[Ovmsdev] Issues since latest update (3.2.0.14)

[Michael Balzer]

Mark,

shall we proceed to "main"?

Regards,
Michael


Am 02.09.20 um 09:23 schrieb Mark Webb-Johnson:
> Michael,
>
> Thanks.
>
> The impacting issue I am seeing is that new users are coming onboard
> our platform, and the first thing they do is upgrade to the latest
> (3.2.014) during the install process. They then get continuous
> crashes. The CAN bus errors shown in the car are also very scary. I
> think it best to replace 3.2.014 asap. My only concern is if there is
> anything newly broken in 3.2.015.
>
> Regards, Mark.
>
>> On 2 Sep 2020, at 2:55 PM, Michael Balzer <dexter at expeedo.de
>> <mailto:dexter at expeedo.de>> wrote:
>>
>> OK, followed on my server.
>>
>> It would have been an option to first let the users with issues test
>> the edge version. But I think the release should be OK, crash
>> statistics of the current version look much better so far.
>>
>> Regards,
>> Michael
>>
>>
>> Am 02.09.20 um 02:27 schrieb Mark Webb-Johnson:
>>> I’ve tagged, built, and released to EAP, 3.2.015 - based on head of
>>> edge.
>>>
>>> Not sure if this is generally releasable at this point (perhaps too
>>> rushed), but that should make it easier to access.
>>>
>>> Regards, Mark.
>>>
>>>> On 2 Sep 2020, at 2:38 AM, Derek Caudwell <d.caudwell at gmail.com
>>>> <mailto:d.caudwell at gmail.com>> wrote:
>>>>
>>>> Hi,
>>>>
>>>> Looking at the differences between 3.2.0.14 and earlier it looks
>>>> like the use of EV Can rather than CAR Can to enable battery
>>>> monitoring on the Leaf was the main trigger for frequent event
>>>> crashes (fixed 31/8 in commit 
>>>>
>>>>
>>>>         |07f25e3).|The polling being turned on (when vehicle ON was
>>>>         set) being more noticeable than at other times as both
>>>>         buses have a lot of traffic - but still not guaranteed to
>>>>         cause a crash as reported by GlynHudson in issue #409.
>>>>         Based on my own experience this issue could still occur
>>>>         randomly but less frequently when the vehicle was off/not
>>>>         polling. 
>>>>
>>>>
>>>> The issue would still occur even if enable canwrites were set to
>>>> off as reported by GlynHudson in #409, as canwrite logic was not
>>>> implemented in the Leaf code until 19/8 in commit 41ac2f1.
>>>>
>>>> A temporary workaround was also implemented in the Leaf code to
>>>> switch buses prior to polling on 16/8 in commit 
>>>>
>>>>
>>>>         |32db785.|
>>>>
>>>>
>>>> The subsequent poller rework has enabled the Leaf to direct polls
>>>> to the correct bus, allowing the PID polls originally defined (but
>>>> not working depending on the car state) to function when the
>>>> vehicle is on or off and charging. Also the IncomingPollReply code
>>>> was tidied up and aligned with that used for the Twizy. The vehicle
>>>> poller extra frame request delay was also originally fixed at 25ms
>>>> uneccessarily slowing down large replies such as the battery cell
>>>> voltage responses, now set to 0. These changes mean the polling for
>>>> the Leaf is now working as it should.
>>>>
>>>> The current edge version appears to be stable and allows PID
>>>> polling reliably to both buses without causing crashes. I have been
>>>> running it for 24h with 6 start/stop events without issue. 
>>>>
>>>> If others agree could 3.2.0.15 be staged for EAP release to move
>>>> Leaf users off 3.2.0.14? A note could be to 3.2.0.14 stating there
>>>> is a known stability issue on the Leaf and to use 3.2.0.15 or similar.
>>>>
>>>> GlynHudson and others on other Leaf models can test to ensure we
>>>> are back to a stable release with the required polling
>>>> functionality working. 
>>>>
>>>> Kind regards
>>>> Derek
>>>> _______________________________________________
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>>>> http://lists.openvehicles.com/mailman/listinfo/ovmsdev
>>>
>>>
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>>
>> -- 
>> Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
>> Fon 02333 / 833 5735 * Handy 0176 / 206 989 26
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>
>
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-- 
Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
Fon 02333 / 833 5735 * Handy 0176 / 206 989 26

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