Date: Wed, 22 Dec 1999 09:36:53 -0800 (PST) From: Steven Kehlet <kehlet@techfuel.com> To: Sheldon Hearn <sheldonh@uunet.co.za> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: weird hangs: networking hosed (except for ping), can switch consoles but can't type Message-ID: <Pine.LNX.4.10.9912220928190.9458-100000@phoenix.techfuel.com> In-Reply-To: <29181.945860885@axl.noc.iafrica.com>
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Thanks! :-) Good questions and I forgot to mention answers to them.
What is weird is there are no hints in /var/log/messages--there are the
normal system messages and then just nothing when the box hangs.
I do have a monitor and keyboard on the box, but unfortunately when you
walk over to it there aren't any weird messages or errors on the screen.
And then--here's the *really* weird part--you can Alt-F1, F2, etc between
virtual console screens but nothing else works--nothing you type shows
up on the screen. I don't know if Ctl-Alt-Del would work because I have
that turned off in the kernel (too many NT admins near my box... ;-) ).
Steve
On Wed, 22 Dec 1999, Sheldon Hearn wrote:
> Date: Wed, 22 Dec 1999 13:08:05 +0200
> From: Sheldon Hearn <sheldonh@uunet.co.za>
> To: Steven Kehlet <kehlet@techfuel.com>
> Cc: freebsd-questions@FreeBSD.ORG
> Subject: Re: weird hangs: networking hosed (except for ping),
can switch consoles but can't type
>
>
>
> On Tue, 21 Dec 1999 10:32:19 PST, Steven Kehlet wrote:
>
> > However recently, it's been having weird hangs about once every week
> > to two weeks. All the sudden all network services appear to be
> > hosed. You can ping the box. You can telnet to it, at which point
> > the connect succeeds, but the banner and login prompt never appear.
> > Mail and web services behave similarly--you can connect to the port
> > but the service doesn't respond. You step over to the console, and
> > you can Alt-F? to switch consoles. However nothing else you type gets
> > registered.
>
> Have you looked in /var/log/messages on the problematic machine? Any
> hints there, perhaps?
>
> If not, I'd suggest you leave top running on a virtual console so that
> you can walk over to the machine and see what's happening in terms of
> resource utilization.
>
> Ciao,
> Sheldon.
>
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