From owner-freebsd-bugs  Wed Jul  4  8: 1:22 2001
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Date: Wed, 4 Jul 2001 10:01:16 -0500
From: mikea <mikea@mikea.ath.cx>
To: gnats-admin@FreeBSD.org, freebsd-bugs@FreeBSD.org
Subject: Re: i386/28550: Boot: Fatal Trap 12: page fault while in kernel mode
Message-ID: <20010704100116.A10740@mikea.ath.cx>
References: <200106301908.f5UJ8JP85833@mikea.ath.cx> <200106301910.f5UJA1q62191@freefall.freebsd.org>
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In-Reply-To: <200106301910.f5UJA1q62191@freefall.freebsd.org>; from gnats-admin@FreeBSD.org on Sat, Jun 30, 2001 at 12:10:01PM -0700
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On Sat, Jun 30, 2001 at 12:10:01PM -0700, gnats-admin@FreeBSD.org wrote:
> Thank you very much for your problem report.
> It has the internal identification `i386/28550'.
> The individual assigned to look at your
> report is: freebsd-bugs. 
> 
> You can access the state of your problem report at any time
> via this link:
> 
> http://www.freebsd.org/cgi/query-pr.cgi?pr=28550
> 
> >Category:       i386
> >Responsible:    freebsd-bugs
> >Synopsis:       Boot: Fatal Trap 12: page fault while in kernel mode
> >Arrival-Date:   Sat Jun 30 12:10:00 PDT 2001
---end quoted text---

Additional info:

trace from inside debugger

bcmp(c041b880,c0398f04,c22148dc) at bcomp+0x16
le_probe(c22148c0,c2213900,c21de0e0,c2213900,c22148c0) at le_probe+0xb8
isa_compat_probe(c2213900,c04d2bd0,c01b1235,c2213900,c2213900) at isa_compat_probe+0x1bf
DEVICE_PROBE(c2213900,c2213900,c21eee80,0,1) at DEVICE_PROBE+0x2e
device_probe_child(c21eee80,c2213900,c2213900,c04d2c18,15) at device_probe_child+0xc1
device_probe_and_attach(c2213900) at device_probe_and_attach+0x3d
isa_probe_children(c21eee80) at isa_probe_children+0xde
configure(0,4d0c00,4da000,0,c012bd99) at configure+0x41
mi_startup(0,0,0,0,0) at mi_startup+0x41
begin() at begin+0x68

show registers

cs	0x8			gd_npxproc
ds	0xc04d0010 	
es	0xc0120010
ss	0x10		gd_switchtime
eax	0
ecx	0x1
edx	0x5			gd_curproc+0x1
ebx	0
esp	0xc04d2ae0
ebp	0xc04d2b0c
esi	0x4006		gd_astpending+0x3f3e
eip	0xc0324906	bcmp+0x16
efl	0x90202

bcmp+0x16 repe cmpsl		(%esi),%esi(%edi)

Hope this helps.

-- 
Mike Andrews
mikea@mikea.ath.cx
Tired old sysadmin since 1964

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