esptool won't flash after failed upload (ESPTOOL-718)

i-e-b commented 1 year ago

Operating System

Xubuntu 22.04.2 LTS

Esptool Version

v5.2-dev-1890-g28167ea5a3

Python Version

Python 3.10.6

Chip Description

ESP32-WROVER-E

Device Description

Lilygo T-SIM A7670E development board

Hardware Configuration

Serial RX/TX connected only via USB/RS232 bridge. No on-board USB used. Power is from a bench-top power supply.

How is Esptool Run

via Terminal (bash) and CLion

Full Esptool Command Line that Was Run

esptool.py -c esp32 -p /dev/ttyUSB0 -b 115200 --before=default_reset --after=hard_reset write_flash --flash_mode dio --flash_freq 40m --flash_size 4MB 0x1000 build/bootloader/bootloader.bin 0x10000 build/LilygoEspIdf.bin 0x8000 build/partition_table/partition-table.bin

Esptool Output

Variants of A fatal error occurred: Invalid head of packet (0x01): Possible serial noise or corruption. and esptool.util.UnsupportedCommandError: Invalid (unsupported) command 0x5

More Information

The setup has been working for a few days. I had one upload fail (possibly causing the issue, possibly triggered by underlying issue)

Now, if I connect via serial monitor, I get a very clean signal. The module repeats this on a normal boot:

rst:0x10 (RTCWDT_RTC_RESET),boot:0x12 (SPI_FAST_FLASH_BOOT)
invalid header: 0xffffffff
invalid header: 0xffffffff
invalid header: 0xffffffff
invalid header: 0xffffffff
invalid header: 0xffffffff
invalid header: 0xffffffff
invalid header: 0xffffffff
ets Jul 29 2019 12:21:46

If I boot with GPIO0, I get

rst:0x10 (RTCWDT_RTC_RESET),boot:0x2 (DOWNLOAD_BOOT(UART0/UART1/SDIO_REI_FEO_V2))
waiting for download
ets Jul 29 2019 12:21:46

All serial very clean.

Running an upload with trace:

TRACE +0.000 command op=0x0a data len=4 wait_response=1 timeout=3.000 data=00100040
TRACE +0.000 Write 14 bytes: c0000a04000000000000100040c0
TRACE +0.000 Received full packet: 010804000712205501050000
Chip is ESP32 in Secure Download Mode
WARNING: Stub loader is not supported in Secure Download Mode, setting --no-stub
Enabling default SPI flash mode...
TRACE +0.000 command op=0x0d data len=8 wait_response=1 timeout=3.000 data=0000000000000000
TRACE +0.000 Write 18 bytes: 
    c0000d0800000000 0000000000000000 | ................
    00c0                              | ..
TRACE +0.000 Read 36 bytes: 
    01050000c0c00108 0400071220550105 | ............ U..
    0000c0c001080400 0712205501050000 | .......... U....
    c0c00118                          | ....
TRACE +0.000 Read invalid data: 
    01050000c0c00108 0400071220550105 | ............ U..
    0000c0c001080400 0712205501050000 | .......... U....
    c0c00118                          | ....
TRACE +0.000 Remaining data in serial buffer: 

A fatal error occurred: Invalid head of packet (0x01): Possible serial noise or corruption.

Other Steps to Reproduce

No response

I Have Read the Troubleshooting Guide

[X] I confirm I have read the troubleshooting guide.

i-e-b commented 1 year ago

Full trace of one of the Invalid (unsupported) command 0x5 runs:

