Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 16 Jun 2006 19:17:08 -0700
From:      Micah <micahjon@ywave.com>
To:        Matthew Navarre <mnavarre@cox.net>
Cc:        questions@freebsd.org
Subject:   Re: Random panics on FreeeBSD 6.0
Message-ID:  <44936624.80801@ywave.com>
In-Reply-To: <DED9F0AB-B6A7-4769-8EB9-DD5D9F9AC094@cox.net>
References:  <DED9F0AB-B6A7-4769-8EB9-DD5D9F9AC094@cox.net>

next in thread | previous in thread | raw e-mail | index | archive | help
Matthew Navarre wrote:
> I've got an AMD Sempron machine running FreeBSD 6.0 that's been 
> experiencing random panics while trying to build world. In fact it just 
> paniced now, with no activity.
> 
> The panic message is TPTE at 0xbfc20624 IS ZERO @ VA 08100000
> bad pte
> 
> This started last night while I was portupgrading ruby and I got random 
> apps segfaulting, mostly gcc, so I suspected bad memory. I installed new 
> memory today, tried to buildworld. And *BAM* panic: bad pte
> 
> I'm still guessing that this is a hardware problem, and not software but 
> I'm not sure. If anyone can give me a clue I'd appreciate it.
> 
> Machine details:
> AMD Sempron
> ECS K8M800-M2 mainboard
> 1 GB Kingston PC-3200.
> 
> Thanks,
> Matt

First, a quick Google of "bad pte" turns up some ideas. Try disabling or 
changing APIC and/or ACPI settings.  Make sure your swap partition is 
error free and has enough room.  Google a bit more just on the 
lists.freebsd.org site for several possibilities.

For hardware, you can try memtest86+ to check to make sure the new 
memory is good. There are other stress tests you can run as well - I 
usually use the ultimate boot CD for that stuff. Other possible problems 
are faulty or too small power supply; too much heat on CPU, RAM, or 
expansion boards; faulty expansion cards and/or components; or faulty 
hard drive.

HTH,
Micah



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?44936624.80801>