[Ovmsdev] Module stops working after couple of days

[Wido den Hollander]

Hi,

On 03/02/2012 01:09 AM, Mark Webb-Johnson wrote:
> Wido,
>
> The only recent change to the modem handling code was in 1.2.0-rc5 - to handle multi-line sms messages and to increase the size of the network buffers.
>
> If this problem is repeatable for you, could you try rolling back to 1.2.0-rc4 and see if that solves it? The git revision number is 1bb3ef4ec1df41a9b54a87c4c08918f76b5ade08.
>

I'll monitor it for the coming days. Last night we saw the module go 
on/off, going offline for about 8 hours and then it started working again.

Wido

> Regards, Mark.
>
> On 1 Mar 2012, at 10:09 PM, Wido den Hollander wrote:
>
>> Hi,
>>
>> On 03/01/2012 02:16 PM, Mark Webb-Johnson wrote:
>>>
>>> What version of the car firmware are you running?
>>>
>>> If the 1.2.0-rc? series, please ensure the switch on the PIC board is
>>> set to the GRPS position (not GSM only).
>>
>> Yes, I'm running 1.2.0-rc6
>>
>> I checked the switch is correct, I had this before. The GPRS works fine, but that stops working.
>>
>>>
>>> Can you also try the main www.openvehicles.com
>>> <http://www.openvehicles.com>  server to see if the same problem happens?
>>
>> I'll try that later.
>>
>> I'll try Sonny's suggestion first, sending a SMS with STAT to the module.
>>
>>>
>>> This does remind me of problems we had many months ago with the modem
>>> losing signal lock but that not being able to be picked up by the
>>> module. But, I haven't seen it for many months.
>>>
>>> Regards, Mark.
>>>
>>> On 1 Mar, 2012, at 7:28 PM, Sonny wrote:
>>>
>>>> Wido,
>>>>
>>>> Green off is definitely strange. I suggest you to try reflashing the
>>>> firmware to rule out a bad flash.
>>>>
>>>> If it still drops out, try sending STAT via SMS. If it responds, then
>>>> we can narrow it down to a GPRS problem.
>>>>
>>>> Regards,
>>>>
>>>> Sonny
>>>>
>>>> On Mar 1, 2012 5:14 PM, "Wido den Hollander"<wido at widodh.nl
>>>> <mailto:wido at widodh.nl>>  wrote:
>>>>
>>>>     Hi,
>>>>
>>>>     About a week ago I was able to install the module and get my own
>>>>     server up and running. Everything seemed to work fine from the
>>>>     beginning, but after about 36 hours the module died.
>>>>
>>>>     First I thought my prepaid SIM-card had ran out of credits, but
>>>>     that was not the case.
>>>>
>>>>     A manual reboot of the module was needed and it started working again.
>>>>
>>>>     Yesterday I opened the app and saw "Last update 8 hours ago"
>>>>
>>>>     Again, a reboot of the module was enough.
>>>>
>>>>     I checked the LED's and the first time GREEN was solid ON and RED
>>>>     was flashing slowly, that is normal.
>>>>
>>>>     The second time the GREEN LED was off and only the RED one was
>>>>     blinking.
>>>>
>>>>     I don't think it's a problem of GSM reception, the module even
>>>>     worked without the antenna while lying on the floor of the car.
>>>>
>>>>     GSM reception is however very good here in the neighborhood, no
>>>>     high buildings and it's a very dense network.
>>>>
>>>>     It's also weird that the module doesn't come back online. If it
>>>>     was a short disruption it could be a connection problem, but being
>>>>     offline for 8 hours is long.
>>>>
>>>>     Has anyone seen this behavior?
>>>>
>>>>     Thanks,
>>>>
>>>>     Wido
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>>>>
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>>>
>>
>