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 :: Mailing Lists

[ILUG] Unexplained hangs ...

[ILUG] Unexplained hangs ...

Breathnach, Proinnsias (Dublin) breatpro at exchange.ie.ml.com
Thu Oct 10 12:00:03 IST 2002


It's essentially just a base install, and definately _not_ a hardware
problem, as the machine had (with a stock RH 7.2 kernel) regular 50 - 60 day
uptimes for the last six months, usually interrupted by power failures /
generator tests etc.

I'd also rather not go recompiling a kernel for the box, considering it's
the only linux box in the building, and is only a P133 <g>. There's
generally nothing in the stock kernels that would break this hardware
anyway...

There is one add-in card, and that's the PCI video card ... network is PCI
(Lance based) onboard, SCSI is onboard, HDD is scsi, no CD, no sound,
nothing fancy at all in fact ! HDD (/dev/sda) is fine from a quailty point
... so I'd be inclining towards a dodgy driver ... still need to know where
to look though !

Oh yeah ... I'd prefer minimal changes, as I'm testing / evaluating a stock
install (albeit on very old hardware !) so another reason to rule out the
kernel compile !


P

> -----Original Message-----
> > > > > Usual symptoms of a hang (including no response to keyboard (even
> > > SysRq
> > > > !!),
> > > > > __but__ the Caps-Lock and Scroll-Lock LEDs flash constantly ...
> 
> Hmm right.
> Have you tried simply doing the install of the base system and not
> configuring networking etc?
> 
> It sounds like you have a hardware problem, perhaps a few bad sectors or a
> an irq conflict somewhere. You could try removing ISA cards and simply
> running the box from a boot at the console, without running sshd or even
> brining up eth0 etc, just to see if it is the hardware, a kernel issue or
> something else.
> 
> Since it does sometimes boot all the way to a console though I'd be
> inclined
> to think it's not some module somewhere segmenting but, rather hardware.
> 
> Run gwscan or similar utility on the hard disk to verify it has no bad
> sectors, then start removing pci & isa cards, (otherwise) you should
> probably compile your own version of 2.4.19 with (just what you need and
> nothing else compiled in) assuming you are running the stock kernel
> supplied
> with SuSE.




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