kern/38562: bridge_cfg=*dc0* ; kldload if_dc => panic SMP XXX

Tom Müller-Kortkamp tmueko at
Fri Jul 4 01:50:25 PDT 2003

The following reply was made to PR kern/38562; it has been noted by GNATS.

From: =?ISO-8859-1?Q?Tom_M=FCller-Kortkamp?= <tmueko at>
To: freebsd-gnats-submit at, ben at
Subject: Re: kern/38562: bridge_cfg=*dc0* ; kldload if_dc => panic SMP XXX
Date: Fri, 4 Jul 2003 10:42:03 +0200

 Same Problem
 I have the Panic-Massage, but no stack trace (as this a Production=20
 Server I had to switch to Netgraph-Bridge)
 The System was working with 4.7.
 trap 12: page fault while in kernel mode
 fault virtual address   =3D 0x10
 fault code              =3D supervisor read, page not present
 instruction pointer     =3D 0x8:0xc0196b7f
 stack pointer           =3D 0x10:0xc5fdddfc
 frame pointer           =3D 0x10:0xc5fdde08
 code segment            =3D base 0x0, limit 0xfffff, type 0x1b
                          =3D DPL 0, pres 1, def32 1, gran 1
 processor eflags        =3D interrupt enabled, resume, IOPL =3D 0
 current process         =3D 45 (sysctl)
 interrupt mask          =3D none
 trap number             =3D 12
 panic: page fault
 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=20
 FreeBSD 4.8-RELEASE #0: Wed Jul  2 17:56:49 CEST 2003
      root at
 Timecounter "i8254"  frequency 1193182 Hz
 CPU: AMD-K6tm w/ multimedia extensions (167.05-MHz 586-class CPU)
    Origin =3D "AuthenticAMD"  Id =3D 0x562  Stepping =3D 2
    AMD Features=3D0x400<<b10>>
 real memory  =3D 67108864 (65536K bytes)
 avail memory =3D 62046208 (60592K bytes)
 Preloaded elf kernel "kernel" at 0xc0347000.
 md0: Malloc disk
 npx0: <math processor> on motherboard
 npx0: INT 16 interface
 pcib0: <Host to PCI bridge> on motherboard
 pci0: <PCI bus> on pcib0
 isab0: <Intel 82371AB PCI to ISA bridge> at device 7.0 on pci0
 isa0: <ISA bus> on isab0
 atapci0: <Intel PIIX4 ATA33 controller> port 0xf000-0xf00f at device=20
 7.1 on pci0
 ata0: at 0x1f0 irq 14 on atapci0
 ata1: at 0x170 irq 15 on atapci0
 pci0: <Intel 82371AB/EB (PIIX4) USB controller> at 7.2 irq 11
 chip1: <Intel 82371AB Power management controller> port 0x6200-0x620f=20
 at device 7.3 on pci0
 pcib1: <DEC 21152 PCI-PCI bridge> at device 16.0 on pci0
 pci1: <PCI bus> on pcib1
 dc0: <Intel 21143 10/100BaseTX> port 0xe000-0xe07f mem=20
 0xdd000000-0xdd0003ff irq 11 at device 4.0 on pci1
 dc0: Ethernet address: 00:80:c8:b9:f0:1d
 miibus0: <MII bus> on dc0
 ukphy0: <Generic IEEE 802.3u media interface> on miibus0
 ukphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
 dc1: <Intel 21143 10/100BaseTX> port 0xe400-0xe47f mem=20
 0xdd001000-0xdd0013ff irq 10 at device 5.0 on pci1
 dc1: Ethernet address: 00:80:c8:b9:f0:1e
 miibus1: <MII bus> on dc1
 ukphy1: <Generic IEEE 802.3u media interface> on miibus1
 ukphy1:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
 dc2: <Intel 21143 10/100BaseTX> port 0xe800-0xe87f mem=20
 0xdd002000-0xdd0023ff irq 9 at device 6.0 on pci1
 dc2: Ethernet address: 00:80:c8:b9:f0:1f
 miibus2: <MII bus> on dc2
 ukphy2: <Generic IEEE 802.3u media interface> on miibus2
 ukphy2:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
 dc3: <Intel 21143 10/100BaseTX> port 0xec00-0xec7f mem=20
 0xdd003000-0xdd0033ff irq 12 at device 7.0 on pci1
 dc3: Ethernet address: 00:80:c8:b9:f0:20
 miibus3: <MII bus> on dc3
 ukphy3: <Generic IEEE 802.3u media interface> on miibus3
 ukphy3:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
 atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
 sio0 at port 0x3f8-0x3ff irq 4 flags 0x30 on isa0
 sio0: type 16550A, console
 sio1 at port 0x2f8-0x2ff irq 3 on isa0
 sio1: type 16550A
 ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
 ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
 lpt0: <Printer> on ppbus0
 lpt0: Interrupt-driven port
 BRIDGE 020214 loaded
 ipfw2 initialized, divert disabled, rule-based forwarding enabled,=20
 default to deny, logging disabled
 ad0: 12949MB <IBM-DJNA-371350> [26310/16/63] at ata0-master UDMA33
 Mounting root from ufs:/dev/ad0s1a
 WARNING: / was not properly dismounted
 Tom M=FCller-Kortkamp
 kommunity GmbH & Co. KG
 Goseriede 4
 30159 Hannover
 Tel: 0511/121085-350
 Fax: 0511/121085-399

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