Partition table corrupt, try reflashing it. Possible hardware error, try reflowing? ``` rst:0x1 (POWERON_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT) flash read err, 1000 ets_main.c 371 ets Jun 8 2016 00:22:57 rst:0x10 (RTCWDT_RTC_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT) flash read err, 1000 ets_main.c 371 ets Jun 8 2016 00:22:57 rst:0x10 (RTCWDT_RTC_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT) flash read err, 1000 ets_main.c 371 ets Jun 8 2016 00:22:57 ``` Flash seems to be working, bootloader at 0x1000 is correct. Hardware issue? Different csum error each time. ``` 14:00:10.502 > rst:0x7 (TG0WDT_SYS_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT) 14:00:10.507 > configsip: 0, SPIWP:0xee 14:00:10.510 > clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00 14:00:10.515 > mode:DIO, clock div:1 14:00:10.518 > load:0x3fff0030,len:1184 14:00:10.521 > load:0x40058000,len:13132 14:00:10.524 > load:0x40000000,len:3036 14:00:10.527 > csum err:0x9f!=0x10 14:00:10.527 > ets_main.c 371 14:00:10.826 > ets Jun 8 2016 00:22:57 14:00:10.827 > 14:00:10.827 > rst:0x7 (TG0WDT_SYS_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT) 14:00:10.832 > configsip: 0, SPIWP:0xee 14:00:10.835 > clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00 14:00:10.841 > mode:DIO, clock div:1 14:00:10.844 > load:0x3fff0030,len:1184 14:00:10.846 > load:0x40078000,len:13132 14:00:10.849 > load:0x40080400,len:988 14:00:10.851 > csum err:0x31!=0x00 14:00:10.852 > ets_main.c 371 14:00:11.151 > ets Jun 8 2016 00:22:57 14:00:11.151 > 14:00:11.151 > rst:0x7 (TG0WDT_SYS_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT) 14:00:11.157 > configsip: 0, SPIWP:0xee 14:00:11.160 > clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00 14:00:11.165 > mode:DIO, clock div:1 14:00:11.168 > load:0x3fff0030,len:1184 14:00:11.171 > load:0x40058000,len:68 14:00:11.174 > ho 0 tail 12 room 4 14:00:11.174 > load:0xebffffff,len:262144 14:00:11.176 > 1162 mmu set 00010000, pos 00010000 14:00:11.189 > 1162 mmu set 00020000, pos 00020000 14:00:11.201 > 1162 mmu set 00030000, pos 00030000 14:00:11.213 > 1162 mmu set 00040000, pos 00040000 14:00:11.216 > csum err:0x4d!=0xff 14:00:11.216 > ets_main.c 371 14:00:11.477 > ets Jun 8 2016 00:22:57 ``` After swapping the flash chip: ``` ~$ python -m esptool flash_id esptool.py v4.4 Found 1 serial ports Serial port /dev/ttyUSB0 Connecting.... Detecting chip type... Unsupported detection protocol, switching and trying again... Connecting.... Detecting chip type... ESP32 Chip is ESP32-D0WDQ6 (revision v1.0) Features: WiFi, BT, Dual Core, 240MHz, VRef calibration in efuse, Coding Scheme None Crystal is 40MHz MAC: 40:22:d8:03:81:8c Uploading stub... Running stub... Stub running... Manufacturer: ef Device: 8017 Detected flash size: 8MB Hard resetting via RTS pin... ~$ ``` Before swapping the flash chip: ``` ~$ python -m esptool flash_id esptool.py v4.4 Found 1 serial ports Serial port /dev/ttyUSB0 Connecting...... Detecting chip type... Unsupported detection protocol, switching and trying again... Connecting.... Detecting chip type... ESP32 Chip is ESP32-D0WDQ6 (revision v1.0) Features: WiFi, BT, Dual Core, 240MHz, VRef calibration in efuse, Coding Scheme None Crystal is 40MHz MAC: 40:22:d8:03:81:8c Uploading stub... Running stub... Stub running... WARNING: Failed to communicate with the flash chip, read/write operations will fail. Try checking the chip connections or removing any other hardware connected to IOs. Manufacturer: ff Device: ffff Detected flash size: Unknown Hard resetting via RTS pin... ~$ python -m esptool flash_id esptool.py v4.4 Found 1 serial ports Serial port /dev/ttyUSB0 Connecting.... Detecting chip type... Unsupported detection protocol, switching and trying again... Connecting.... Detecting chip type... ESP32 Chip is ESP32-D0WDQ6 (revision v1.0) Features: WiFi, BT, Dual Core, 240MHz, VRef calibration in efuse, Coding Scheme None Crystal is 40MHz MAC: 40:22:d8:03:81:8c Uploading stub... Running stub... Stub running... Manufacturer: 5e Device: 4016 Detected flash size: 4MB Hard resetting via RTS pin... ~$ pio device monitor -b 115200 ```