Re: Power Supply Cause of Crashes?

From: ray (ray_at_zianet.com)
Date: 03/19/05 

Date: Fri, 18 Mar 2005 18:55:24 -0700

On Fri, 18 Mar 2005 20:46:49 -0500, Al Dykes wrote:

> In article <cqL_d.12185$oO4.3898@newsread3.news.pas.earthlink.net>,
> W. Watson <wolf_tracks@invalid.inv> wrote:
>>Al Dykes wrote:
>>
>>> In article <slrnd3mvkt.n9h.BitTwister@wb.home.invalid>,
>>> Bit Twister <BitTwister@mouse-potato.com> wrote:
>>>
>>>>On Sat, 19 Mar 2005 01:16:18 GMT, W. Watson wrote:
>>>>
>>>>>Does it seem reasonable that a faulty power supply might cause my RHL 9 box to
>>>>>crash on occasion, once or twice a month? It crashed once again, and now crashes
>>>>>every time I get to the login after a reboot. I have to completely power down
>>>>>the computer to reboot. That is, I have to make sure the red LED on the
>>>>>motherboard is out, before attempting a reboot. Otherwise, I can't even get it
>>>>>to reboot.
>>>>
>>>>I would guess heat problem.
>>>>When was last time you cleaned cpu heat sink/fan.
>>>
>>>
>>>
>>> Swapping the PSU is the first thing I swap whenever I don't have a
>>> clue why a system is crashing.
>>>
>>> (After checking that all the fans in the system are running.)
>>>
>>> Next I reset the memory chips.
>>>
>>Interesing about the memory chips. How does one do that?
>>
>>--
>
>
> Typo. I meant re-seat.
>
> With suitable consideration for static, and with the chassis unplugged
> you eject each memory module and push it in again. You don't even have
> to remove it completely, just dislodge the rust and mouse
> droppings. <g>. This is a long-shot for the problem you describe.
>
> If it's a predictable as you describe (every time you get to the
> login) it's either software or a disk problem. Maybe the
> repeated crashes have scrambled something on disk.
>
> run fsck.

I gotta second that concept - always check the easiest things first. I'd
go beyond reseating the memory chips - I'd pull out everything I can on
the motherboard and reinsert it - including disk cables and pci cards -
even mouse and keyboard cables - everything. Then also try fsck on the
disk partitions. Then if it's still acting up, the next shot is probably
to swap power supplies and/or other components until the problem goes away
- if nothing gets rid of it, that would seem to point to a motherboard
component.

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