[Ovmsdev] unit repeatedly crashing / reverting to factory

[Derek Caudwell]

The following is the log after resetting, does this indicate the NVS flash
is corrupted?

I (630) esp32wifi: Powering up WIFI driver
I (640) wifi: wifi driver task: 3ffd05c4, prio:23, stack:3584, core=0
I (650) wifi: wifi firmware version: 771f1dc
I (650) wifi: config NVS flash: enabled
I (650) wifi: config nano formating: disabled
I (660) system_api: Base MAC address is not set, read default base MAC
address from BLK0 of EFUSE
I (670) system_api: Base MAC address is not set, read default base MAC
address from BLK0 of EFUSE
I (690) wifi: Init dynamic tx buffer num: 16
I (690) wifi: Init data frame dynamic rx buffer num: 16
I (690) wifi: Init management frame dynamic rx buffer num: 16
I (690) wifi: Init static rx buffer size: 2212
I (700) wifi: Init static rx buffer num: 4
I (700) wifi: Init dynamic rx buffer num: 16
W (1380) phy_init: failed to load RF calibration data (0xffffffff), falling
back to full calibration
I (1540) phy: phy_version: 3910, c0c45a3, May 21 2018, 18:07:06, 0, 2
assertion "usedEntries == newPage->getUsedEntryCount()" failed: file
"/home/openvehicles/build/esp-idf/components/nvs_flash/src/nvs_pagemanager.cpp",
line 175, function: esp_err_t nvs::PageManager::requestNewPage()
abort() was called at PC 0x401018ef on core 0

Backtrace: 0x400935d3:0x3ffd02b0 0x4009372b:0x3ffd02d0
0x401018ef:0x3ffd02f0 0x4011cc77:0x3ffd0320 0x4011b8f7:0x3ffd0340
0x4011b6a3:0x3ffd03a0 0x401d75e3:0x3ffd03e0 0x401d7a0f:0x3ffd0420
0x401e296a:0x3ffd0450 0x401e2a04:0x3ffd0480 0x401e2cfa:0x3ffd04b0
0x401e2e67:0x3ffd04e0 0x4008a60c:0x3ffd0500

Rebooting...

On Fri, 12 May 2023 at 20:13, Derek Caudwell <d.caudwell at gmail.com> wrote:

> Recently my 12V battery died, after replacing it the OVMS unit reverted to
> the factory reset state. Unfortunately it kept crashing in this state with
> the following:
>
> Last boot was 101 second(s) ago Time at boot: 1970-01-01 00:03:16 GMT This
> is reset #3 since last power cycle Detected boot reason: EarlyCrash (12/12)
> Reset reason: Exception/panic (4) Crash counters: 3 total, 3 early Last
> crash: LoadProhibited exception on core 1 Registers: PC : 0x4008c341 PS :
> 0x00060030 A0 : 0x8013cc48 A1 : 0x3ffe63d0 A2 : 0x00000000 A3 : 0xfffffffc
> A4 : 0x000000ff A5 : 0x0000ff00 A6 : 0x00ff0000 A7 : 0xff000000 A8 :
> 0x00000000 A9 : 0x00000008 A10 : 0x3ffeba1d A11 : 0x3f417d87 A12 :
> 0x3ffeba25 A13 : 0x3ffe684c A14 : 0x47006c6c A15 : 0x47006c6c SAR :
> 0x00000010 EXCCAUSE: 0x0000001c EXCVADDR: 0x00000000 LBEG : 0x4008c341 LEND
> : 0x4008c351 LCOUNT : 0xffffffff Current task on core 0: wifi, 1176 stack
> bytes free Current task on core 1: OVMS NetMan, 6420 stack bytes free
> Backtrace: 0x4008c341 0x4013cc45 0x4013ffbe 0x4013fff5 0x4011439b
> 0x40184ee2 0x4018526b 0x40185ac8 0x40189829 0x401311ed 0x40132221
> 0x401311ed 0x40131597 0x4013168a 0x40132ff1 0x40133272 0x4012f432
> 0x4012330f 0x401233bd Version: 3.3.003-423-g68d9aee8/ota_0/main (build idf
> v3.3.4-849-g6e214dc33 Apr 19 2023 00:11:25) Hardware: OVMS WIFI BLE BT
> cores=2 rev=ESP32/1
> ------------------------------
>
> Hardware: OVMS WIFI BLE BT cores=2 rev=ESP32/1 Firmware:
> 3.3.003-423-g68d9aee8/ota_0/main (build idf v3.3.4-849-g6e214dc33 Apr 19
> 2023 00:11:25) Running partition: ota_0 Boot partition: ota_0 Factory
> image: 3.2.002 OTA_O image: 3.3.003-423-g68d9aee8 OTA_1 image:
> 3.3.003-419-gfbbf3c0d
>
> Removing the SD card and trying a S2 reset made no difference, so I
> proceeded to run the following commands to factory reset and boot from the
> factory firmware:
>
> esptool.py --chip esp32 --port COM3 --baud 921600 erase_region 0xC10000 0x100000
>
>
>
> esptool.py --chip esp32 --port COM3 --baud 921600 erase_region 0xd000
> 0x2000
>
>
> Both ran successfully however the unit is now no longer providing the
> factory wifi access point. What should I try next to restore it?
>
>
> Cheers Derek
>
>
>
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