Re: Debugging mysterious freeze / crash
- Date: Sun, 23 Sep 2018 15:51:19 -0400
- From: Gene Heskett <gheskett@xxxxxxxxxxx>
- Subject: 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.
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>