[Ovmsdev] Can buses stop after some time

[Mark Webb-Johnson]

I think this is the new charge alerts in vehicle.{h, cpp}. They call the command ‘STAT’, which may consume a lot of stack (executing commands does).

I suggest you change vehicle stack size to 6144. That is the default now in sdkconfig.default.hw31 that I just pushed. You will need to make menuconfig and find it in the vehicle support section of open vehicles component. Diff sdkconfig support/sdkconfig.default.hw31 to see the changes.

Regards, Mark.

> On 11 May 2018, at 10:15 PM, Mark Webb-Johnson <mark at webb-johnson.net> wrote:
> 
> Can you:
> 
> diff sdkconfig support/sdkconfig.default.hw31
> 
> and make sure the same? Maybe stack sizes are different?
> 
> Or maybe something in your vehicle type is using up a lot of stack. Try ‘module tasks’ to see.
> 
> Regards, Mark.
> 
>> On 11 May 2018, at 9:42 PM, Robin O'Leary <ovmsdev at caederus.org <mailto:ovmsdev at caederus.org>> wrote:
>> 
>> On Fri, May 11, 2018 at 08:08:10PM +0800, Mark Webb-Johnson wrote:
>>> I think —tags is missing?
>>> I normally ‘git fetch origin —tags as the first step.
>> 
>> Ah, thanks, that fixed the the version label.
>> 
>> My build still crashes though, this time with another stack overflow:
>> 
>> OVMS# ***ERROR*** A stack overflow in task OVMS Vehicle has been detected.
>> abort() was called at PC 0x40092f00 on core 1
>> 
>> Backtrace: 0x40092cec:0x3ffdcaf0 0x40092ee7:0x3ffdcb10 0x40092f00:0x3ffdcb30 0x4008f33c:0x3ffdcb50 0x40090f90:0x3ffdcb70 0x40090f46:0xa5a5a5a5
>> 
>> Rebooting...
>> 
>> 0x40092cec invoke_abort + 24 in section .iram0.text
>> 0x40092ee7 abort + 39 in section .iram0.text
>> 0x40092f00 vApplicationStackOverflowHook + 20 in section .iram0.text
>> 0x4008f33c vTaskSwitchContext + 200 in section .iram0.text
>> 0x40090f90 _frxt_dispatch in section .iram0.text
>> 0x40090f46 _frxt_int_exit + 70 in section .iram0.text
>> 
>> 
>> btw, something helpfully mapped the character sequence "[dash][dash]tags"
>> in your message to "[en-dash]tags"; if you cut-and-paste that directly
>> to a command line, you get a rather confusing error:
>> 
>> $ git fetch origin —tags
>> fatal: Couldn't find remote ref —tags
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