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Date: Sun, 1 Jun 1997 20:06:21 -0400 (EDT)
From: ahd@kew.com
Reply-To: ahd@kew.com
To: FreeBSD-gnats-submit@freebsd.org
Subject: ed0 bad memory addr causes panic during boot
X-Send-Pr-Version: 3.2

>Number:         3745
>Category:       kern
>Synopsis:       Use of ed0 with buff addr of C8000 causes panic in default kernel
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    freebsd-bugs
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Jun  1 17:10:00 PDT 1997
>Closed-Date:    Fri Jul 3 01:54:32 PDT 1998
>Last-Modified:  Fri Jul  3 02:01:23 PDT 1998
>Originator:     Drew Derbyshire
>Release:        FreeBSD 2.2.1-RELEASE i386
>Organization:
Kendra Electronic Wonderworks
>Environment:

	Booting default (install) kernel on Pentium with SMC Ultra Elite
	configured at 0x240, IRQ 11, memory address C8000; kernel
	defaults are 0x280, IRQ 5, memory address D8000.

>Description:

	The specified configuration causes a kernel panic as soon
	as the kernel editor is used to change the I/O and IRQ addresses
	to match the the card (not that in 2.2.1, the buffer address
	cannot be edited.  A distinct PR has been filed on this 
	omission.)

>How-To-Repeat:

	Boot as specified above, watch the crash.

>Fix:
	
	Unknown.

>Release-Note:
>Audit-Trail:

From: David Greenman <dg@root.com>
To: ahd@kew.com
Cc: FreeBSD-gnats-submit@FreeBSD.ORG
Subject: Re: kern/3745: ed0 bad memory addr causes panic during boot 
Date: Sun, 01 Jun 1997 17:48:13 -0700

 >	Booting default (install) kernel on Pentium with SMC Ultra Elite
 >	configured at 0x240, IRQ 11, memory address C8000; kernel
 >	defaults are 0x280, IRQ 5, memory address D8000.
 
    That should be 0xc8000 ...is that what you specified?
 
 -DG
 
 David Greenman
 Core-team/Principal Architect, The FreeBSD Project

From: "Drew Derbyshire" <ahd@kew.com>
To: dg@root.com
Cc: FreeBSD-gnats-submit@FreeBSD.ORG
Subject: Re: kern/3745: ed0 bad memory addr causes panic during boot 
Date: Sun, 01 Jun 1997 23:25:10 -0500

 On Sun, 01 Jun 1997 17:48:13 -0700, "David Greenman" <dg@root.com> wrote:
 > >	Booting default (install) kernel on Pentium with SMC Ultra Elite
 > >	configured at 0x240, IRQ 11, memory address C8000; kernel
 > >	defaults are 0x280, IRQ 5, memory address D8000.
 >
 >    That should be 0xc8000 ...is that what you specified?
 
 No, I'm saying the physical machine didn't match the configuration
 (since you can't edit that part of the configuration at boot any more).
 
 I believe in previous releases the card might timeout or otherwise not
 work, but it didn't crash the machine.
 
 One would prefer the driver does what the SMC NDIS drivers do, which is
 ask the card; I really other cards, such as true NE2000's, may not allow
 asking the card where the memory is.
 
 -ahd-
 -- 
 Internet:       ahd@kew.com             Voice:          617-279-9810
 
 "Debug is human, de-fix divine."
State-Changed-From-To: open->closed 
State-Changed-By: phk 
State-Changed-When: Fri Jul 3 01:54:32 PDT 1998 
State-Changed-Why:  
As part of our PR audition campaign, this PR has been closed.  The subject 
does not seem likely to ever gain any attention, and consequently I have 
chosen to close the PR, rather than have it clutter up the PR database. 

We apologize for late response to this PR. 
>Unformatted:
