5.3-BETA7 crash ata_atapicmd

This is the same machine that has the 2 minute floppy delay with 5.3-BETA6.
It's not the fastest machine in the world, so I thought I'd post this much
info while I build a kernel with debug symbols.

/boot/kernel/acpi.ko text=0x3f978 data=0x1be4+0x110c syms=[0x4+0x72a0+0x4+0x9743]
KDB: debugger backends: ddb
KDB: current backend: ddb
Copyright (c) 1992-2004 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.
FreeBSD 5.3-BETA7 #0: Mon Oct  4 18:37:44 EST 2004
    jb_at_freebsd3.cimlogic.com.au:/usr/obj/usr/src/sys/FREEBSD3
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Celeron(TM) CPU                1100MHz (1102.51-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0x6b1  Stepping = 1
  Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
real memory  = 259981312 (247 MB)
avail memory = 249053184 (237 MB)
npx0: [FAST]
npx0: <math processor> on motherboard
npx0: INT 16 interface
acpi0: <GBT AWRDACPI> on motherboard
acpi0: Power Button (fixed)
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x4008-0x400b on acpi0
cpu0: <ACPI CPU (3 Cx states)> on acpi0
acpi_button0: <Power Button> on acpi0
acpi_button1: <Sleep Button> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0x6000-0x607f,0x5000-0x500f,0x4080-0x40ff,0x4000-0x407f,0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
agp0: <VIA Generic host to PCI bridge> mem 0xe0000000-0xe3ffffff at device 0.0 on pci0

pcib1: <PCI-PCI bridge> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
pci1: <display, VGA> at device 0.0 (no driver attached)
isab0: <PCI-ISA bridge> at device 7.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <VIA 82C686B UDMA100 controller> port 0xc000-0xc00f,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 7.1 on pci0
ata0: channel #0 on atapci0
ata1: channel #1 on atapci0
pci0: <serial bus, USB> at device 7.2 (no driver attached)
pci0: <serial bus, USB> at device 7.3 (no driver attached)
pci0: <bridge, PCI-unknown> at device 7.4 (no driver attached)
pci0: <multimedia, audio> at device 7.5 (no driver attached)
rl0: <RealTek 8139 10/100BaseTX> port 0xdc00-0xdcff mem 0xe7000000-0xe70000ff irq 11 at device 9.0 on pci0
miibus0: <MII bus> on rl0
rlphy0: <RealTek internal media interface> on miibus0
rlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
rl0: Ethernet address: 00:02:44:2c:61:b7
rl1: <RealTek 8139 10/100BaseTX> port 0xe000-0xe0ff mem 0xe7001000-0xe70010ff irq 11 at device 13.0 on pci0
miibus1: <MII bus> on rl1
rlphy1: <RealTek internal media interface> on miibus1
rlphy1:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
rl1: Ethernet address: 00:20:ed:34:42:d9
fdc0: <floppy drive controller> port 0x3f7,0x3f0-0x3f5 irq 6 drq 2 on acpi0
fdc0: [FAST]
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
sio0 port 0x3f8-0x3ff irq 4 on acpi0
sio0: type 16550A, console
sio1 port 0x2f8-0x2ff irq 3 on acpi0
sio1: type 16550A
ppc0 port 0x778-0x77b,0x378-0x37f irq 7 drq 3 on acpi0
ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/8 bytes threshold
ppbus0: <Parallel port bus> on ppc0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
atkbdc0: <Keyboard controller (i8042)> port 0x64,0x60 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
orm0: <ISA Option ROM> at iomem 0xc0000-0xcbfff on isa0
pmtimer0 on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x100>
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
Timecounter "TSC" frequency 1102505924 Hz quality 800
Timecounters tick every 10.000 msec
ipfw2 initialized, divert disabled, rule-based forwarding disabled, default to deny, logging unlimited
ata0-master: DMA limited to UDMA33, non-ATA66 cable or device
ad0: 8063MB <QUANTUM FIREBALL CR8.4A/A5U.1200> [16383/16/63] at ata0-master UDMA33
acd0: WARNING - MODE_SENSE_BIG read data overrun 18>0
acd0: FAILURE - MODE_SENSE_BIG timed out


Fatal trap 12: page fault while in kernel mode
fault virtual address   = 0x0
fault code              = supervisor read, page not present
instruction pointer     = 0x8:0xc04303dc
stack pointer           = 0x10:0xc0821cc0
frame pointer           = 0x10:0xc0821ccc
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)
[thread 0]
Stopped at      ata_atapicmd+0x38:      movzwl  0(%eax),%eax
db> where
ata_atapicmd(c11684ac,c0821cec,c119d39c,22,2) at ata_atapicmd+0x38
acd_mode_sense(c119d000,2a,c119d39c,22) at acd_mode_sense+0x45
acd_get_cap(c119d000,c11684ac,c05fee10,0,20202020) at acd_get_cap+0x21
acd_attach(c11684ac) at acd_attach+0x40
ata_boot_attach(0) at ata_boot_attach+0x74
run_interrupt_driven_config_hooks(0,81ec00,81e000,0,c042a435) at run_interrupt_driven_config_hooks+0x18
mi_startup() at mi_startup+0x96
begin() at begin+0x2c
db>

-- 
John Birrell