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DragonFly bugs List (threaded) for 2005-06
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page fault on 1.2.0-RELEASE


From: Chuck Tuffli <chuck_tuffli@xxxxxxxxxxx>
Date: Sun, 12 Jun 2005 15:00:52 -0700

I'm trying to install 1.2.0-RELEASE on a new x86 system (4-way Xeon
based machine) but am getting a page fault very early during the boot
of the kernel. Below is the output via comconsole with
boot_verbose=yes (also, any idea why trace is showing (null) instead
of the stack entries?).

I tried both disabling ACPI and 'safe mode' but neither worked.
FreeBSD 4.11 installs and boots ok (as did DF 1.0a if I recall
correctly). a dmesg from 4.11 is here
http://www.tuffli.net/ripper.dmesg


SMAP type=01 base=00000000 00000000 len=00000000 0009fc00
SMAP type=02 base=00000000 0009fc00 len=00000000 00000400
SMAP type=02 base=00000000 000a0000 len=00000000 00060000
SMAP type=01 base=00000000 00100000 len=00000000 3f95f000
SMAP type=02 base=00000000 3fa5f000 len=00000000 00027000
SMAP type=01 base=00000000 3fa86000 len=00000000 0003c000
SMAP type=04 base=00000000 3fac2000 len=00000000 00044000
SMAP type=01 base=00000000 3fb06000 len=00000000 0000e000
SMAP type=03 base=00000000 3fb14000 len=00000000 00012000
SMAP type=01 base=00000000 3fb26000 len=00000000 000da000
SMAP type=02 base=00000000 fffa0000 len=00000000 0000c000
Copyright (c) 2003, 2004, 2005 The DragonFly Project.
Copyright (c) 1992-2003 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
	The Regents of the University of California. All rights reserved.


Fatal trap 12: page fault while in kernel mode
fault virtual address	= 0x50
fault code		= supervisor read, page not present
instruction pointer	= 0x8:0xc0259a55
stack pointer	        = 0x10:0xc0694b38
frame pointer	        = 0x10:0xc0694b58
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, def32 1, gran 1
processor eflags	= interrupt enabled, resume, IOPL = 0
current process		= 0 (thread0)
current thread          = pri 44 (CRIT)
interrupt mask		= net tty bio cam 
kernel: type 12 trap, code=0
Stopped at      0xc0259a55:     orl     0xc(%eax),%esi
db> trace
(null)(44,1,0,c04ed420,c04ed2a0) at 0xc0259a55
(null)(c0694c10,c081b000,2,c0694c14,c0694c08) at 0xc039b961
(null)(0,c081b000,2,0,c) at 0xc03959d6
(null)(c0694cc4,0,c081b00c,ffffffff,0) at 0xc04103de
(null)(18,10,c0810010,c081aff0,0) at 0xc0410088
(null)(3d000,0,c0512fc0,c04c5d48,69f000) at 0xc03ff67b
(null)(69f000,3fbf8000,c081a000,c0694d98,c0249b18) at 0xc039f967
(null)(0,691c00,69f000,0,c013c18c) at 0xc039750b
(null)(691000,0,0,0,0) at 0xc0249b18
(null)() at 0xc013c18c

-- 
Chuck Tuffli
Agilent Technologies



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