*BSD News Article 97717


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From: Hans Petter Bieker <hanspbie@idgonline.no>
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Fatal trap 12: page fault while in kernel mode
Date: 16 Jun 1997 11:07:26 +0200
Organization: IDG New Media - public internet service provider
Lines: 81
Sender: hanspbie@zerium.idgonline.no
Message-ID: <m3n2oq6hm9.fsf@zerium.idgonline.no>
NNTP-Posting-Host: oslo-2-14.newmedia.no
X-Newsreader: Gnus v5.3/Emacs 19.34
Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:42875

I'm running FreeBSD v2.2.2.

23:05:24 pe049 su: zerium to root on /dev/ttyp4
01:33:56 pe049 /kernel: nfs server pe049:/home: not responding
01:33:56 pe049 /kernel: Out of mbuf clusters - increase maxusers!
01:33:56 pe049 /kernel:
01:33:56 pe049 /kernel:
01:33:56 pe049 /kernel: Fatal trap 12: page fault while in kernel mode
01:33:56 pe049 /kernel: fault virtual address    = 0xc
01:33:57 pe049 /kernel: fault code               = supervisor write, page not pe not present
01:33:57 pe049 /kernel: instruction pointer      = 0x8:0xf0127507
01:33:57 pe049 /kernel: stack pointer            = 0x10:0xefbfff0c
01:33:57 pe049 /kernel: frame pointer            = 0x10:0xefbfff20
01:33:57 pe049 /kernel: code segment             = base 0x0, limit 0xfffff, type 0x1b
01:33:57 pe049 /kernel:                  = DPL 0, pres 1, def32 1, gran 1
01:33:57 pe049 /kernel: processor eflags = interrupt enabled, resume, IOPL = 0
01:33:57 pe049 /kernel: current process          = 21305 (ircd)
01:33:57 pe049 /kernel: interrupt mask           =
01:33:57 pe049 /kernel: panic: page fault
01:33:57 pe049 /kernel:
01:33:57 pe049 /kernel: syncing disks...
01:33:57 pe049 /kernel:
01:33:57 pe049 /kernel: Fatal trap 12: page fault while in kernel mode
01:33:57 pe049 /kernel: fault virtual address    = 0xc
01:33:58 pe049 /kernel: fault code               = supervisor write, page not present
01:33:58 pe049 /kernel: instruction pointer      = 0x8:0xf0170022
01:33:58 pe049 /kernel: stack pointer            = 0x10:0xefbffb74
01:33:58 pe049 /kernel: frame pointer            = 0x10:0xefbffb88
01:33:58 pe049 /kernel: code segment             = base 0x0, limit 0xfffff, type 0x1b
01:33:58 pe049 /kernel:                  = DPL 0, pres 1, def32 1, gran 1
01:33:58 pe049 /kernel: processor eflags = interrupt enabled, resume, IOPL = 0
[reboot]

kernel boot msg:
/kernel: Copyright (c) 1992-1997 FreeBSD Inc.
/kernel: Copyright (c) 1982, 1986, 1989, 1991, 1993
/kernel:  The Regents of the University of California.  All rights reserved.
/kernel:
/kernel: FreeBSD 2.2.2-RELEASE #0: Mon Jun  9 19:41:22 CEST 1997
/kernel:     root@pe049.persbraten.vgs.no:/usr/src/sys/compile/PE049
/kernel: CPU: i486 DX2 (486-class CPU)
/kernel:   Origin = "GenuineIntel"  Id = 0x435  Stepping=5
/kernel:   Features=0x3<FPU,VME>
/kernel: real memory  = 12582912 (12288K bytes)
/kernel: avail memory = 10559488 (10312K bytes)
/kernel: Probing for devices on the ISA bus:
/kernel: sc0 at 0x60-0x6f irq 1 on motherboard
/kernel: sc0: VGA color <16 virtual consoles, flags=0x0>
/kernel: sio0 at 0x3f8-0x3ff irq 4 on isa
/kernel: sio0: type 16450
/kernel: sio1 at 0x2f8-0x2ff irq 3 on isa
/kernel: sio1: type 16450
/kernel: lpt0 at 0x378-0x37f irq 7 on isa
/kernel: lpt0: Interrupt-driven port
/kernel: lp0: TCP/IP capable interface
/kernel: fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
/kernel: fdc0: NEC 765
/kernel: fd0: 1.44MB 3.5in
/kernel: wdc0 at 0x1f0-0x1f7 irq 14 on isa
/kernel: wdc0: unit 0 (wd0): <Conner Peripherals 850MB - CFS850A>
/kernel: wd0: 812MB (1664208 sectors), 1651 cyls, 16 heads, 63 S/T, 512 B/S
/kernel: wdc0: unit 1 (wd1): <Seagate Technology 1275MB - ST31276A>
/kernel: wd1: 1221MB (2501856 sectors), 2482 cyls, 16 heads, 63 S/T, 512 B/S
/kernel: 1 3C5x9 board(s) on ISA found at 0x300
/kernel: ep0 at 0x300-0x30f irq 10 on isa
/kernel: ep0: aui/bnc[*BNC*] address 00:20:af:54:c6:83
/kernel: npx0 on motherboard
/kernel: npx0: INT 16 interface

On 23:10 or so I was able to ping the machine, but I wasn't able to telnet,
rlgoin to it. rpcinfo was able to report which portmap services it was runing,
but non of them was responding. 

It looks like a hardware or kernel problem to me. Does anyone have any ideas?

-- 
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