$ esptool.py --trace -c esp32 -p /dev/ttyUSB0 -b 115200 --before=default_reset --after=hard_reset write_flash --flash_mode dio --flash_freq 40m --flash_size 4MB 0x1000 build/bootloader/bootloader.bin 0x10000 build/LilygoEspIdf.bin 0x8000 build/partition_table/partition-table.bin
esptool.py v4.6.2
Serial port /dev/ttyUSB0
Connecting...TRACE +0.000 command op=0x08 data len=36 wait_response=1 timeout=0.100 data=
    0707122055555555 5555555555555555 | ... UUUUUUUUUUUU
    5555555555555555 5555555555555555 | UUUUUUUUUUUUUUUU
    55555555                          | UUUU
TRACE +0.000 Write 46 bytes: 
    c000082400000000 0007071220555555 | ...$........ UUU
    5555555555555555 5555555555555555 | UUUUUUUUUUUUUUUU
    5555555555555555 5555555555c0     | UUUUUUUUUUUUU.
TRACE +0.100 No serial data received.
.TRACE +0.051 command op=0x08 data len=36 wait_response=1 timeout=0.100 data=
    0707122055555555 5555555555555555 | ... UUUUUUUUUUUU
    5555555555555555 5555555555555555 | UUUUUUUUUUUUUUUU
    55555555                          | UUUU
TRACE +0.000 Write 46 bytes: 
    c000082400000000 0007071220555555 | ...$........ UUU
    5555555555555555 5555555555555555 | UUUUUUUUUUUUUUUU
    5555555555555555 5555555555c0     | UUUUUUUUUUUUU.
TRACE +0.100 No serial data received.
.TRACE +0.051 command op=0x08 data len=36 wait_response=1 timeout=0.100 data=
    0707122055555555 5555555555555555 | ... UUUUUUUUUUUU
    5555555555555555 5555555555555555 | UUUUUUUUUUUUUUUU
    55555555                          | UUUU
TRACE +0.000 Write 46 bytes: 
    c000082400000000 0007071220555555 | ...$........ UUU
    5555555555555555 5555555555555555 | UUUUUUUUUUUUUUUU
    5555555555555555 5555555555c0     | UUUUUUUUUUUUU.
TRACE +0.100 No serial data received.
.TRACE +0.050 command op=0x08 data len=36 wait_response=1 timeout=0.100 data=
    0707122055555555 5555555555555555 | ... UUUUUUUUUUUU
    5555555555555555 5555555555555555 | UUUUUUUUUUUUUUUU
    55555555                          | UUUU
TRACE +0.000 Write 46 bytes: 
    c000082400000000 0007071220555555 | ...$........ UUU
    5555555555555555 5555555555555555 | UUUUUUUUUUUUUUUU
    5555555555555555 5555555555c0     | UUUUUUUUUUUUU.
TRACE +0.025 Read 1 bytes: c0
TRACE +0.000 Read 111 bytes: 
    0108040007122055 00000000c0c00108 | ...... U........
    0400071220550000 0000c0c001080400 | .... U..........
    0712205500000000 c0c0010804000712 | .. U............
    205500000000c0c0 0108040007122055 |  U............ U
    00000000c0c00108 0400071220550000 | ............ U..
    0000c0c001080400 0712205500000000 | .......... U....
    c0c0010804000712 205500000000c0   | ........ U.....
TRACE +0.000 Received full packet: 010804000712205500000000
TRACE +0.000 Received full packet: 010804000712205500000000
TRACE +0.000 Received full packet: 010804000712205500000000
TRACE +0.000 Received full packet: 010804000712205500000000
TRACE +0.000 Received full packet: 010804000712205500000000
TRACE +0.000 Received full packet: 010804000712205500000000
TRACE +0.000 Received full packet: 010804000712205500000000
TRACE +0.000 Received full packet: 010804000712205500000000

