[Ovmsdev] OVMS v2 Memory/Settings Corruption

[Julien Banchet]

Oh ! This one is impressive
Definitly not bit flip nor single caracter screw-up:
My phone number became "Topping o"! (I was far from topping off, and the
OVMS was plugged 15 minutes before charging the Twizy)

Screenshot this morning
https://goo.gl/photos/6Yv9TUTTHmQTLosT8

JaXX./.


On Fri, Nov 25, 2016 at 8:16 AM, Julien Banchet <jaxx at jaxx.org> wrote:

> Sorry, I only gave flaky examples because I switched phones recently and
> was lazy to digup the old one that had some screenshots
>
> Here are some real cases
> C33651886877
> +336518867s7
> +3365188T877
> +336518868h7
>
> That said, it still is way more than a simple bit flip, and only corrupts
> the phone number as far as I can recall.
>
> I have no explanation, all I can say is, most of the time, I plug the OVMS
> when I plan charging later in the morning, usually when I'm still
> underground and a handful of seconds before putting contact (if this can
> point to any clue)
>
> Anyways, gonna try cutting GPRS this morning and see how quick it
> discharges and might automate switching SMS<->SMSIP once in a while to keep
> an eye on the battery (my cell operator has an API) though it might wearout
> eeprom even more :-/
>
> JaXX./.
>
>
> On Fri, Nov 25, 2016 at 1:56 AM, Mark Webb-Johnson <mark at webb-johnson.net>
> wrote:
>
>> $ perl -e 'printf "%08b\n",ord("5");'
>> 00110101
>> $ perl -e 'printf "%08b\n",ord("k");'
>> 01101011
>> $ perl -e 'printf "%08b\n",ord("8");'
>> 00111000
>> $ perl -e 'printf "%08b\n",ord("Z");'
>> 01011010
>>
>> Strange. Seems more than a simple bit flip. I haven’t seen this myself,
>> or heard of it much from other users.
>>
>
>
>
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