Re: Strange system freezes - Help!

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Erik,

I'd take a stab at it and say perhaps you are running mis-matched
memory? is the kernel logger (dmesg) tell you anything? Does it crash?
netdump?

As far as getting the apache to spew, I think you mean:

telnet <servername> 80
GET

Ian


On Tue, 2003-11-04 at 17:56, Erik Williamson wrote:
> Hi All,
> 
> I've got a machine with the following description:
> Dell Precision 530
> Fully patched fedora
> Dual P4
> Alteon Gigabit nic
> Services running:  sshd, vsftpd, apache
> 
> Periodically, it goes (mostly) dead.  It looks like this:
> I can ping it.
> I can nmap it, and the services are all detected
> I cannot connect to any of the servers via a client (ie, ssh, ncftp, moz)
> I can telnet to the appropriate ports, and get connected. (I forget how to 
> make an http server spew to a telnet client, but I've done it before)
> Both the terminal (through kvm) and console (serial, through to a 
> concentrator on another machine) are dead in the water.
> If I unplug the fibre to the nic, the console + terminal report this.  
> same for when I replug it in.  Nothing happens with usb devices (just 
> trying to see about waking it up)
> 
> It's last uptime was a day and a half.  this is the third time it's 
> happened.  I'm about to do hardware diagnostics on it, but am 
> wondering if anyone has any idea about what else I should look at.
> 
> I power-cycled the machine and booted off of a rescue CD - mounting the 
> filesystems read-only - but there's nothing interesting that I can see (in 
> /var/log, that is).
> 
> If anyone knows of something I should look at, probable cause, etc - 
> please let me know. 
> 
> Thanks for any help - 
> Erik.
> 
> 
> e r i k   w i l l i a m s o n                     erik@xxxxxxxxxxxxxxxx
>  system admin . department of computer science . university of calgary
> 
> 
> 
> --
> fedora-list mailing list
> fedora-list@xxxxxxxxxx
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