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Re: Debugging mysterious freeze / crash




On Sunday 23 September 2018 14:30:51 Celejar wrote:

> On Sun, 23 Sep 2018 20:48:49 +0500
>
> "Alexander V. Makartsev" <avbetev@xxxxxxxxx> wrote:
> > On 23.09.2018 18:00, Celejar wrote:
> > > One of the reasons I buy Thinkpad T (or W) series machines is to
> > > not have to worry about such things, but I understand that there
> > > are no guarantees ;)
> >
> > Some people strongly believe there are conspiracy among hardware
> > manufacturers, such as planned failure. I'm one of them tinfoil
> > hats, because I've seen too many "too convenient" failures to
> > believe they were random.
> > We now live in the age of Pb-less solder and BGA chips. This is a
> > bad thing because Tin without Pb becomes brittle with time. Also Tin
> > could grow microscopic hair-like structures that could short-circuit
> > neighboring solder joints. This is why service people have to resort
> > to re-flow and re-ball techniques on still working BGA chipsets,
> > essentially adding Pb and resolder ICs back into same motherboard or
> > replacing faulty chips if they are dead.
> > I've seen flux that becomes conductive after a couple of years of
> > device usage. I've seen rubber-like substance with same
> > characteristics that holds components in place inside PSUs, you just
> > stick 2 probes of your MMT into and it shows resistance.
> > I can go on infinitely on this topic, so I better stop.
> >
> :) Thanks for the perspective - I know much too little about hardware
>
> to form an intelligent opinion.
>
> Celejar

I can, been chasing electrons for 70 of my 84 years, and I can 
categoricly state that fellow Murphy, who wrote all those laws, was a 
pessimist. His "whatever can go wrong, will", is an understatement. Even 
if it cannot go wrong, it will.


-- 
Cheers, Gene Heskett
--
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>