Bug 17715

Summary:	io memory requests from pnp devices lands in video bios
Product:	Base System	Reporter:	nms <nms>
Component:	kern	Assignee:	Warner Losh <imp>
Status:	Closed FIXED
Severity:	Affects Only Me
Priority:	Normal
Version:	5.0-CURRENT
Hardware:	Any
OS:	Any

Description nms 2000-03-31 21:50:01 UTC

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.

Comment 1 Warner Losh freebsd_committer

2001-06-01 19:47:40 UTC

Responsible Changed
From-To: freebsd-bugs->imp

I'll fix PR/22078 and then close this bug.

Comment 2 Warner Losh freebsd_committer

2001-06-01 22:07:30 UTC

State Changed
From-To: open->closed

orm device will prevent this from happening.