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Date:      Fri, 08 Aug 1997 01:44:10 -0600
From:      Steve Passe <smp@csn.net>
To:        "Thomas D. Dean" <tomdean@ix.netcom.com>
Cc:        current@FreeBSD.ORG
Subject:   Re: Trap 9 When Boot SMP 
Message-ID:  <199708080744.BAA27307@Ilsa.StevesCafe.com>
In-Reply-To: Your message of "Thu, 07 Aug 1997 20:42:03 PDT." <199708080342.UAA00262@celebris.tddhome> 

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Hi,

> I get a trap 9 when I try to run an SMP kernel.  I tried -current
> and 3.0-970618-SNAP,  with similar results.

don't bother playing with the 618 SNAP, its very different from current
and not worth debugging.

---
>  MP default config type: 5
>
>   bus: ISA+PCI, APIC: Integrated

we see very few default config type boards, and they frequently get "broken"
as I have no way to test for them.

---
> Fatal Trap 9: general protection fault while in kernel mode
 
smells like we don't have the per-cpu pages set up properly for a default
config. 

using current build an SMP-GENERIC kernel.  make sure options ddb is set
(I'm pretty sure SMP-GENERIC already sets it, but check).

when you trap to ddb on the panic do a "trace" command and send us the
results.

--
Steve Passe	| powered by 
smp@csn.net	|            Symmetric MultiProcessor FreeBSD





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