Re: tracking down lock ups in fedora


"Moe Trin" <ibuprofin@xxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:slrne1eofb.vss.ibuprofin@xxxxxxxxxxxxxxxxxxxx
On Mon, 13 Mar 2006, in the Usenet newsgroup comp.os.linux, in article
<YvmdnTBcaYDaHIjZnZ2dneKdnZydnZ2d@xxxxxxxxxxx>, a wrote:

I have fedora FC2 running on a PIII 800mhz.

FC2 was retired a while ago - are you keeping it up to date?

However, i moved it to a new physical location w/ a new IP address and
since then its been giving me problems. It locks up, usually overnight,
first weekly, now almost daily. The first thing i checked where the
backup scripts that i updated because of the new IP addresses of our
network. I looked at the logs and didn't see anything.

When you say it locks up - is this at the console, or are you just
loosing the network? What does it take to get things working again?
If this is a network problem, are you using DHCP and have lease updates
blocked by the firewall, or as it's a server have you got it on a static
IP like it should be?

It just stops responding to pings. sometimes while using it (web based
program), sometimes while not. Nothing has changed except the IP address.

Not enough data

How can i track down lockups in linux?

If the box itself is still running, stick a cron job to take a ps
snapshot, and the output of /sbin/ifconfig -a and /sbin/route -n to a
file. Come back with better details of what is working, and what is
not - how you restart it, and the like. Also look at the firewall
configuration.

I took your advise on the cron job. I found out it looked up at 4:11am. My
daily cron script runs at 4am. I started running all the scripts and found
00-logwatch locked up the computer. The screen remains frozen w/ the mouse
moving, but you can't click or type on anything. I'm nto sure the order
that the scripts run, but 00-logwatch is the first in alphabetically order,
but other scripts ran, like my database backup(named webbackup.sh), which
ran until 4:11 as well. Is it possible that the logwatch ran after the db
backup?


.

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