Re: 6.1 - amd64 arch. Hangs twice a day, how can i debug problem
- From: Peter Jeremy <peterjeremy@xxxxxxxxxxxxxxxx>
- Date: Wed, 27 Jun 2007 05:10:32 +1000
On 2007-Jun-23 11:01:49 +0300, zkan KIRIK <ozkan@xxxxxxxxxxxxx> wrote:
I have a FreeBSD 6.1 - STABLE 200609 gateway have 3 up interfaces.
First one connected to 16Mbps Internet Connection,
Next onet connected to DMZ Zone (192.168.0.0/24 network)
The Last interface connected to Local network.
this system hangs twice a day. Keyboard doesnt work, everything locks, no
network reponse!
For a quick solution i wrote a crontab that reboots system at 20.00 PM &
06.00 AM.
How can I find the problem which hangs system? Is there any method for this.
This sort of thing is very difficult to debug. My suggestions would be:
- Check for flaky hardware - maybe run memtest86 overnight.
- Run one of the following:
while sleep 5; do date; vmstat -m; done
while sleep 5; do date; netstat -m; done
top
systat -v 2
on a VTY or a serial console and see when it's dying and what was
happening shortly before.
- Check if anything unusual (cron jobs or unusual external activity)
happens at the time it dies.
- You may be able to debug a frozen system via firewire
Or any known bug reports at this release ?
I don't recall this particuar problem being reported. That said, you
appear to be running a 9 month old -stable - have you considered
updating to either 6.2 or a more recent -stable?
--
Peter Jeremy
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- From: Özkan KIRIK
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