TRACE +0.000 command op=0x0a data len=4 wait_response=1 timeout=3.000 data=00100040
TRACE +0.000 Write 14 bytes: c0000a04000000000000100040c0
TRACE +0.015 Read 1 bytes: c0
TRACE +0.000 Read 13 bytes: 010a0400831df00000000000c0
TRACE +0.000 Received full packet: 010a0400831df00000000000
TRACE +0.000 command op=0x0a data len=4 wait_response=1 timeout=3.000 data=0ca0f53f
TRACE +0.000 Write 14 bytes: c0000a0400000000000ca0f53fc0
TRACE +0.015 Read 1 bytes: c0
TRACE +0.000 Read 13 bytes: 010a040000a2000000000000c0
TRACE +0.000 Received full packet: 010a040000a2000000000000
TRACE +0.000 command op=0x0a data len=4 wait_response=1 timeout=3.000 data=0ca0f53f
TRACE +0.000 Write 14 bytes: c0000a0400000000000ca0f53fc0
TRACE +0.016 Read 1 bytes: c0
TRACE +0.000 Read 13 bytes: 010a040000a2000000000000c0
TRACE +0.000 Received full packet: 010a040000a2000000000000
TRACE +0.000 command op=0x0a data len=4 wait_response=1 timeout=3.000 data=14a0f53f
TRACE +0.000 Write 14 bytes: c0000a04000000000014a0f53fc0
TRACE +0.016 Read 1 bytes: c0
TRACE +0.000 Read 13 bytes: 010a04000000100000000000c0
TRACE +0.000 Received full packet: 010a04000000100000000000
TRACE +0.000 command op=0x0a data len=4 wait_response=1 timeout=3.000 data=7c60f63f
TRACE +0.000 Write 14 bytes: c0000a0400000000007c60f63fc0
TRACE +0.015 Read 1 bytes: c0
TRACE +0.000 Read 13 bytes: 010a04000020049600000000c0
TRACE +0.000 Received full packet: 010a04000020049600000000
TRACE +0.000 command op=0x0a data len=4 wait_response=1 timeout=3.000 data=14a0f53f
TRACE +0.000 Write 14 bytes: c0000a04000000000014a0f53fc0
TRACE +0.016 Read 1 bytes: c0
TRACE +0.000 Read 13 bytes: 010a04000000100000000000c0
TRACE +0.000 Received full packet: 010a04000000100000000000
TRACE +0.000 command op=0x0a data len=4 wait_response=1 timeout=3.000 data=0ca0f53f
TRACE +0.000 Write 14 bytes: c0000a0400000000000ca0f53fc0
TRACE +0.016 Read 1 bytes: c0
TRACE +0.000 Read 13 bytes: 010a040000a2000000000000c0
TRACE +0.000 Received full packet: 010a040000a2000000000000
Chip is ESP32-D0WD-V3 (revision v3.0)
TRACE +0.000 command op=0x0a data len=4 wait_response=1 timeout=3.000 data=0ca0f53f
TRACE +0.000 Write 14 bytes: c0000a0400000000000ca0f53fc0
TRACE +0.015 Read 1 bytes: c0
TRACE +0.000 Read 13 bytes: 010a040000a2000000000000c0
TRACE +0.000 Received full packet: 010a040000a2000000000000
TRACE +0.000 command op=0x0a data len=4 wait_response=1 timeout=3.000 data=0ca0f53f
TRACE +0.000 Write 14 bytes: c0000a0400000000000ca0f53fc0
TRACE +0.016 Read 1 bytes: c0
TRACE +0.000 Read 13 bytes: 010a040000a2000000000000c0
TRACE +0.000 Received full packet: 010a040000a2000000000000
TRACE +0.000 command op=0x0a data len=4 wait_response=1 timeout=3.000 data=10a0f53f
TRACE +0.000 Write 14 bytes: c0000a04000000000010a0f53fc0
TRACE +0.015 Read 1 bytes: c0
TRACE +0.000 Read 13 bytes: 010a04003902000000000000c0
TRACE +0.000 Received full packet: 010a04003902000000000000
TRACE +0.000 command op=0x0a data len=4 wait_response=1 timeout=3.000 data=18a0f53f
TRACE +0.000 Write 14 bytes: c0000a04000000000018a0f53fc0
TRACE +0.015 Read 1 bytes: c0
TRACE +0.000 Read 13 bytes: 010a04000400000000000000c0
TRACE +0.000 Received full packet: 010a04000400000000000000
Features: WiFi, BT, Dual Core, 240MHz, VRef calibration in efuse, Coding Scheme None
