Strange system freezes - Help!
ihoward at uwaterloo.ca
Tue Nov 4 23:08:55 UTC 2003
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?
As far as getting the apache to spew, I think you mean:
telnet <servername> 80
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 -
> e r i k w i l l i a m s o n erik at cpsc.ucalgary.ca
> system admin . department of computer science . university of calgary
> fedora-list mailing list
> fedora-list at redhat.com
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