[Ovmsdev] Repeated WDT crashes after upgrade to 3.3 with 4G

[Mark Webb-Johnson]

Can you try to get a debug log for the cellular system?

> On 3 Mar 2022, at 12:43 PM, Stephen Casner <casner at acm.org> wrote:
> 
> "cellular setstate PoweredOff" stopped the crashes.  So it appears
> that something in the 4G modem support is running away.
> 
>                                                        -- Steve
> 
>> On Wed, 2 Mar 2022, Stephen Casner wrote:
>> 
>> I installed version 3.3.001-285 from edge on my OVMS v3.1 unit before
>> replacing the 3G modem with a 4G modem.  Upon rebooting with the unit
>> still on the bench I noticed that the unit was crashing every three
>> minutes with a watchdog timeout:
>> 
>> I (112275) gsm-mux: Start MUX
>> I (112285) gsm-mux: Channel #0 is open
>> I (112295) gsm-mux: Channel #1 is open
>> I (112305) gsm-mux: Channel #2 is open
>> I (112315) gsm-mux: Channel #3 is open
>> I (112325) gsm-mux: Channel #4 is open
>> I (113265) cellular: State: Enter NetWait state
>> I (122265) housekeeping: System considered stable (RAM: 8b=81540-82392 32b=12344 SPI=3454300-3456824)
>> I (122505) webserver: HTTP GET /
>> I (122535) webserver: HTTP GET /apple-touch-icon.png
>> I (122555) webserver: HTTP GET /status
>> I (123265) ovms-server-v2: Send MP-0 h1,0,*-OVM-DebugCrash,0,2592000,3.3.001-285-g601f2a70/ota_1/edge (build idf v3.3.4-848-g1ff5e24b1 Feb 20 2022 00:04:30),2,Crash,12,12,2,0,abort(),0,,0x4008ddca 0x4008e065 0x400e9608 0x40084176 ,6,Task watchdog,ticker.1,esp32wifi,0,IDLE0,OVMS WIFI BLE BT cores=2 rev=ESP32/1; MODEM SIM7600
>> I (123295) cellular: Network Registration status: RegisteredRoaming
>> I (123295) cellular: Network Provider is: AT&T Hologram
>> I (123595) ovms-server-v2: Incoming Msg: MP-0 h1
>> I (124265) cellular: State: Enter NetStart state
>> I (129845) webserver: HTTP POST /status
>> I (129845) webserver: HandleLogin: 'admin' logged in, sid c3bb26091e718ad
>> I (129875) webserver: HTTP GET /status
>> I (130035) webserver: HTTP GET /menu
>> W (178175) websocket: WebSocketHandler[0x3f8b19f0]: job queue overflow detected
>> OVMS> E (185265) task_wdt: Task watchdog got triggered. The following tasks did not reset the watchdog in time:
>> E (185265) task_wdt:  - IDLE0 (CPU 0)
>> E (185265) task_wdt: Tasks currently running:
>> E (185265) task_wdt: CPU 0: Tmr Svc
>> E (185265) task_wdt: CPU 1: IDLE1
>> E (185265) task_wdt: Aborting.
>> abort() was called at PC 0x400e9608 on core 0
>> 
>> ELF file SHA256: 2d4b51699f53abce
>> 
>> Backtrace: 0x4008ddca:0x3ffb0aa0 0x4008e065:0x3ffb0ac0 0x400e9608:0x3ffb0ae0 0x40084176:0x3ffb0b00
>> 
>> Rebooting...
>> 
>> I was hoping that when I put the module back into the car with all the
>> right inputs on its data cable that this problem would not continue,
>> but sad to say the crashes remain the same.  I have not heard about
>> this issue for others who have upgraded to 3.3 and 4G.  Any
>> suggestions?
>> 
>> Here are a couple of examples of the boot status:
>> 
>> auge1> ssh ovms
>> 
>> Welcome to the Open Vehicle Monitoring System (OVMS) - SSH Console
>> Firmware: 3.3.001-285-g601f2a70/ota_1/edge
>> Hardware: OVMS WIFI BLE BT cores=2 rev=ESP32/1; MODEM SIM7600
>> 
>> OVMS# boot
>> Last boot was 152 second(s) ago
>> Time at boot: 2022-03-02 14:29:11 PST
>>  This is reset #1 since last power cycle
>>  Detected boot reason: EarlyCrash (12/12)
>>  Reset reason: Task watchdog (6)
>>  Crash counters: 1 total, 1 early
>> 
>> Last crash: abort() was called on core 0
>>  Backtrace:
>>  0x4008ddca 0x4008e065 0x400e9608 0x40084176
>>  Event: ticker.1 at esp32wifi 0 secs
>>  WDT tasks: IDLE0
>>  Version: 3.3.001-285-g601f2a70/ota_1/edge (build idf v3.3.4-848-g1ff5e24b1 Feb 20 2022 00:04:30)
>> 
>>  Hardware: OVMS WIFI BLE BT cores=2 rev=ESP32/1; MODEM SIM7600
>> OVMS# packet_write_wait: Connection to 192.168.1.74 port 22: Broken pipe
>> auge2> ssh ovms
>> 
>> Welcome to the Open Vehicle Monitoring System (OVMS) - SSH Console
>> Firmware: 3.3.001-285-g601f2a70/ota_1/edge
>> Hardware: OVMS WIFI BLE BT cores=2 rev=ESP32/1
>> 
>> OVMS# boot
>> Last boot was 76 second(s) ago
>> Time at boot: 2022-03-02 14:32:18 PST
>>  This is reset #2 since last power cycle
>>  Detected boot reason: Crash (12/12)
>>  Reset reason: Task watchdog (6)
>>  Crash counters: 2 total, 0 early
>> 
>> Last crash: abort() was called on core 0
>>  Backtrace:
>>  0x4008ddca 0x4008e065 0x400e9608 0x40084176
>>  Event: ticker.1 at esp32wifi 0 secs
>>  WDT tasks: IDLE0
>>  Version: 3.3.001-285-g601f2a70/ota_1/edge (build idf v3.3.4-848-g1ff5e24b1 Feb 20 2022 00:04:30)
>> 
>>  Hardware: OVMS WIFI BLE BT cores=2 rev=ESP32/1
>> OVMS#
>> OVMS# packet_write_wait: Connection to 192.168.1.74 port 22: Broken pipe
>> 
>>                                                        -- Steve
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