Date: Thu, 12 Aug 2004 00:44:48 +0200 From: "Daniel Eriksson" <daniel_k_eriksson@telia.com> To: "'Lukas Ertl'" <le@FreeBSD.org>, <freebsd-current@freebsd.org> Subject: gvinum and RAID-5, page-fault on lost disc? Message-ID: <!~!UENERkVCMDkAAQACAAAAAAAAAAAAAAAAABgAAAAAAAAA0VcX9IoJqUaXPS8MjT1PdsKAAAAQAAAA6CDvTGg1JUCP0Z9MWOjRqAEAAAAA@telia.com> In-Reply-To: <20040802193340.R905@korben.in.tern>
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[-- Attachment #1 --]
As I reported on the "Vinum status" thread a few days ago, gvinum is not
very graceful when a disc disappears/dies in a RAID-5 array during
operation. The machine I was testing this on was an SMP machine, but when I
recompiled the kernel with ddb/kdb support I removed "option SMP" just to
take that out of the equation.
The system:
-----------
ASUS P2B-DS mobo, 2 x P3/700, 1GB ECC RAM, latest BIOS (1014, beta 003)
Some old 9GB ATA disc for the OS on the onboard 440BX UDMA33 chipset
4 x 120GB Maxtor SATA discs on a HighPoint RocketRAID 1540 (HPT374 chipset)
The 4 120GB discs were put together in a RAID-5 array using "classic" vinum
(so they have overlapping slices and VINUM slicetypes).
Kernel/userland dated: 2004.08.10.21.00.00 (no CFLAGS/COPTFLAGS, but I use
"CPUTYPE?=p3")
gvinum started from /boot/loader.conf (geom_vinum_load="YES")
The crash:
----------
Stop all non-essential processes (to protect against unnecessary file
corruption, normally I've got Apache+PHP4+MySQL running among other things).
Set up one process to write to the RAID-5 array (I have used a simple sftp
to another machine, pulling down big files).
Pull one of the SATA-cables.
*boom*
I have a vmcore dump and a kernel.debug, but I can't seem to get gdb53 to do
what I want (not very familiar with gdb), so here's the output I took down
on paper from within ddb. The first 5 lines are exactly what I would expect
to happen (and what "classic" vinum also did), but then something goes wrong
and the machine page-faults:
ad8: TIMEOUT - READ_DMA retrying (2 retries left) LBA = 196849498
ad8: WARNING - removed from configuration
gvinum: lost drive 'vinumdrive2'
FOO: sd raid5.p0.s2 is down
FOO: plex raid5.p0 is degraded
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x64
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc08580fe
stack pointer = 0x10:0xdcf9dc00
frame pointer = 0x10:0xdcf9dc20
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 = 2 (g_event)
[thread 100038]
Stopped at gv_drive_access+0x1e : movl 0x64(%eax),%ecx
db> where
gv_drive_access(c2608b00,ffffffff,ffffffff,0,0) at gv_drive_access+0x1e
g_access(c260a8c0,ffffffff,ffffffff,0,c260a900) at g_access+0x16b
gv_plex_orphan(c260a8c0, .......)
g_orphan_register
one_event
g_run_events
g_event_procbody
fork_exit
fork_trampoline
--- trap 0x1, eip = 0, esp = 0xdcf9dd7c, ebp = 0 ---
Attached is the kernel config file and the dmesg. Let me know if there is
anything you want me to do with gdb to further track this down. I could
probably even arrange for a guest account on this machine if someone wants
to take a closer look at the vmcore file.
