Date: Tue, 18 May 1999 12:20:05 -0700 (PDT) From: Steve Sapovits <steve.sapovits@platinum.com> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/10752: Kernel panic (?) trap 12: page fault while in kernel mode Message-ID: <199905181920.MAA43042@freefall.freebsd.org>
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The following reply was made to PR kern/10752; it has been noted by GNATS.
From: Steve Sapovits <steve.sapovits@platinum.com>
To: freebsd-gnats-submit@freebsd.org, seth@freebie.dp.ny.frb.org
Cc:
Subject: Re: kern/10752: Kernel panic (?) trap 12: page fault while in kernel
mode
Date: Tue, 18 May 1999 15:16:53 -0400
I'm also getting what appears to be a similar or identical panic.
I recently upgraded to 3.1 from 2.2.5. The panic started after a
few days and has recurred consistently every few days, sometimes
(infrequently) more than once per day. I run 3.1 on an old 486 I
use almost entirely as a gateway machine to access the internet and
my company's network. I also run an X Window manager (fvwm) off that
box most of the time.
Fault trap 12: fault while in kernel mode
fault virtual address = 0xb8
fault code = supervisor read, page not present
instruction pointer = 0x8:0xf0154817
stack pointer = 0x10:0xf028d9ac
frame pointer = 0x10:0xf028d9c0
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres1, def321, gran 1
processor flags = interrupt enabled, resume, IOPL = 0
current process = Idle
interrupt mask = net tty bio cam
trap number = 12
panic: page fault
May 18 09:26:49 lowly /kernel: Copyright (c) 1992-1999 FreeBSD Inc.
May 18 09:26:49 lowly /kernel: Copyright (c) 1982, 1986, 1989, 1991, 1993
May 18 09:26:49 lowly /kernel: The Regents of the University of California. Allrights reserved.
May 18 09:26:49 lowly /kernel: FreeBSD 3.1-RELEASE #4: Sun Apr 18 08:01:58 EDT 1999
May 18 09:26:49 lowly /kernel: root@frumble.busytown.org:/usr/src/sys/compile/lowly
May 18 09:26:49 lowly /kernel: Timecounter "i8254" frequency 1193182 Hz
May 18 09:26:49 lowly /kernel: CPU: i486DX (486-class CPU)
May 18 09:26:49 lowly /kernel: real memory = 16777216 (16384K bytes)
May 18 09:26:49 lowly /kernel: avail memory = 13520896 (13204K bytes)
May 18 09:26:50 lowly /kernel: Preloaded elf kernel "kernel" at 0xf030d000.
May 18 09:26:50 lowly /kernel: Probing for devices on the ISA bus:
May 18 09:26:50 lowly /kernel: sc0 on isa
May 18 09:26:50 lowly /kernel: sc0: VGA color <16 virtual consoles, flags=0x0>
May 18 09:26:50 lowly /kernel: ed0 at 0x300-0x31f irq 9 on isa
May 18 09:26:50 lowly /kernel: ed0: address 00:c0:93:00:b1:72, type NE2000 (16 bit)
May 18 09:26:50 lowly /kernel: atkbdc0 at 0x60-0x6f on motherboard
May 18 09:26:50 lowly /kernel: atkbd0 irq 1 on isa
May 18 09:26:51 lowly /kernel: sio0 at 0x3f8-0x3ff irq 4 flags 0x10 on isa
May 18 09:26:51 lowly /kernel: sio0: type 16450
May 18 09:26:51 lowly /kernel: sio2 at 0x3e8-0x3ef irq 5 on isa
May 18 09:26:51 lowly /kernel: sio2: type 16550A
May 18 09:26:51 lowly /kernel: fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
May 18 09:26:51 lowly /kernel: fd0: 1.44MB 3.5in
May 18 09:26:51 lowly /kernel: fd1: 1.2MB 5.25in
May 18 09:26:51 lowly /kernel: wdc0 at 0x1f0-0x1f7 irq 14 on isa
May 18 09:26:51 lowly /kernel: wdc0: unit 0 (wd0): <Conner Peripherals 85MB - CP30084E>
May 18 09:26:51 lowly /kernel: wd0: 81MB (166152 sectors), 903 cyls, 4 heads, 46 S/T, 512
May 18 09:26:51 lowly /kernel: B/S
May 18 09:26:51 lowly /kernel: wdc0: unit 1 (wd1): <Conner Peripherals 210MB - CP3201>
May 18 09:26:52 lowly /kernel: wd1: 203MB (415872 sectors), 684 cyls, 16 heads,38 S/T, 512 B/S
May 18 09:26:52 lowly /kernel: ppc0 at 0x378 irq 7 on isa
May 18 09:26:52 lowly /kernel: ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
May 18 09:26:52 lowly /kernel: nlpt0: <generic printer> on ppbus 0
May 18 09:26:52 lowly /kernel: nlpt0: Interrupt-driven port
May 18 09:26:52 lowly /kernel: ppi0: <generic parallel i/o> on ppbus 0
May 18 09:26:52 lowly /kernel: plip0: <PLIP network interface> on ppbus 0
May 18 09:26:52 lowly /kernel: vga0 at 0x3b0-0x3df maddr 0xa0000 msize 131072 on isa
May 18 09:26:52 lowly /kernel: npx0 on motherboard
May 18 09:26:52 lowly /kernel: npx0: INT 16 interface
May 18 09:26:52 lowly /kernel: IP packet filtering initialized, divert enabled,rule-based forwarding disabled, default to accept, logging disabled
May 18 09:26:53 lowly /kernel: changing root device to wd0s1a
--
Steve Sapovits | PLATINUM technology | steve.sapovits@platinum.com
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