[Ovmsdev] Newbie question & initial report

[Mark Webb-Johnson]

Steve,

> You may have noticed that in 57aab41 I fixed the bug that caused the
> crash.  The OvmsHttpClient::m_buf variable was not initialized.


Thanks for that. Nice find. Works for me:

Welcome to the Open Vehicle Monitoring System (OVMS) - Async Console
OVMS > ota flash http
Current running partition is: factory
Target partition is: ota_0
Download firmware from api.openvehicles.com/firmware/ota/v3/main/ovms3.bin to ota_0
Error: Request failed
W (7274) net: DNS lookup on api.openvehicles.com failed err=202

Feel bad about that one. I (almost) never do that (I push myself into the habit of adding initialisers and destructors when I create the member variable). Not sure how that slipped through, but it explains the weird stack mess.

> OVMS > ota flash http
> OTA flash was successfull
>  Flashed 927744 bytes from api.openvehicles.com/firmware/ota/v3/main/ovms3.bin
>  Next boot will be from ‘ota_0'

Looks good! (apart from the spelling error, now fixed)

Regards, Mark.

> On 9 Oct 2017, at 2:16 PM, Stephen Casner <casner at acm.org> wrote:
> 
> On Sun, 8 Oct 2017, Mark Webb-Johnson wrote:
> 
>> I think that is because no network connection available (wifi). Can
>> you try with wifi up, running, and an IP address assigned?
> 
> OVMS > ota flash http
> Current running partition is: factory
> Target partition is: ota_0
> Download firmware from api.openvehicles.com/firmware/ota/v3/main/ovms3.bin to ota_0
> Checksum is ae7b3ab032f6a5be7a8789650c76ea52 and expected file size is 927777
> Preparing flash partition...
> Downloading... (100943 bytes so far)
> Downloading... (201095 bytes so far)
> Downloading... (301399 bytes so far)
> Downloading... (402139 bytes so far)
> Downloading... (502879 bytes so far)
> Downloading... (603771 bytes so far)
> Downloading... (704359 bytes so far)
> Downloading... (805099 bytes so far)
> Downloading... (905839 bytes so far)
> Download file length is 927744 and digest ae7b3ab032f6a5be7a8789650c76ea52
> Setting boot partition...
> OTA flash was successfull
>  Flashed 927744 bytes from api.openvehicles.com/firmware/ota/v3/main/ovms3.bin
>  Next boot will be from 'ota_0'
> 
>> Seems stack gets messed up in that case. I'll try to find out why,
>> but the backtrace isn't helping much.
> 
> You may have noticed that in 57aab41 I fixed the bug that caused the
> crash.  The OvmsHttpClient::m_buf variable was not initialized.  Now
> without the wifi connection I get:
> 
> OVMS > ota flash http
> Current running partition is: factory
> Target partition is: ota_0
> Download firmware from api.openvehicles.com/firmware/ota/v3/main/ovms3.bin to ota_0
> Error: Request failed
> W (8297) net: DNS lookup on api.openvehicles.com failed err=202
> 
>                                                        -- Steve
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> OvmsDev at lists.teslaclub.hk
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