/Daniel Eriksson
[-- Attachment #2 --]
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 5.2-CURRENT #0: Wed Aug 11 02:41:58 CEST 2004
daniel@sentinel.lokalen.zapto.org:/usr/obj/usr/src/sys/SENTINEL
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel Pentium III (701.59-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0x681 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 = 1073729536 (1023 MB)
avail memory = 1041289216 (993 MB)
ACPI APIC Table: <ASUS P2B-DS >
ioapic0 <Version 1.1> irqs 0-23 on motherboard
npx0: [FAST]
npx0: <math processor> on motherboard
npx0: INT 16 interface
acpi0: <ASUS P2B-DS> on motherboard
acpi0: Overriding SCI Interrupt from IRQ 9 to IRQ 20
acpi0: [GIANT-LOCKED]
acpi0: Power Button (fixed)
Timecounter "ACPI-safe" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0xe408-0xe40b on acpi0
cpu0: <ACPI CPU> on acpi0
acpi_button0: <Power Button> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
agp0: <Intel 82443BX (440 BX) host to PCI bridge> mem 0xe4000000-0xe7ffffff 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 4.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel PIIX4 UDMA33 controller> port 0xb800-0xb80f,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 4.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata1: at 0x170 irq 15 on atapci0
uhci0: <Intel 82371AB/EB (PIIX4) USB controller> port 0xb400-0xb41f irq 19 at device 4.2 on pci0
uhci0: [GIANT-LOCKED]
usb0: <Intel 82371AB/EB (PIIX4) USB controller> on uhci0
usb0: USB revision 1.0
uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
pci0: <bridge, PCI-unknown> at device 4.3 (no driver attached)
ahc0: <Adaptec aic7890/91 Ultra2 SCSI adapter> port 0xb000-0xb0ff mem 0xe1000000-0xe1000fff irq 19 at device 6.0 on pci0
ahc0: [GIANT-LOCKED]
aic7890/91: Ultra2 Wide Channel A, SCSI Id=15, 32/253 SCBs
atapci1: <HighPoint HPT374 (channel 0+1) UDMA133 controller> port 0x9400-0x94ff,0x9800-0x9803,0xa000-0xa007,0xa400-0xa403,0xa800-0xa807 irq 19 at device 9.0 on pci0
ata2: at 0xa800 on atapci1
ata3: at 0xa000 on atapci1
atapci2: <HighPoint HPT374 (channel 2+3) UDMA133 controller> port 0x7800-0x78ff,0x8000-0x8003,0x8400-0x8407,0x8800-0x8803,0x9000-0x9007 irq 19 at device 9.1 on pci0
ata4: at 0x9000 on atapci2
ata5: at 0x8400 on atapci2
xl0: <3Com 3c905C-TX Fast Etherlink XL> port 0x7400-0x747f mem 0xe0800000-0xe080007f irq 18 at device 10.0 on pci0
miibus0: <MII bus> on xl0
xlphy0: <3c905C 10/100 internal PHY> on miibus0
xlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
xl0: Ethernet address: 00:01:02:73:f4:f5
xl0: [GIANT-LOCKED]
xl1: <3Com 3c905C-TX Fast Etherlink XL> port 0x7000-0x707f mem 0xe0000000-0xe000007f irq 17 at device 11.0 on pci0
miibus1: <MII bus> on xl1
xlphy1: <3c905C 10/100 internal PHY> on miibus1
xlphy1: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
xl1: Ethernet address: 00:50:da:8d:d2:af
xl1: [GIANT-LOCKED]
fxp0: <Intel 82559 Pro/100 Ethernet> port 0x6800-0x683f mem 0xdf000000-0xdf0fffff,0xdf800000-0xdf800fff irq 16 at device 12.0 on pci0
miibus2: <MII bus> on fxp0
inphy0: <i82555 10/100 media interface> on miibus2
inphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
fxp0: Ethernet address: 00:03:47:09:6f:51
fxp0: [GIANT-LOCKED]
fdc0: <floppy drive controller> port 0x3f7,0x3f2-0x3f5 irq 6 drq 2 on acpi0
fdc0: FIFO enabled, 8 bytes threshold
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
sio0 port 0x3f8-0x3ff irq 4 on acpi0
sio0: type 16550A
atkbdc0: <Keyboard controller (i8042)> port 0x64,0x60 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: [GIANT-LOCKED]
psm0: model Generic PS/2 mouse, device ID 0
orm0: <ISA Option ROMs> at iomem 0xd4000-0xd57ff,0xd0000-0xd07ff,0xcc000-0xcc7ff,0xc0000-0xc7fff on isa0
pmtimer0 on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio1: configured irq 3 not in bitmap of probed irqs 0
sio1: port may not be enabled
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
Timecounter "TSC" frequency 701593764 Hz quality 800
Timecounters tick every 1.000 msec
ipfw2 initialized, divert enabled, rule-based forwarding enabled, default to accept, logging unlimited
ad0: 8693MB <IBM-DJNA-370910/J74OA30K> [17662/16/63] at ata0-master UDMA33
ATAPI_RESET time = 50us
acd0: CDROM <SAMSUNG CD-ROM SC-148F/PS05> at ata1-master PIO4
ad4: 117246MB <Maxtor 6Y120M0/YAR51EW0> [238216/16/63] at ata2-master SATA150
ad6: 117246MB <Maxtor 6Y120M0/YAR51EW0> [238216/16/63] at ata3-master SATA150
ad8: 117246MB <Maxtor 6Y120M0/YAR51EW0> [238216/16/63] at ata4-master SATA150
ad10: 117246MB <Maxtor 6Y120M0/YAR51EW0> [238216/16/63] at ata5-master SATA150
Waiting 2 seconds for SCSI devices to settle
FOO: sd raid5.p0.s0 is up
FOO: sd raid5.p0.s1 is up
FOO: sd raid5.p0.s2 is up
FOO: sd raid5.p0.s3 is up
Mounting root from ufs:/dev/ad0s1a
WARNING: / was not properly dismounted
[-- Attachment #3 --]
machine i386
cpu I686_CPU
ident SENTINEL
# Options for the firewall and NAT functionality
options IPFIREWALL
options IPDIVERT
options IPFIREWALL_DEFAULT_TO_ACCEPT
options IPFIREWALL_VERBOSE
# To statically compile in device wiring instead of /boot/device.hints
#hints "GENERIC.hints" # Default places to look for devices.
makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols
#options SCHED_ULE # ULE scheduler
options SCHED_4BSD # 4BSD scheduler
options INET # InterNETworking
#options INET6 # IPv6 communications protocols
options FFS # Berkeley Fast Filesystem
options SOFTUPDATES # Enable FFS soft updates support
options UFS_ACL # Support for access control lists
options UFS_DIRHASH # Improve performance on big directories
options MD_ROOT # MD is a potential root device
options NFSCLIENT # Network Filesystem Client
options NFSSERVER # Network Filesystem Server
options NFS_ROOT # NFS usable as /, requires NFSCLIENT
options MSDOSFS # MSDOS Filesystem
options CD9660 # ISO 9660 Filesystem
options PROCFS # Process filesystem (requires PSEUDOFS)
options PSEUDOFS # Pseudo-filesystem framework
options GEOM_GPT # GUID Partition Tables.
options COMPAT_43 # Compatible with BSD 4.3 [KEEP THIS!]
options COMPAT_FREEBSD4 # Compatible with FreeBSD4
options SCSI_DELAY=2000 # Delay (in ms) before probing SCSI
#options KTRACE # ktrace(1) support
options SYSVSHM # SYSV-style shared memory
options SYSVMSG # SYSV-style message queues
options SYSVSEM # SYSV-style semaphores
options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
options KBD_INSTALL_CDEV # install a CDEV entry in /dev
#options AHC_REG_PRETTY_PRINT # Print register bitfields in debug output. Adds ~128k to driver.
#options AHD_REG_PRETTY_PRINT # Print register bitfields in debug output. Adds ~215k to driver.
