Re: [riot-devel] Cortex M0 HardFault

2016-12-16 Thread Joakim Nohlgård 
On a related note, I had some trouble with unexplained hard faults when I
built newlib using gcc-6.2, but I didn't have time to investigate further
at that time and I simply reinstalled newlib built with gcc-5.4 instead.

Best regards,
Joakim

On Dec 15, 2016 5:51 PM, "Kaspar Schleiser"  wrote:

> Hey,
>
> On 12/15/2016 05:32 PM, Baptiste Clenet wrote:
> > What could cause:
> > Stack pointer corrupted, reset to top of stack
> > l.238, vectors_cortexm.c
> > (then board is halted)
> >
> > Any program I flash on the samr21 goes directly to hard_fault_handler()
>
> Any program, e.g., also "tests/hello-world"?
>
> > Board dead or something missing?
>
> Which OS are you on, what toolchain?
> Do you have a second samr21-xpro to test the binary?
> Are you on a clean master checkout?
>
> Seriously, did you try a different USB cable?
>
> Kaspar
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Re: [riot-devel] Cortex M0 HardFault

2016-12-15 Thread Kaspar Schleiser 
Hey,

On 12/15/2016 05:32 PM, Baptiste Clenet wrote:
> What could cause:
> Stack pointer corrupted, reset to top of stack
> l.238, vectors_cortexm.c
> (then board is halted)
> 
> Any program I flash on the samr21 goes directly to hard_fault_handler()

Any program, e.g., also "tests/hello-world"?

> Board dead or something missing?

Which OS are you on, what toolchain?
Do you have a second samr21-xpro to test the binary?
Are you on a clean master checkout?

Seriously, did you try a different USB cable?

Kaspar
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[riot-devel] Cortex M0 HardFault

2016-12-15 Thread Baptiste Clenet 
Hi,

What could cause:
Stack pointer corrupted, reset to top of stack
l.238, vectors_cortexm.c
(then board is halted)

Any program I flash on the samr21 goes directly to hard_fault_handler()

Board dead or something missing?

Cheers,

-- 
Baptiste
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