Suddenly lots processes exits signal 11 (core dumped)

Mikael Bak mbak at
Tue Apr 26 14:53:45 UTC 2011

C. P. Ghost wrote:
> On Tue, Apr 26, 2011 at 4:02 PM, Mikael Bak <mbak at> 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.

Thanks fot the fast answer!

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

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.


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