#options PFIL_HOOKS # pfil(9) framework
# dakrer
#options DEVICE_POLLING
options DUMMYNET
options HZ=1000
options ZERO_COPY_SOCKETS # Turn on zero copy send code
# The aic7xxx driver will attempt to use memory mapped I/O for all PCI
# controllers that have it configured only if this option is set. Unfortunately,
# this doesn't work on some motherboards, which prevents it from being the
# default.
#options AHC_ALLOW_MEMIO
# encrypted filesystem
options GEOM_BDE
# Disk quotas are supported when this option is enabled.
#options QUOTA #enable disk quotas
# netgraph(4). Enable the base netgraph code with the NETGRAPH option.
# Individual node types can be enabled with the corresponding option
# listed below; however, this is not strictly necessary as netgraph
# will automatically load the corresponding KLD module if the node type
# is not already compiled into the kernel. Each type below has a
# corresponding man page, e.g., ng_async(8).
options NETGRAPH #netgraph(4) system
#options NETGRAPH_ASYNC
#options NETGRAPH_ATMLLC
#options NETGRAPH_ATM_ATMPIF
#options NETGRAPH_BLUETOOTH # ng_bluetooth(4)
#options NETGRAPH_BLUETOOTH_BT3C # ng_bt3c(4)
#options NETGRAPH_BLUETOOTH_H4 # ng_h4(4)
#options NETGRAPH_BLUETOOTH_HCI # ng_hci(4)
#options NETGRAPH_BLUETOOTH_L2CAP # ng_l2cap(4)
#options NETGRAPH_BLUETOOTH_SOCKET # ng_btsocket(4)
#options NETGRAPH_BLUETOOTH_UBT # ng_ubt(4)
#options NETGRAPH_BLUETOOTH_UBTBCMFW # ubtbcmfw(4)
#options NETGRAPH_BPF
#options NETGRAPH_BRIDGE
#options NETGRAPH_CISCO
#options NETGRAPH_ECHO
#options NETGRAPH_ETHER
#options NETGRAPH_FRAME_RELAY
#options NETGRAPH_GIF
#options NETGRAPH_GIF_DEMUX
#options NETGRAPH_HOLE
#options NETGRAPH_IFACE
#options NETGRAPH_IP_INPUT
#options NETGRAPH_KSOCKET
#options NETGRAPH_L2TP
#options NETGRAPH_LMI
## MPPC compression requires proprietary files (not included)
##options NETGRAPH_MPPC_COMPRESSION
#options NETGRAPH_MPPC_ENCRYPTION
#options NETGRAPH_ONE2MANY
#options NETGRAPH_PPP
#options NETGRAPH_PPPOE
#options NETGRAPH_PPTPGRE
#options NETGRAPH_RFC1490
#options NETGRAPH_SOCKET
#options NETGRAPH_SPLIT
#options NETGRAPH_SPPP
#options NETGRAPH_TEE
#options NETGRAPH_TTY
#options NETGRAPH_UI
#options NETGRAPH_VJC
# Debugging for use in -current
options KDB # Enable the kernel debugger
options DDB # Enable the kernel debugger
#options INVARIANTS # Enable calls of extra sanity checking
#options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS
#options WITNESS # Enable checks to detect deadlocks and cycles
#options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed
# To make an SMP kernel, the next two are needed
#options SMP # Symmetric MultiProcessor Kernel
device apic # I/O APIC
# Bus support. Do not remove isa, even if you have no isa slots
device isa
#device eisa
device pci
# Floppy drives
device fdc
# ATA and ATAPI devices
device ata
device atadisk # ATA disk drives
device ataraid # ATA RAID drives
device atapicd # ATAPI CDROM drives
device atapifd # ATAPI floppy drives
device atapist # ATAPI tape drives
options ATA_STATIC_ID # Static device numbering
# SCSI Controllers
#device ahb # EISA AHA1742 family
device ahc # AHA2940 and onboard AIC7xxx devices
device ahd # AHA39320/29320 and onboard AIC79xx devices
#device amd # AMD 53C974 (Tekram DC-390(T))
#device isp # Qlogic family
#device mpt # LSI-Logic MPT-Fusion
##device ncr # NCR/Symbios Logic
#device sym # NCR/Symbios Logic (newer chipsets + those of `ncr')
#device trm # Tekram DC395U/UW/F DC315U adapters
#device adv # Advansys SCSI adapters
#device adw # Advansys wide SCSI adapters
#device aha # Adaptec 154x SCSI adapters
#device aic # Adaptec 15[012]x SCSI adapters, AIC-6[23]60.
#device bt # Buslogic/Mylex MultiMaster SCSI adapters
#device ncv # NCR 53C500
#device nsp # Workbit Ninja SCSI-3
#device stg # TMC 18C30/18C50
# SCSI peripherals
device scbus # SCSI bus (required for SCSI)
device ch # SCSI media changers
device da # Direct Access (disks)
device sa # Sequential Access (tape etc)
device cd # CD
device pass # Passthrough device (direct SCSI access)
device ses # SCSI Environmental Services (and SAF-TE)
# RAID controllers interfaced to the SCSI subsystem
#device amr # AMI MegaRAID
#device asr # DPT SmartRAID V, VI and Adaptec SCSI RAID
#device ciss # Compaq Smart RAID 5*
#device dpt # DPT Smartcache III, IV - See NOTES for options
#device iir # Intel Integrated RAID
#device ips # IBM (Adaptec) ServeRAID
#device mly # Mylex AcceleRAID/eXtremeRAID
#device twa # 3ware 9000 series PATA/SATA RAID
# RAID controllers
#device aac # Adaptec FSA RAID
#device aacp # SCSI passthrough for aac (requires CAM)
#device ida # Compaq Smart RAID
#device mlx # Mylex DAC960 family
#device pst # Promise Supertrak SX6000
#device twe # 3ware ATA RAID
# atkbdc0 controls both the keyboard and the PS/2 mouse
device atkbdc # AT keyboard controller
device atkbd # AT keyboard
device psm # PS/2 mouse
device vga # VGA video card driver
device splash # Splash screen and screen saver support
# syscons is the default console driver, resembling an SCO console
device sc
# Enable this for the pcvt (VT220 compatible) console driver
#device vt
#options XSERVER # support for X server on a vt console
#options FAT_CURSOR # start with block cursor
device agp # support several AGP chipsets
# Floating point support - do not disable.
device npx
# Power management support (see NOTES for more options)
#device apm
# Add suspend/resume support for the i8254.
device pmtimer
# PCCARD (PCMCIA) support
# PCMCIA and cardbus bridge support
#device cbb # cardbus (yenta) bridge
##device pcic # ExCA ISA and PCI bridges
#device pccard # PC Card (16-bit) bus
#device cardbus # CardBus (32-bit) bus
# Serial (COM) ports
device sio # 8250, 16[45]50 based serial ports
# Parallel port
#device ppc
#device ppbus # Parallel port bus (required)