TRACE +0.000 command op=0x0a data len=4 wait_response=1 timeout=3.000 data=1400f43f
TRACE +0.000 Write 14 bytes: c0000a0400000000001400f43fc0
TRACE +0.016 Read 1 bytes: c0
TRACE +0.000 Read 13 bytes: 010a04005c01800000000000c0
TRACE +0.000 Received full packet: 010a04005c01800000000000
Crystal is 40MHz
TRACE +0.000 command op=0x0a data len=4 wait_response=1 timeout=3.000 data=08a0f53f
TRACE +0.000 Write 14 bytes: c0000a04000000000008a0f53fc0
TRACE +0.016 Read 1 bytes: c0
TRACE +0.000 Read 13 bytes: 010a0400e694e30000000000c0
TRACE +0.000 Received full packet: 010a0400e694e30000000000
TRACE +0.000 command op=0x0a data len=4 wait_response=1 timeout=3.000 data=04a0f53f
TRACE +0.000 Write 14 bytes: c0000a04000000000004a0f53fc0
TRACE +0.016 Read 1 bytes: c0
TRACE +0.000 Read 13 bytes: 010a040048a3a68600000000c0
TRACE +0.000 Received full packet: 010a040048a3a68600000000
MAC: 94:e6:86:a6:a3:48
Uploading stub...
TRACE +0.001 command op=0x05 data len=16 wait_response=1 timeout=3.000 data=680d0000010000000018000000e00b40
TRACE +0.000 Write 26 bytes: 
    c000051000000000 00680d0000010000 | .........h......
    000018000000e00b 40c0             | ........@.
TRACE +0.015 Read 1 bytes: c0
TRACE +0.000 Read 13 bytes: 0105040048a3a68600000000c0
TRACE +0.000 Received full packet: 0105040048a3a68600000000
TRACE +0.001 command op=0x07 data len=3448 wait_response=1 timeout=3.000 data=
    680d000000000000 0000000000000000 | h...............
    0800f43f1c00f43f 0000f43f00c0fc3f | ...?...?...?...?
    1000f43f36410021 faffc02000380241 | ...?6A.!... .8.A
    f9ffc02000280420 20749ce206050000 | ... .(.  t......
    0041f5ff81f6ffc0 2000a8048808a0a0 | .A...... .......
    74e008000b226602 e786f4ff21f1ffc0 | t...."f.....!...
    200039021df00000 a0ebfd3f186bfd3f |  .9........?.k.?
    8480000040400000 58abfd3fa4ebfd3f | ....@@..X..?...?
    364100b1f9ff20a0 74101120a5c80096 | 6A.... .t.. ....
    1a0681f6ff92a101 9099119a98c02000 | .............. .
    b80991f3ffa0a074 9a88c02000921800 | .......t... ....
    9090f41bc9c0c0f4 c02000c258009a9b | ......... ..X...
    c02000a24900c020 0092180081eaff90 | . ..I.. ........
    90f48080f4879947 81e5ff92a1019099 | .......G........
    119a98c02000c809 a1e5ffb1e3ff879c | .... ...........
    17c601007ce8871a dec60800c0200089 | ....|........ ..
    0ac02000b9094602 00c02000b90ac020 | .. ...F... .... 
    00890991d7ff9a88 0c09c02000925800 | ........... ..X.
    1df00000f820f43f f830f43f36410091 | ..... .?.0.?6A..
    fdffc02000880980 80245648ff91faff | ... .....$VH....
    c020008809808024 5648ff1df0000000 | . .....$VH......
    1020f43f0020f43f 0000000836410010 | . .?. .?....6A..
    1120a5fcff21faff 0c08c02000826200 | . ...!..... ..b.
    91faff81f8ffc020 00926800c0200098 | ....... ..h.. ..
    085679ffc0200088 027cf28022302020 | .Vy.. ...|.."0  
    041df00000000040 364100101120e5fb | .......@6A... ..
    ff166aff81ecff91 fbffc02000926800 | ..j........ ..h.
    c0200098085679ff 1df000000c40fd3f | . ...Vy......@.?
    ffffff000420f43f 36410021fcff3842 | ..... .?6A.!..8B
    16830610112065f8 ff16fa050cf80c04 | ..... e.........
    37a80d9822809910 82a0019048834040 | 7...".......H.@@
    7410112025faff10 112025f3ff88220c | t.. %.... %...".
    1b40981190ab01cc 1480ab01b1edffb0 | .@..............
