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Date: Sat,  1 Apr 2000 00:45:54 +0400 (MSD)
From: nms@otdel-1.org
Reply-To: nms@otdel-1.org
To: FreeBSD-gnats-submit@freebsd.org
Subject: bios roms must be excluded from ISA memory space
X-Send-Pr-Version: 3.2

>Number:         17715
>Category:       kern
>Synopsis:       io memory requests from pnp devices lands in video bios
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    imp
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Mar 31 12:50:01 PST 2000
>Closed-Date:    Fri Jun 1 15:07:30 MDT 2001
>Last-Modified:  Fri Jun 01 15:07:50 MDT 2001
>Originator:     Nikolai Saoukh
>Release:        FreeBSD 5.0-CURRENT i386
>Organization:
>Environment:

	

>Description:

PNP device with the following config

IBM0000: start dependant
IBM0000: adding io range 0xa20-0xa23, size=0x4, align=0x4
IBM0000: start dependant
IBM0000: adding io range 0xa24-0xa27, size=0x4, align=0x4
IBM0000: end dependant
IBM0000: adding memory range 0xc0000-0xdffff, size=0x4000, align=0x4000
IBM0000: adding memory range 0xc8000-0xdffff, size=0x2000, align=0x2000
IBM0000: adding irq mask 0xe08

obtain first memory region at address 0xC0000, which is beginning of
Video BIOS.

>How-To-Repeat:

	

>Fix:

	


>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: freebsd-bugs->imp 
Responsible-Changed-By: imp 
Responsible-Changed-When: Fri Jun 1 12:47:40 MDT 2001 
Responsible-Changed-Why:  
I'll fix PR/22078 and then close this bug. 

http://www.FreeBSD.org/cgi/query-pr.cgi?pr=17715 
State-Changed-From-To: open->closed 
State-Changed-By: imp 
State-Changed-When: Fri Jun 1 15:07:30 MDT 2001 
State-Changed-Why:  
orm device will prevent this from happening. 

http://www.FreeBSD.org/cgi/query-pr.cgi?pr=17715 
>Unformatted:
