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Date: Mon, 9 Aug 1999 00:06:26 +0900 (JST)
From: sanpei@sanpei.org
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Subject: i386/13028: [APM] kernel panic with apm command(Sotec WinBookPro).
Sender: owner-freebsd-bugs@FreeBSD.ORG
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>Number:         13028
>Category:       i386
>Synopsis:       [APM] kernel panic with apm command(Sotec WinBookPro).
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Aug  8 08:10:00 PDT 1999
>Closed-Date:
>Last-Modified:
>Originator:     MIHIRA Yoshiro
>Release:        FreeBSD 4.0-19990806-CURRENT i386
>Organization:
Keio Univ.
>Environment:

FreeBSD sunflower.sanpei.org 4.0-19990806-CURRENT FreeBSD 4.0-19990806-CURRENT #1: Sun Aug  8 14:30:53 JST 1999     sanpei@sunflower.sanpei.org:/usr/src/sys/compile/PCCARD  i386

>Description:

  I have Sotec WinBookPro NOTE-PC(486DX4-100MHz).
I play with apm enabled kernel.
  But when I execute apm command, kernel panic.....

[probed message]
apm0: <APM BIOS> on motherboard
apm: APM BIOS version 0101
apm: Code16 0xc00f0000, Data 0xc00f0000
apm: Code entry 0x0000b321, Idling CPU disabled, Management disabled
apm: CS_limit=0xffff, DS_limit=0xffff
apm: found APM BIOS v1.1, connected at v1.0
apm: Slow Idling CPU disabled

[command log]
% apm
APM version: 1.0
APM Management: Enabled
AC Line Status: on-line
Battery status: charging
Remaining battery life: unknown
Remaining battery time: unknown
Number of batteries: 0
APM ioctl: cmd = 0x4040500b
APM ioctl: cmd = 0xc018500a

Fatal trap 12: page fault while in 
fault virtual address	= 0x2e
fault code		= supervisor read, page not present
instruction pointer	= 0x50:0x466
stack pointer	        = 0x10:0xc4780d0a
frame pointer	        = 0x10:0xc02a000c
code segment		= base 0xc00f0000, limit 0xffff, type 0x1b
= DPL 0, pres 1, def32 0, gran 0
processor eflags	= interrupt enabled, resume, IOPL = 0
current process		= 289 (apm)
interrupt mask		= none
trap number		= 12
panic: page fault

  This problem was first appeared at FreeBSD-3.0.  With FreeBSD-2.2,
I did not have any problems about apm command.

>How-To-Repeat:

	see above description

>Fix:
	

>Release-Note:
>Audit-Trail:
>Unformatted:


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