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Date: Wed, 02 Apr 2003 07:32:11 -0800
From: Terry Lambert <tlambert2@mindspring.com>
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To: Dmitry Sivachenko <mitya@cavia.pp.ru>
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cc: hackers@freebsd.org
Subject: Re: Repeated similar panics on -STABLE
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Dmitry Sivachenko wrote:
> On Wed, Apr 02, 2003 at 05:44:28PM +0400, Dmitry Sivachenko wrote:
> > Hello!
> >
> <snip>
> 
> > Fatal trap 12: page fault while in kernel mode
> > mp_lock = 01000002; cpuid = 1; lapic.id = 00000000
> > fault virtual address   = 0x5cdd8000
> > fault code              = supervisor read, page not present
> > instruction pointer     = 0x8:0xc015daff
> 
> BTW,
> 
> (kgdb) list *0xc015daff
> 0xc015daff is in malloc (/mnt/se3/releng_4/src/sys/kern/kern_malloc.c:244).
> 243             va = kbp->kb_next;
> 244             kbp->kb_next = ((struct freelist *)va)->next;

Yes, I know.  See analysis and patch and workaround.

-- Terry