BDM locks up occasionally on overnight tests

[Joe Novosel]

It's probably that the ribbon cable from the pc to the bdm board is too long 
(~ 4 feet)  and it's unshielded (bdm cable came this way).

Joe


On Wednesday 10 October 2001 13:16, Efren Serra wrote:
> 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

-- 
Joe Novosel
Test Engineer
Broadcom Corporation
Residential Broadband Unit
770-232-0018 
jnovosel at broadcom.com