ESP32-S2 read_flash fails on linux (ESPTOOL-590) #823
Description
Operating System
Ubuntu 22.04.1 LTS
Esptool Version
3.0 - 4.4
Python Version
Python 3.10.6
Chip Description
ESP32-S2FH4 (revision v0.0) / ESP32-S2FNR2 (revision v0.0)
Device Description
ESP32-S2 mini
Hardware Configuration
no
How is Esptool Run
shell
Full Esptool Command Line that Was Run
esptool.py read_flash 0 0x400000 /tmp/foo.bin
Esptool Output
stall while reading flash at a certain page
running with --no-stub works till 0x200000 then it hangs.
reading from > 0x200000 with --no-stub returns:
A fatal error occurred: Failed to read flash block (result was 01090000: CRC or checksum was invalid)
when running in normal mode it goes like this:
esptool.foo.py read_flash 0 0x400000 /tmp/foo.bin
esptool.py v4.4
Found 1 serial ports
Serial port /dev/ttyACM0
Connecting...
Detecting chip type... Unsupported detection protocol, switching and trying again...
Detecting chip type... ESP32-S2
Chip is ESP32-S2FNR2 (revision v0.0)
Features: WiFi, Embedded Flash 4MB, Embedded PSRAM 2MB, ADC and temperature sensor calibration in BLK2 of efuse V1
Crystal is 40MHz
MAC: 84:f7:03:eb:86:80
Uploading stub...
Running stub...
Stub running...
933888 (22 %)
stalled, hangs right there, wont continue.
--
after posting on the adafruit circuitpython forums i was sent to a similar bug report here:
https://github.com/espressif/esptool/issues/658
this seems to be the same bug.
the weirdest thing:
if i run it on a mac with OSX, it works.
i can read0->0x400000 with no errors.More Information
i tried different things.
flash_erase -> read -> works retuns 4 MB of 0xff as expected
installing tinyuf2-lolin_s2_mini-0.11.0 with write_flash works, starts up, opens its volume..
after that i can read back all data from 0->0x400000 without error including the tinyuf2 bootloader
than i installed circuitpython-8.0-beta6 (but this doesnt really matter)
the led flashed as the flash is written, reboot -> works as expected.
but now i cant dump the flash anymore.
it hangs at 933888
manually i can read till 937984 after that the read hangs a random locations.
937984 - 933888 = 4095
is this a pagesize?
Other Steps to Reproduce
see "more information" for steps o reproduce
I Have Read the Troubleshooting Guide
- I confirm I have read the troubleshooting guide.