BDM locks up occasionally on overnight tests

Efren Serra efren.serra at Sun.COM
Wed Oct 10 17:16:04 UTC 2001


Joe,

Talk about Signal Integrity (SI) issues!

Efren Serra

> I've had the same problem.
> It was electrical noise resetting the board.  When I turned off my lights
> (florescent) sometimes my target board / bdm locked up.  I'm using the 5 chip
> bdm board with a 68360 board.
>
> I tried starting the test again (with the lights off) and it ran overnight
> without any problem.
>
> Hope this helps.
>
> Joe
>
> On Tuesday 09 October 2001 12:57, Benshoof, William {AVL~Roswell} wrote:
> > We are using RTEMS with a P&E ICD_BDM, GDB 4.18/DDD 3.2.1/Pavel's patches,
> > and a Motorola 68332 CPU.  Overall, our setup is very stable, and we aren't
> > having significant troubles.  However, when we set up a test to run
> > overnight or for several hours, sometimes we get an unexpected (and
> > inexplicable) interrupt.
> >
> > We're going to be running this sort of test out of ROM as well as with the
> > BDM.  We're also working on implementing leak-detection and usage
> > statistics, and we have the stack checker turned on.
> >
> > Any ideas on what we might find?  Is there a "this happens sometimes with
> > the BDM" category?
> >
> > Bill
>
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> --
> Joe Novosel
> Test Engineer
> Broadcom Corporation
> Residential Broadband Unit
> 770-232-0018
> jnovosel at broadcom.com






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