003ae70 c022fc90 0811341d 00000000 0000005f c022fcb0 08101bcb
Trace: [ 1.223000] up_stackdump: c022fca0: c018cb10 c006373d 00000000 080002f9 00000000 00000067 c0063759 c022fcc0
Trace: [ 1.229000] up_stackdump: c022fcc0: 00000004 00000000 c022fcd0 080161f5 00000004 c0063737 c018cb10 c0063707
Trace: [ 1.234000] up_stackdump: c022fce0: 00000000 c0278020 c011b444 c00f8495 c010974e 00000000 c0278ec0 c0063843
Trace: [ 1.240000] up_stackdump: c022fd00: c022fd1c c006385b 00000000 c022fd1c c011b444 c0079d09 c011b444 c00f8495
Trace: [ 1.246000] up_stackdump: c022fd20: c010974e 00080838 c022fd30 08001a19 00000000 20030800 c0230f58 00000000
Trace: [ 1.251000] up_stackdump: c022fd40: c0230fa8 c0230f98 c022fd50 080018c5 c0136216 c0230fa0 c0278ec0 c018f318
Trace: [ 1.257000] up_stackdump: c022fd60: c018cf80 c006e22b 08113aa9 080092e7 000092c0 00000000 00000000 c022fdac
Trace: [ 1.263000] up_stackdump: c022fd80: 00000002 00000028 00000002 c022fd90 00000000 00000000 c022fdac 00000002
Trace: [ 1.269000] up_stackdump: c022fda0: c018b698 c0190844 00000002 00000001 c022ff44 c00245fd 00000000 20030800
Trace: [ 1.274000] up_stackdump: c022fdc0: 00000000 00000000 c022fdd0 08113929 00000000 20030800 00000000 00000000
Trace: [ 1.280000] up_stackdump: c022fde0: 08113917 08000a71 c0023d59 c0023d5d c0025a21 c0025a19 c0023615 c00236f1
Trace: [ 1.286000] up_stackdump: c022fe00: c00236f5 c00339db c004909d c003f66f c0023759 c00281e5 c00281c1 c0035741
Trace: [ 1.291000] up_stackdump: c022fe20: c0035839 c0026225 00000000 c0035a25 00000000 c002ef15 c003f1a1 c002436d
Trace: [ 1.297000] up_stackdump: c022fe40: 00000008 00000000 00000002 00000000 00000004 c0022e5b 000000f0 f0000037
Trace: [ 1.303000] up_stackdump: c022fe60: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000001
Trace: [ 1.308000] up_stackdump: c022fe80: 00000000 00000000 c022ff18 00000003 00000000 00000000 08113917 08000a71
Trace: [ 1.314000] up_stackdump: c022fea0: 08000a50 81000000 20030964 00000019 00000041 c022feb8 08001119 20030964
Trace: [ 1.320000] up_stackdump: c022fec0: c022fed0 0800111f 000001f4 0800355b 0800353a 00000005 c022fef0 00000041
Trace: [ 1.325000] up_stackdump: c022fee0: 00000102 c022ff00 08004689 c022ff54 080090bc 00000000 c022ff10 00000000
Trace: [ 1.331000] up_stackdump: c022ff00: 00000000 00000000 00000000 08008523 c022ffa4 00000000 08008ff8 08009000
Trace: [ 1.337000] up_stackdump: c022ff20: c022ff44 00000000 fffffffd 10606080 a0c01010 40005030 08008ff8 08009000
Trace: [ 1.343000] up_stackdump: c022ff40: c022ff44 61656d2f 30776f64 7070412f 6578652e e0506000 00000000 00000003
Trace: [ 1.348000] up_stackdump: c022ff60: 00000003 ddccbbaa 00000000 00000002 00000000 00000000 c022ff88 0800499b
Trace: [ 1.354000] up_stackdump: c022ff80: a0700020 901000d0 c023001c 00000001 70001000 00800000 d0f0f0d0 d02065b8
Trace: [ 1.360000] up_stackdump: c022ffa0: 00200000 00004000 d000c0a8 00000000 c022ffb8 08000323 c023001c c023001c
Trace: [ 1.365000] up_stackdump: c022ffc0: 00000001 08004939 c022ffd0 0811a4e3 c023001c 00000001 08004939 00000004
Trace: [ 1.371000] up_stackdump: c022ffe0: 80d0a040 c022ffe8 30103000 c023001c 00000001 08004939 c0230000 0810ea47
Trace: [ 1.377000] up_stackdump: c0230000: 00000000 00000000 2003ae70 00000001 00000000 00000000 000080b0 c0230024
Trace: [ 135.740000] (Debug) comms/hcom_host_parse.c@127-15 bytes added to cir buf
Trace: [ 135.741000] (Debug) comms/hcom_host_parse.c@228-Non-data seq:0, len:12
Trace: [ 135.741000] (Debug) -->Received non-data cmd. 0 bytes in header. RqstType:0x0110
Is this error normal?
Trace: [ 0.088000] (Error) inicfg/meadow_inicfg.c@136-‘Config file:/meadow0/meadow.cfg could not be opened’-file:(null), section:startup, key:uart1, errno:2