    9910b1ecffc02000 926b0091ceffc020 | ...... ..k..... 
    00a26900c02000a8 09567aff1c090c1a | ..i.. ...Vz.....
    409a839033c09a88 394289221df00000 | @...3...9B."....
    2c920040364100a2 a0c081fdffe00800 | ,..@6A..........
    1df0000036410082 a0c0ad02879211a2 | ....6A..........
    a0db81f7ffe00800 a2a0dc4604000000 | ...........F....
    0082a0db87920881 f2ffe00800a2a0dd | ................
    81f0ffe008001df0 3641003a32c60200 | ........6A.:2...
    00a202001b221011 20a5fbff3792f11d | .....".. ...7...
    f00000007cda0540 d82e06409cda0540 | ....|..@...@...@
    1cdb0540362121a2 d11081faffe00800 | ...@6!!.........
    460b0000000c1440 4411404363cd04bd | F......@D.@Cc...
    01ad0281f5ffe008 00a0a074fc5acd04 | ...........t.Z..
    10b120a2d11081f1 ffe008004a224033 | .. .........J"@3
    c05603fd22a20b10 22b020a220b2d110 | .V.."...". . ...
    81ecffe00800ad02 1c0b101120a5f7ff | ............ ...
    2d0386000022a063 1df00000fc670040 | -....".c.....g.@
    d092004008680040 36412162a107c066 | ...@.h.@6A!b...f
    111a6659062c0a62 d1100c0552661a81 | ..fY.,.b....Rf..
    f7ffe008000c1840 881147b802464500 | .......@..G..FE.
    ad0681d4ffe00800 8634000092a41d50 | .........4.....P
    73c0e099111a9940 77638909cd07bd01 | s......@wc......
    20a22081cdffe008 0092a41de099111a |  . .............
    99a0a07488098caa 0c088266167d0886 | ...t.......f.}..
    1600000092a41de0 9911109980826900 | ..............i.
    10112025eaffbd07 ad01101120a5edff | .. %........ ...
    10112025e9ffcd07 10b12060a62081bb | .. %...... `. ..
    ffe0080092a41de0 99111a9988097022 | ..............p"
    8070558037b5b092 a107c099111a9998 | .pU.7...........
    098075c097b70246 dcff86e6ff0c0882 | ..u....F........
    466ca2a41b10aaa0 81caffe00800560a | Fl............V.
    ffb2a20ba2066c10 bbb0101120a59000 | ......l..... ...
    f7ea12f6470fb2a2 0d10bbb07abba24b | ....G.......z..K
    001b7786f1ff7ceb b79ac16647088226 | ..w...|....fG..&
    1a37b80287b59c22 a20b1022b060b620 | .7....."...".`. 
    ad02819bffe00800 101120a5dfffad02 | .......... .....
    1c0b10112025e3ff 101120a5deff2c0a | .... %.... ...,.
    81b1ffe008001df0 0820f43f70e2fa3f | ......... .?p..?
    48240640f0220640 366100101120e5ca | H$.@.".@6a... ..
    ff10a12081fbffe0 08003d0a0c12fc2a | ... ......=....*
    880192a200908810 8901101120a5cfff | ............ ...
    91f2ffa0a201c020 00822900a08820c0 | ....... ..)... .
    2000826900b22100 a1edff81eeffe008 |  ..i..!.........
    00a023831df00000 ff0f000036410081 | ..#.........6A..
    3bff0c1992480030 9c41992891fbff39 | ;....H.0.A.(...9
    1829383030b49a22 2a33303c410c0229 | .)800.."*30<A..)
    58394810112025f8 ff2d0a8c1a22a0c5 | X9H.. %..-..."..
    1df00000502d0640 364100412cff5834 | ....P-.@6A.A,.X4
    5033631663045814 5a53505c41460100 | P3c.c.X.ZSP\AF..
    10112065caff8844 a61804882487a5ef | .. e...D....$...
    101120a5c2ff166a ffa814cd03bd0281 | .. ....j........
    f1ffe00800a0a074 8c4a52a0c4526405 | .......t.JR..Rd.
    58143a5559145834 3055c059341df000 | X.:UY.X40U.Y4...
    00c0fc3f4f484149 a8ebfd3f70e00b40 | ...?OHAI...?p..@
    14e00b400c00f43f 3840f43fffff0000 | ...@...?8@.?....
    8c80000010400000 acebfd3fbcebfd3f | .....@.....?...?
    04c0fc3f08c0fc3f 04ecfd3f1400f43f | ...?...?...?...?
