I second the idea that this is a RAM issue.

Power down, ground yourself, remove and re-seat the RAM and see if the problem goes away.

On 04/26/2011 07:35, Mikael Bak wrote:
C. P. Ghost wrote:
On Tue, Apr 26, 2011 at 4:02 PM, Mikael Bak<m...@inbox.lv>  wrote:
Hi list,

I have a system running FreeBSD 7.3. Its main function is running
Postfix SMTP server and a few perl based content filters. Nothing exotic
really.

It has been nicely up and running approx 150 days when it suddenly
starts behaving very strange.

First I noticed a converter script failing. It is basically a small
shell script that converts a quite big file replacing a few words using
sed. The output is mostly damaged.

Another problem is that lots of processes exits signal 11 (core dumped).
And I need to restart them by hand. See dmesg output below.

I know I don't give you guys much to go on. I just want to know it it's
possible to find out somehow if some hardware is failing and must be
changed.

My first thought was overheating. But my collegue went to the site and
he said the hardware is not hot at all.
If you didn't update the OS or the apps, it is almost certainly hardware-
related. Probably a bad PSU, or bad RAM. The box doesn't have to
overheat when one of those are degraded.

Hi,
Thanks fot the fast answer!

The OS is regularly updated with "freebsd-update", but only within 7.3
version.

The apps are regularly updated with "portmaster".

So I can't say nothig's ever changed. But I can only say that this is
the only machine I've ever seen behave like this.

TIA,
Mikael

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