[plug] interesting hardware? oddity
tomasz89 at gmail.com
Wed Apr 9 11:45:46 WST 2008
On Wed, Apr 9, 2008 at 11:39 AM, Denis Brown <dsbrown at cyllene.uwa.edu.au> wrote:
> Hello PLUG list members,
> One for the memoires I suspect :-)
> An old IBM chassis Pentium 4 with previously reliable hardware. Nuked it
> and loaded openSuSE 10.3 for use as a dhcp server. Bare bones - just ssh,
> dhcp and little else. BIOS set to allow it to run headless.
> All seemed fine for a while but it then started to "reject" ssh attempts.
> By "reject" I mean that it presented the "logon as:" prompt and accepted and
> displayed the (valid) username and a newline. But it then "froze" and did
> not present the password request. At this time, direct console access was
> also inoperative - no amount of key pressing would get it to "wake up" nor
> were any kernel panic light patterns present on the keyboard.
> I faffed around with it for a while, made sure updates were A-Okay, etc.
> There were no outward signs of distress and nothing in the logs to indicate
> Distro unhappy with the hardware for some reason?? Nuked it and loaded
> Debian Etch. This time I added Apache as much for PHP experimentation as
> anything else.
> Lo and behold, after about 12 hours the same deal - ssh logons present
> username request, echo the typed characters but no subsequent password
> request. I could, however, get Apache to show its test "It works!" page.
> And a small script running phpinfo also runs.
> I must have gotten to this one "early enough" in the failure mode because
> the keyboard was active. Able to log on (as root) and found I was able to
> do df, ps but - wait for it! - not top. Nothing that I can see is flaky in
> the logs.
> I have grabbed the latest memtest86 (inspired by several threads on memory
> here recently) and will hit it with that but it does not "feel" to me like a
> memory fault. Especially because Apache/PHP are active.
> Why would "top" not run, I wonder?????
> Suggestions appreciated. Maybe I'll just toss this one in the dumpster,
> but I am intrigued. CPU failure of some bizarre nature?
On the other hand, I need a P4, so perhaps throw it my way (or at
least in a dumpster near me)..
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