    f0ffff00a8ebfd3f 0cc0fc3f2440fd3f | .......?...?$@.?
    7c680040ec670040 588600406c2a0640 | |h.@.g.@X..@l*.@
    38320640142c0640 cc2c06404c2c0640 | 82.@.,.@.,.@L,.@
    34850040cc900040 782e064030ef0540 | 4..@...@x..@0..@
    589200404c820040 36c10021deff0c0a | X..@L..@6..!....
    22610842a00081ee ffe0080021d9ff31 | "a.B........!..1
    daffc6000049024b 223732f810112065 | .....I.K"72... e
    c3ff0c4ba2c12010 1120e5c6ff22a101 | ...K.. .. ..."..
    10112025c2ff5191 fe9022112a2531cf | .. %..Q...".*%1.
    ffb1cfffc0200059 022178fe0c0c0c5a | ..... .Y.!x....Z
    32620081dcffe008 0031caff42a101c0 | 2b.......1..B...
    200028032c0a4022 20c0200029038131 |  .(.,.@" . .)..1
    ffe0080081d5ffe0 080021c3ffc02000 | ..........!... .
    2802ccba1cc33022 1022c2f80c1320a3 | (.....0".".... .
    830c0b81ceffe008 00f1bcff0c1dc2a0 | ................
    01b2a001e2a10040 dd1100cc1180bb01 | .......@........
    a2a00081c7ffe008 0021b5ff61c4fe2a | .........!..a..*
    5572d62bc0200028 051672ffc0200038 | Ur.+. .(..r.. .8
    050c040c12c02000 4905224110220301 | ...... .I."A."..
    0c28224111825109 49512692071c3447 | .("A..Q.IQ&...4G
    121dc60700220303 4203028022114022 | ....."..B...".@"
    206642102823c020 0028022951060100 |  fB.(#. .(.)Q...
    1c22225109101120 a5b3ff0c8ba2c110 | .""Q... ........
    10112065b7ff8203 0322030280881120 | .. e....."..... 
    88202198ff2020f4 87b21ca2a0c01011 | . !..  .........
    2025b2ffa2a0ee10 1120a5b1ff101120 |  %....... ..... 
    25b0ff46dbff0000 2203011c34273434 | %..F...."...4'44
    f6221846db000000 22c22f202074f642 | .".F...."./  t.B
    704189ff4022a028 02a0020022c2fe20 | pA..@".(....".. 
    20741c1427b40246 d2004184ff4022a0 |  t..'..F..A..@".
    2802a0020042c230 404074b654c986cc | (....B.0@@t.T...
    002c490c0422a0c0 97180286ca004951 | .,I.."........IQ
    0c72ad04101120e5 aaffad0410112065 | .r.... ....... e
    aaff101120e5a8ff 101120a5a8ff0c8b | .... ..... .....
    a2c11022c2ff1011 20e5abff5622fd46 | ...".... ...V".F
    28000c1256682e82 610f817affe00800 | (...Vh..a..z....
    88f1a0288346b500 2688050c1246b300 | ...(.F..&....F..
    0048232833208420 8080b456c8fe1011 | .H#(3 . ...V....
    2065c7ff2a449c1a c6f7ff00a0ac4181 |  e..*D........A.
    6effe00800562afd 22d2f020a4c0cc22 | n....V*.".. ..."
    06880000a080f456 18fe860400a0a0f5 | .......V........
    89f18166ffe00800 88f156dafa8022c0 | ...f......V...".
    0c1800881120a4c0 2738e10604000000 | ..... ..'8......
    a0ac41815dffe008 0056eaf822d2f020 | ..A.]....V..".. 
    a4c056a2fec67600 000c0422a0c02688 | ..V...v...."..&.
    020695000c042d04 46930026b8f50669 | ......-.F..&...i
    000c1226b802068d 00b833a8230c0410 | ...&......3.#...
    112025a2ffa02483 8688000c1966b85c | . %...$......f.\
    884320a9110c0422 a0c287ba02068600 | .C ...."........
    b853a2230292610e 10112025c1ff98e1 | .S.#..a... %....
    a09483860d000c19 66b831884320a911 | ........f.1.C ..
    0c0422a0c287ba02 467b002833b853a8 | ..".....F{.(3.S.
    2320488299e11011 2025beff2134fe0c | # H..... %..!4..
    0898e1896222d22b 4922a098832d09c6 | ....b".+I"...-..
    6e00912efe0c04a2 090022a0c6479a02 | n........."..G..
    466d00482382c8f0 22a0c08794012859 | Fm.H#...".....(Y
    0c0492a0ef460200 4aa3a20a181b44a0 | .....F..J.....D.
