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Date:      Sun, 10 Aug 2003 15:22:47 -0700 (PDT)
From:      Doug White <dwhite@gumbysoft.com>
To:        Daniela <dgw@liwest.at>
Cc:        stable@freebsd.org
Subject:   Re: Strange things going on with 4.8
Message-ID:  <20030810151936.Q69012@carver.gumbysoft.com>
In-Reply-To: <200308102227.51564.dgw@liwest.at>
References:  <200308102227.51564.dgw@liwest.at>

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On Sun, 10 Aug 2003, Daniela wrote:

> I'm having problems no end on my 4.8-STABLE box, and I hope you can help me.
>
> My processes get lots of signals (mostly 6, 10 and 11), and my kernel dumps
> core very often. I have the core dumps from the 4 latest crashes. See
> attachment for more info.
> Notice the common values for IdlePTD and initial pcb. Does this mean anything?

Not particularly ...

These types of problems are generally caused by:

1. Bad memory
2. Overheated processor, or some similar CPU fault
3. Bad memory

> 1) Some time ago KDE was hanging in disk wait state forever.

'inode'?

> 2) When rebuilding the world, make sometimes fails, but when I retry, it
> either works, or fails elsewhere. I have not seen this on -STABLE, only on
> 5.0-RELEASE (on the same computer).

5.0-R isn't very representative. You'd have to check against -current.

> I have already tested the memory (no errors). There weren't any problems with
> 4.6-RELEASE on my old box.

How did you test the memory? Generally short of using a hardware SIMM
tester its very difficult to identify bad modules. memtest86 run over the
period of several hours can sometimes work.

BIOS "tests" don't count.

-- 
Doug White                    |  FreeBSD: The Power to Serve
dwhite@gumbysoft.com          |  www.FreeBSD.org



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