#device lpt # Printer
#device plip # TCP/IP over parallel
#device ppi # Parallel port interface device
##device vpo # Requires scbus and da
# If you've got a "dumb" serial or parallel PCI card that is
# supported by the puc(4) glue driver, uncomment the following
# line to enable it (connects to the sio and/or ppc drivers):
#device puc
# PCI Ethernet NICs.
#device de # DEC/Intel DC21x4x (``Tulip'')
device em # Intel PRO/1000 adapter Gigabit Ethernet Card
#device ixgb # Intel PRO/10GbE Ethernet Card
#device txp # 3Com 3cR990 (``Typhoon'')
#device vx # 3Com 3c590, 3c595 (``Vortex'')
# PCI Ethernet NICs that use the common MII bus controller code.
# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs!
device miibus # MII bus support
#device bfe # Broadcom BCM440x 10/100 Ethernet
#device bge # Broadcom BCM570xx Gigabit Ethernet
#device dc # DEC/Intel 21143 and various workalikes
device fxp # Intel EtherExpress PRO/100B (82557, 82558)
#device pcn # AMD Am79C97x PCI 10/100 (precedence over 'lnc')
device re # RealTek 8139C+/8169/8169S/8110S
device rl # RealTek 8129/8139
#device sf # Adaptec AIC-6915 (``Starfire'')
#device sis # Silicon Integrated Systems SiS 900/SiS 7016
#device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet
#device ste # Sundance ST201 (D-Link DFE-550TX)
#device ti # Alteon Networks Tigon I/II gigabit Ethernet
#device tl # Texas Instruments ThunderLAN
#device tx # SMC EtherPower II (83c170 ``EPIC'')
device vr # VIA Rhine, Rhine II
#device wb # Winbond W89C840F
device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'')
# ISA Ethernet NICs. pccard NICs included.
#device cs # Crystal Semiconductor CS89x0 NIC
# 'device ed' requires 'device miibus'
#device ed # NE[12]000, SMC Ultra, 3c503, DS8390 cards
#device ex # Intel EtherExpress Pro/10 and Pro/10+
device ep # Etherlink III based cards
#device fe # Fujitsu MB8696x based cards
#device ie # EtherExpress 8/16, 3C507, StarLAN 10 etc.
#device lnc # NE2100, NE32-VL Lance Ethernet cards
#device sn # SMC's 9000 series of Ethernet chips
#device xe # Xircom pccard Ethernet
# ISA devices that use the old ISA shims
#device le
# Wireless NIC cards
#device wlan # 802.11 support
#device an # Aironet 4500/4800 802.11 wireless NICs.
#device awi # BayStack 660 and others
#device wi # WaveLAN/Intersil/Symbol 802.11 wireless NICs.
##device wl # Older non 802.11 Wavelan wireless NIC.
# Pseudo devices - the number indicates how many units to allocate.
device loop # Network loopback
device mem # Memory and kernel memory devices
device io # I/O device
#device null # Null and zero devices
device random # Entropy device
device ether # Ethernet support
device sl # Kernel SLIP
device ppp # Kernel PPP
device tun # Packet tunnel.
device pty # Pseudo-ttys (telnet etc)
device md # Memory "disks"
device gif # IPv6 and IPv4 tunneling
device faith # IPv6-to-IPv4 relaying (translation)
# The `bpf' device enables the Berkeley Packet Filter.
# Be aware of the administrative consequences of enabling this!
device bpf # Berkeley packet filter
# USB support
device uhci # UHCI PCI->USB interface
device ohci # OHCI PCI->USB interface
device usb # USB Bus (required)
#device udbp # USB Double Bulk Pipe devices
device ugen # Generic
device uhid # "Human Interface Devices"
device ukbd # Keyboard
device ulpt # Printer
device umass # Disks/Mass storage - Requires scbus and da
device ums # Mouse
device urio # Diamond Rio 500 MP3 player
device uscanner # Scanners
# USB Ethernet, requires mii
device aue # ADMtek USB Ethernet
device axe # ASIX Electronics USB Ethernet
device cue # CATC USB Ethernet
device kue # Kawasaki LSI USB Ethernet
device rue # RealTek RTL8150 USB Ethernet
# FireWire support
#device firewire # FireWire bus code
#device sbp # SCSI over FireWire (Requires scbus and da)
#device fwe # Ethernet over FireWire (non-standard!)
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