[Ovmsdev] Modem fails to connect

Michael Balzer dexter at expeedo.de
Fri May 18 05:04:49 HKT 2018


1. See https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3/issues/111 -- TL;DR: you should update to an "edge" build or build yourself.

2. You need to format the SD card with FAT32, also users reported the MacOS FAT32 format would not be accepted by the module (I can't test that, all Linux
formatted cards work). There are some issues with the FAT implementation in esp-idf, i.e. with reading damaged partitions.


Am 17.05.2018 um 22:49 schrieb Greg D.:
> Greg D. wrote:
>> I'll pick up the logging tomorrow, and provide that
> {sigh}
> I went to the car to grab a verbose log, and started poking around for the commands, etc.  Looked at the network status, and see that ppp has an IP address! 
> What?  Boot status showed:
>     OVMS# boot status
>     Last boot was 249 second(s) ago
>       This is reset #15 since last power cycle
>       Detected boot reason: FirmwareUpdate
>       Crash counters: 0 total, 0 early
>       CPU#0 boot reason was 12
>       CPU#1 boot reason was 12
>     OVMS#
>     OVMS# metric list m.version
>     m.version                                3.1.005/ota_1/main (build idf v3.1-dev-454-gdaef4b5c May  1 2018 21:38:50)
>     OVMS#
> ...which is bogus, since if it really upgraded the firmware it should be on .006.  Also, the OTA time is set to the default 2am, which is clearly not the
> current time in any relevant timezone.
> I had tried to insert an SD card for easier log portability, but for some reason it wasn't seen.  'sd status' says no SD card has been inserted, and sd mount
> fails.  There IS an active USB connection (being used for a serial console monitor), so our friendly cp2102 issue shouldn't be at play, and there is no
> firmware file present on the SD either, but the timing of the reboot is about right for when the SD was inserted.  It's a SanDisk 16gb Ultra Plus microsd... 
> No luck with it either on my 3.0 proto module, but it reads fine on my PC.  This is my first time trying to use a microSD card with the OVMS module, so I
> don't know what to expect.  Could be user error on my part?
> Did the act of jiggling the module and inserting the SD card cause a reboot, the reason for which was not logged (i.e. is the 'firmware upgrade' status
> leftover from the .004 -> .005 upgrade some weeks ago)?
>  {shrug}
> Anyway, bottom line are three issues:
>   1.  What caused my module to reboot with an apparently bogus "upgrade"?
>   2.  Why can't either of my modules see this SD card?
>   3.  I will need to wait for the loss of modem connectivity to reproduce, since the reboot "fixed" it...  Sorry.
> Greg
> _______________________________________________
> OvmsDev mailing list
> OvmsDev at lists.openvehicles.com
> http://lists.openvehicles.com/mailman/listinfo/ovmsdev

Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
Fon 02333 / 833 5735 * Handy 0176 / 206 989 26

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openvehicles.com/pipermail/ovmsdev/attachments/20180517/8c3ef50e/attachment.htm>

More information about the OvmsDev mailing list