[U-Boot] Special memory test Question

[Wolfgang Denk]

Dear "Martin Jarman",

In message <000801c929c5$01d37060$4201a8c0 at amil> you wrote:
> I have an Atmel atngw100 development board and a standalone application that 
> crashes within 10 to 30 seconds of starting.  I have just discovered that 

Are other applications (including U-Boot itself and maybe Linux)
running fine?

> the special memory test described in 5.9.2.10 of DULG also crashes the board 
> after a similar amount of time.
> 
> With a fresh copy of the Atmel's release of the U-boot binary installed 
> (version 1.1.3-00248-gae9bc0c),
> I press SPACE to abort autoboot, and then type:
> 
> loop .b 10400000
> 
> (10400000 is an address in SDRAM)
> Nothing happens for about 20 Seconds, then there is an 'Unhandled exception' 
> and the processor reboots.

Is there by chance any watchdog on your system that mith have such a
timeout / reset period?

Best regards,

Wolfgang Denk

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