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Date:      Tue, 04 Jan 2000 09:06:14 +0000
From:      Alex <ak@freenet.co.uk>
To:        freebsd-current@freebsd.org
Subject:   Ouch!  Something broke (possibly ATA)
Message-ID:  <3871B806.79F8AE2B@freenet.co.uk>

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Today's -current:

Copyright (c) 1992-2000 The FreeBSD Project.
Copyright (c) 1982, 1986, 1989, 1991, 1993
        The Regents of the University of California. All rights
reserved.
FreeBSD 4.0-CURRENT #21: Tue Jan  4 08:00:34 GMT 2000
Timecounter "i8254"  frequency 1193182 Hz
CPU: AMD-K6(tm) 3D processor (333.35-MHz 586-class CPU)
  Origin = "AuthenticAMD"  Id = 0x58c  Stepping = 12
  Features=0x8021bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,PGE,MMX>
  AMD Features=0x80000800<SYSCALL,3DNow!>
real memory  = 134217728 (131072K bytes)
avail memory = 126709760 (123740K bytes)
Preloaded elf kernel "kernel.test" at 0xc02e2000.
VESA: v2.0, 4096k memory, flags:0x0, mode table:0xc0294fa0 (1000040)
VESA: CHIPS 6x555 Super VGA
npx0: <math processor> on motherboard
npx0: INT 16 interface
apm0: <APM BIOS> on motherboard
apm: found APM BIOS v1.2, connected at v1.2
pcib0: <Host to PCI bridge> on motherboard
pci0: <PCI bus> on pcib0
isab0: <Intel 82371AB PCI to ISA bridge> at device 1.0 on pci0
isa0: <ISA bus> on isab0
ata-pci0: <Intel PIIX4 ATA-33 controller> at device 1.1 on pci0
ata-pci0: Busmastering DMA supported
ata0 at 0x01f0 irq 14 on ata-pci0
ata1 at 0x0170 irq 15 on ata-pci0
pci0: Intel 82371AB/EB (PIIX4) USB controller (vendor=0x8086,
dev=0x7112) at 1.2
chip1: <Intel 82371AB Power management controller> at device 1.3 on pci0
vga-pci0: <Chips & Technologies model 00e5 VGA-compatible display
device> at device 6.0 on pci0
pcic-pci0: <TI PCI-1131 PCI-CardBus Bridge> at device 7.0 on pci0
pcic-pci1: <TI PCI-1131 PCI-CardBus Bridge> at device 7.1 on pci0
fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f7 irq 6 drq 2 on isa0
fdc0: FIFO enabled, 8 bytes threshold
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
atkbdc0: <keyboard controller (i8042)> at port 0x60-0x6f on isa0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: model Generic PS/2 mouse, device ID 0
vga0: <Generic ISA VGA> at port 0x3b0-0x3df iomem 0xa0000-0xbffff on
isa0
sc0: <System console> on isa0
sc0: VGA <16 virtual consoles, flags=0x200>
pcic0: <VLSI 82C146> at irq 10 on isa0
pccard0: <PC Card bus -- kludge version> on pcic0
pccard1: <PC Card bus -- kludge version> on pcic0
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 16550A
sio1: not probed (disabled)
sio2: configured irq 3 not in bitmap of probed irqs 0
sio2 at port 0x3e8-0x3ef irq 3 on isa0
sio2: type 16550A
ppc0 at port 0x378-0x37f irq 7 flags 0x40 on isa0
ppc0: Generic chipset (EPP/NIBBLE) in COMPATIBLE mode
plip0: <PLIP network interface> on ppbus 0
lpt0: <generic printer> on ppbus 0
lpt0: Interrupt-driven port
ppi0: <generic parallel i/o> on ppbus 0
pcm0: <CS4231> at port 0x530-0x537,0x538-0x539 irq 5 drq 1 flags 0xa110
on isa0


Fatal trap 12: page fault while in kernel mode
fault virtual address   = 0xbff21000
fault code              = supervisor read, page not present
instruction pointer     = 0x8:0xc0214ffe
stack pointer           = 0x10:0xc02f6b58
frame pointer           = 0x10:0xc02f6b8c
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 (swapper)
interrupt mask          = net tty bio cam 
trap number             = 12
panic: page fault
Uptime: 0s
Automatic reboot in 15 seconds - press a key on the console to abort


% nm /kernel.test | grep c0214f
c0214f68 T bus_dmamap_load
c0214f28 T bus_dmamem_free


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