[lug] Unable to cleanly reboot

[D. Stimits]

Michael Deck wrote:
> 
> On Thursday 18 October 2001 04:06 pm, you wrote:
> > On Thu, 18 Oct 2001, D. Stimits wrote:
> > > Michael Deck wrote:
> > > > Help! I'm unable to reboot my Linux box without a hard reset (and fsck
> > > > all drives).
> >
> > I have been reading all the threads on this. I am not as proficient at
> > Linux as I would like, but I have a few questions.
> >
> > I have found that when a box hangs on init 6 that a few things can cause
> > this:
> > 1. Have you checked any error logs that might help you understand?
> > 2. If you are constantly having to fsck (normal on a hard shutdown) have
> > you seen any read/write errors on your disks? I have seen a box hang on a
> > reboot when the kernel cannot stat/poll the devices. I have seen odd
> > behavior on a box with bad disk.
> 
> How would I detect this? We're dealing with a 40G drive that has been working
> reliably for several months, but when I install a new OS it starts to throw
> errors? Possible, but I'm suspicious.

Scroll around in /var/log/messages. Also other /var/log/ logs that might
be relevant, especially boot.log and cron.

D. Stimits, stimits at idcomm.com

> 
> > 3. I realize that many people are looking at iterrupt contention on the
> > cpu, but have you noticed anything similar before you decided on the
> > change?
> 
> Nothing I regret more than deciding to change. Two days of zero billable
> hours and I'm still not up and running.
> 
> > 4. Are there any 'patch-related' issues on a support site that you
> > may have to take into consideration to make this work?
> 
> I've been searching Google, RedHat, etc. but am striking out.
> 
> > 5. You could indeed have bad media.
> 
> Yes, that's true but why would two sets of disks both be the same bad?
> 
> > 6. I get the impression that the problem with the reboot happened AFTER the
> > change, but have you seen it before?
> 
> No, but as I say it was a pretty big change...
> 
> >
> > Sorry. Not much help without being hands-on.
> >
> > Good luck,
> >
> > Bill
> 
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