    99308724f2820305 4203048088114088 | .0.$....B.....@.
    2042030600441180 4420820307808801 |  B...D..D ......
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TRACE +0.327 Read 1 bytes: c0
TRACE +0.000 Read 55 bytes: 
    0107040048a3a686 00000000c0c00107 | ....H...........
    040048a3a6860105 0000c0c001070400 | ..H.............
    48a3a68601050000 c0c00107040048a3 | H.............H.
    a68601050000c0                    | .......
TRACE +0.000 Received full packet: 0107040048a3a68600000000
TRACE +0.000 command op=0x05 data len=16 wait_response=1 timeout=3.000 data=9c0000000100000000180000a8ebfd3f
TRACE +0.000 Write 26 bytes: 
    c000051000000000 009c000000010000 | ................
    0000180000a8ebfd 3fc0             | ........?.
TRACE +0.000 Received full packet: 0107040048a3a68601050000
Traceback (most recent call last):
  File "/home/iain/.espressif/python_env/idf5.2_py3.10_env/bin/esptool.py", line 37, in <module>
    esptool._main()
  File "/home/iain/.espressif/python_env/idf5.2_py3.10_env/lib/python3.10/site-packages/esptool/__init__.py", line 1073, in _main
    main()
  File "/home/iain/.espressif/python_env/idf5.2_py3.10_env/lib/python3.10/site-packages/esptool/__init__.py", line 717, in main
    esp = esp.run_stub()
  File "/home/iain/.espressif/python_env/idf5.2_py3.10_env/lib/python3.10/site-packages/esptool/loader.py", line 969, in run_stub
    self.mem_begin(length, blocks, self.ESP_RAM_BLOCK, offs)
  File "/home/iain/.espressif/python_env/idf5.2_py3.10_env/lib/python3.10/site-packages/esptool/loader.py", line 767, in mem_begin
    return self.check_command(
  File "/home/iain/.espressif/python_env/idf5.2_py3.10_env/lib/python3.10/site-packages/esptool/loader.py", line 436, in check_command
    val, data = self.command(op, data, chk, timeout=timeout)
  File "/home/iain/.espressif/python_env/idf5.2_py3.10_env/lib/python3.10/site-packages/esptool/loader.py", line 419, in command
    raise UnsupportedCommandError(self, op)
esptool.util.UnsupportedCommandError: Invalid (unsupported) command 0x5

i-e-b commented 1 year ago

Powering off the board for 10 min at a time did not help. I left the board powered down for 30 hours, and it now uploads ok. No change to any other part of the setup.

radimkarnis commented 1 year ago

Hello @i-e-b,

have your issues been solved completely, or do you still experience the glitches?

This behavior seems very weird, I haven't seen a case like this before. The chip sometimes reports as being in Secure Download Mode and sometimes not. Have you activated any of the security features like secure boot or flash encryption?? Have you burnt any eFuses?

The ESP shouldn't be possible to brick as a result of a failed flash. This, and the fact that you had to leave it unpowered for 30 hours to fix the issue makes me believe this is a hardware-related problem.

i-e-b commented 1 year ago

It seems stable at the moment.

No, I haven't set any eFuses. Have ordered a few more units to test with.

I will report back if it happens again. Will see if there are any RF noise sources in that case too.

Happy for this issue to be close for now. Thanks.

radimkarnis commented 1 year ago

Thank you!

Please do report back if issues continue. I am closing this ticket.

espressif / esptool