[Ovmsdev] Double updates - Normal?

Mark Webb-Johnson mark at webb-johnson.net
Thu Jan 30 18:32:01 HKT 2020


Seems identical. The changes don’t seem to affect the dispatch of the system.start event.

I think it must be a race condition.

Mark

> On 30 Jan 2020, at 5:56 PM, Michael Balzer <dexter at expeedo.de> wrote:
> 
> 
> Mark,
> 
> a similar issue was happening on some Smart ED and fixed by Dimitrie later on:
> 
> https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3/issues/293
> 
> I thought that was a Smart specific issue, maybe I was wrong.
> 
> Regards,
> Michael
> 
> 
>> Am 30.01.20 um 06:17 schrieb Mark Webb-Johnson:
>> Still stumped…
>> 
>> The OTA code doesn’t call GetOVMSVersion(), but instead just looks at StandardMetrics.ms_m_version (which we know is blank). That is why this is happening.
>> 
>> But why is StandardMetrics.ms_m_version empty (as is the hardware value as well).
>> 
>> The ovms_version code hooks into ’system.start’ event, and sets the version and hardware metrics. So, obviously that is not being called. That event is raised just after ’Starting USB console…”. The event is also listened to be ovms_time, ovms_mdns, and swcan.
>> 
>> MDNS outputs “Starting MDNS” when it sees that. The ovms_time sets the environment variable TZ. Your car is showing:
>> 
>> ovms> time status
>> ...
>> Vehicle Response:
>>   Time Zone:  Not defined
>>   UTC Time:   2020-01-30 05:00:53 UTC
>>   Local Time: 2020-01-30 05:00:53 GMT
>>   Provider:   None
>> 
>> So looks like TZ is not being set. Presumably that means the call is not happening. I had a look at the ovms_events code, but can’t find anything obvious.
>> 
>> So, tried a hacky test:
>> 
>> ovms> metric list version
>> ...
>> Vehicle Response:
>>   m.version
>> 
>> ovms> event raise system.start
>> ...
>> Vehicle Response:
>>   Raising event: system.start
>> 
>> ovms> metric list version
>> ...
>> Vehicle Response:
>>   m.version                                3.2.008-121-g4c6c9fe/ota_0/edge (build idf v3.3-beta3-775-gdc1ca69 Jan 29 2020 00:00:52)
>> 
>> ovms> ota status
>> ...
>> Vehicle Response:
>>   Firmware:          3.2.008-121-g4c6c9fe/ota_0/edge (build idf v3.3-beta3-775-gdc1ca69 Jan 29 2020 00:00:52)
>>   Running partition: ota_0
>>   Boot partition:    ota_0
>>   Factory image:     3.1.001
>>   OTA_O image:       3.2.008-121-g4c6c9fe
>>   OTA_1 image:       3.2.008-121-g4c6c9fe
>>   Server Available:  3.2.008-121-g4c6c9fe (no update required)
>> 
>> 🤢
>> 
>> Can you try to boot from USB (module reset) and provide the serial boot log? Particularly around the lines ’Starting USB console’.
>> 
>> Maybe a race condition at startup, or some other issue delivering events early on?
>> 
>> Only other thing I see are some scripts on /store/events regarding vehicle on/off - perhaps you can try disabling those to see if they trigger the issue? I tried recreating them on my box, but couldn’t repeat your problem.
>> 
>> Regards, Mark.
>> 
>>> On 30 Jan 2020, at 11:55 AM, Mark Webb-Johnson <mark at webb-johnson.net> wrote:
>>> 
>>> Greg,
>>> 
>>> It seems your car can’t pickup currently running firmware version:
>>> 
>>> ovms> open ROADSTER834B
>>> Connected and logged in to ROADSTER834B
>>> ovms> metric list version
>>> ...
>>> Vehicle Response:
>>>   m.version
>>> 
>>> By comparison, here’s mine:
>>> 
>>> ovms> metric list version
>>> ...
>>> Vehicle Response:
>>>   m.version                                3.2.008-121-g4c6c9fe/ota_1/edge (build idf v3.3-beta3-775-gdc1ca69 Jan 29 2020 00:00:52)
>>> ovms> ota status
>>> ...
>>> Vehicle Response:
>>>   Firmware:          3.2.008-121-g4c6c9fe/ota_1/edge (build idf v3.3-beta3-775-gdc1ca69 Jan 29 2020 00:00:52)
>>>   Running partition: ota_1
>>>   Boot partition:    ota_1
>>>   Factory image:     3.2.002
>>>   OTA_O image:       3.2.008-120-gcfb7864
>>>   OTA_1 image:       3.2.008-121-g4c6c9fe
>>> 
>>> Your m.hardware metric is also blank.
>>> 
>>> I’ll keep looking, but at the moment this seems bizarre.
>>> 
>>> Regards, Mark.
>>> 
>>>> On 30 Jan 2020, at 11:21 AM, Greg D. <gregd2350 at gmail.com> wrote:
>>>> 
>>>> Hi Mark, Michael,
>>>> 
>>>> Seems like what is happening is that the module keeps thinking a new
>>>> update is available.  Today was especially active for some reason. 
>>>> Screenshot of the Android application's log screen, attached.  All
>>>> versions appear to be the same.  The car has simply been sitting in the
>>>> garage on WiFi; no transitions of network access.
>>>> 
>>>> Output of 'ota status' attached as well.
>>>> 
>>>> Sorry, but I don't appear to have logging enabled. What specifically
>>>> would you like logged?
>>>> 
>>>> Greg
>>>> 
>>>> 
>>>> Mark Webb-Johnson wrote:
>>>>> Not normal. Can you send us the logs. Also the output of ‘ota status’ would be helpful.
>>>>> 
>>>>> Are you sure this isn't just a notification of the update, and is the update itself? Perhaps a screenshot of the double notifications you receive?
>>>>> 
>>>>> Regards, Mark.
>>>>> 
>>>>>> On 25 Jan 2020, at 11:35 AM, Greg D. <gregd2350 at gmail.com> wrote:
>>>>>> 
>>>>>> Hi folks,
>>>>>> 
>>>>>> I moved my car's OVMSv3 to the Edge firmware a bit ago, and notice that
>>>>>> every update seems to be doubled.  Besides being a bit annoying, it ends
>>>>>> up without a previous version to fall back to since both partitions end
>>>>>> up being the same.
>>>>>> 
>>>>>> Is this behavior normal?  Can it be prevented?
>>>>>> 
>>>>>> I'm only on Edge because of the bug in obd2ecu, and will probably move
>>>>>> to EAP after we get an EAP build with the fix in it.  Is the behavior
>>>>>> the same there?
>>>>>> 
>>>>>> I used to be on Main, and all seemed fine there.
>>>>>> 
>>>>>> Thanks,
>>>>>> 
>>>>>> Greg
>>>>>> 
>>>>>> _______________________________________________
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>>>> 
>>>> <Repeated updates.png><Repeated updates ota status output.txt>_______________________________________________
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>>> 
>> 
>> 
>> 
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> 
> 
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