Subject: Re: Crashes in 1.3.3 indicate faulty hardware?
To: Manuel Bouyer <bouyer@antioche.lip6.fr>
From: Dave Burgess <burgess@neonramp.com>
List: port-i386
Date: 02/21/1999 14:47:01
At 05:11 PM 1/27/99 +0100, Manuel Bouyer wrote:
>On Jan 27, Bernd Sieker wrote
>> 
>> I sometimes get a kernel panic for no reason that I can see, I can not
>> reproduce the circumstances that cause it.
>> 
>> The dmesg output from the dump is this:
>> 
>> 
>> vm_fault(0xf02a6000, f09b5000, 3, 0) -> 1
>> fatal page fault in supervisor mode
>> trap type 6 code 2 eip f0193837 cs 8 eflags 10206 cr2 f09b51fc cpl 0
>> panic: trap
>> 
>> Could this indicate a bad or unstable hardware configuration?
>
>Well, I have a box which occasionnaly crash this way, even when it's
>mostly idle (just running the rc5-des software). An identical box, used
>the same way is rock solid. So I definitively suspect hardware for my problem
>(these are cyrix p166+ based boxes with asus motherboard, edo RAM).
>An extensive memory test for 3 full days didn't show any problems.
>I changed the EDO for a 64Mb SDRAM module, this didn't solve the problem.
>So there are many other things that can be bad (motherboard, cache, CPU,
...).

I used to get this problem on my machine a few times a week.  It went away
when I switched from a single DIMM to a pair of DIMMs.  I don't know why.
I was originally going to just swap the DIMMs, but I could afford it and
the problem went away....


>
>--
>Manuel Bouyer, LIP6, Universite Paris VI.           Manuel.Bouyer@lip6.fr
>--
>
>
--
Dave Burgess                   Network Engineer - Nebraska On-Ramp, Inc.
*bsd FAQ Maintainer / SysAdmin for the NetBSD system in my spare bedroom
"Just because something is stupid doesn't mean there isn't someone that
doesn't want to do it...."