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Date:      Wed, 06 Jun 2001 18:39:45 +0100
From:      Pete French <pfrench@firstcallgroup.co.uk>
To:        stable@FreeBSD.ORG
Subject:   Odd frezzes  on a Compaq Proliant
Message-ID:  <E157hHV-0001CF-00@dilbert.fcg.co.uk>

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This is a problem that I thought had gone away with the latest
stable, but apprently not.

We have a Compaq Proliant machine, running an SMP kernel of 4.3-STABLE
form shortly after 4.3-RELEASE came out. It has two Thunderlan cards, a
ciuple of SCSI cards and is completel.y idle as we are not actually using it
for anything just yet - I need to convince myself that it is stable
before putting anythign serious onto it.

The box will run fne for a period betwen a few hours and a few weeks. At
this point it semi freezes. I say semi because the symptoms are very odd.
Hitting return does not produce a login prompt. but you can ping the machine
so something is running. In fact you can not only ping it, but yu can even
open TCP connections to it and the cnnection succeds. No program on the
other end ever respnds however. telnet produces the usual
Trying 172.254.254.200...

Connected to tixlink1.
Escape character is '^]'.

but nothign else, and a similar result is observed from connecting
to the SMTP port or any other port on which things are listening.

Examinign the logs after a reboot yields no information - theres nothing
in there to indicate what has gone wrong. Sometimes a reboot arrives at
exactly the same situation immediately, however.

Has anybody seen anything similar ? Can anybody suggest a way of setting
about debugging this ?

-pcf. [it also happens on non-SMP kernels as well by the way]

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