SUMMARY: Erratic system crashes. Keyboard failure?

From: Nils Ackermann (Nils.Ackermann@math.uni-giessen.de)
Date: Wed Jun 25 1997 - 10:26:04 CDT


Hello Sun managers,

it was suggested to me that the problem is probably a loose or broken
keyboard connector in the machine. For a test I tied the keyboard
chord up with tape to a fixed position, and it seems to help.

I'd better have this thing replaced subito!

Thanks go to:
Jason Keltz
Sundaram.R

Regards
Nils Ackermann

________________________________________________________________________
my original posting:
________________________________________________________________________

> Hello sun-managers!
>
> We have four SparcStation4 and a Ultra1 as nfs server, all running Solaris
> 2.5.1. The SS4's are all set up identically. One of them has the following
> problem: being logged in on the console we experience frequent system
> crashes (the ok prompt appears) while typing at the keyboard (the stop-A
> key is not hit). Exchanging the keyboard with one of the other machines
> that work doesn't help. If I log in remotely and use the local display for
> X programs, everything is fine.
>
> My guess: some hardware failure involving the keyboard driver. Could that
> be caused by a power outage we once had (a person turning of electric
> supplies in that room)? The problem has only been appearing since then.
>
> I ran the vts on all hardware components of that machine, online and
> offline with stress, no result (I'm not sure which one is the test for the
> keyboard -- I just ran all of them). Is there some other way to run a test
> on the keyboard driver?
>
> I used savecore in the S69inet script to write a dump image after such a
> crash, but having no clue only poked around in it with 'crash'. What
> should I look for?
>
> I would appreciate any hints on how to proceed.
>
> Best regards
> Nils Ackermann



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