amd64/131906: SATA data corruption

Arne Steinkamm arne at steinkamm.com
Fri Feb 20 08:10:06 PST 2009


>Number:         131906
>Category:       amd64
>Synopsis:       SATA data corruption
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-amd64
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Feb 20 16:10:05 UTC 2009
>Closed-Date:
>Last-Modified:
>Originator:     Arne Steinkamm
>Release:        7.1-RELEASE
>Organization:
>Environment:
FreeBSD amd64.lab.steinkamm.com 7.1-RELEASE FreeBSD 7.1-RELEASE #0: Thu Jan  1 08:58:24 UTC 2009     root at driscoll.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  amd64
>Description:
Machine has (old) Asus A8V Deluxe Motherboard with onboard Promise SATA controller.
Promise is BIOS-configured to RAID mode. Machine is equipped with 4 gig mem,
memory hole handling is switched off in BIOS.

CPU: AMD Athlon(tm) 64 X2 Dual Core Processor 4400+ (2202.83-MHz K8-class CPU)
  Origin = "AuthenticAMD"  Id = 0x20f32  Stepping = 2
[...]
  Cores per package: 2
usable memory = 3341815808 (3187 MB)
avail memory  = 3231543296 (3081 MB)
[...]
atapci0: <Promise PDC20378 SATA150 controller> port 0x9000-0x903f,0x8800-0x880f,0x8400-0x847f mem 0xf9700000-0xf9700fff,0xf9600000-0xf961ffff irq 18 at device 8.0 on pci0
[...]
ad4: 1430799MB <Seagate ST31500341AS CC1H> at ata2-master SATA150
ad6: 1430799MB <Seagate ST31500341AS CC1G> at ata3-master SATA150
ar0: 1430511MB <Promise Fasttrak RAID1> status: READY
ar0: disk0 READY (master) using ad4 at ata2-master
ar0: disk1 READY (mirror) using ad6 at ata3-master

I have several of these boxes in daily use without any problems running FreeBSD 6.2 i386 and amd64.
I installed a fresh installation of 7.1 release (GENERIC kernel from distribution) from CD and saw data corruption on the disks:

$ df .
Filesystem  1K-blocks       Used     Avail Capacity  Mounted on
/dev/ar0s2f 1361274282 883732236 368640104    71%    /l/ldisk1
$ ls -l Testfile*
-rw-r--r--  1 root  wheel  2810811312 Dec 31 01:14 Testfile1
-rw-r--r--  1 root  wheel  2926088400 Dec 31 01:59 Testfile2
-rw-r--r--  1 root  wheel  2798053632 Dec 31 02:45 Testfile3
$ md5 Testfile*
MD5 (Testfile1) = 14f9908220acd2388ec09703dc8baaad
MD5 (Testfile2) = c6f2c84ec25fd97985b6374bdc89b343
MD5 (Testfile3) = 5630706a77bc7ee965076ba2a7a8dcdf
$ md5 Testfile*
MD5 (Testfile1) = d215c9fb3369d125d17e579f5ddf7ca8
MD5 (Testfile2) = c6f2c84ec25fd97985b6374bdc89b343
MD5 (Testfile3) = 8632aa26eec5966a49323c714f9b085e
$ md5 Testfile*
MD5 (Testfile1) = fb4d186d5fb900dd9271049e29eab152
MD5 (Testfile2) = 429511875320aef36a700ef67d1462c2
MD5 (Testfile3) = f7be094c9a38c198152536dffca3d733

Trying to find the problem, I booted the system from CD and accessed the subdisks ad4 and ad6 directly. Same problem with both disks so it seems not related to the ar0 device and the software raid behind it.

Then I booted FreeBSD 7.1-Release i386 from CD and found no problem anymore. This indicates that the hardware is not part of the problem.

Full dmesg:
Copyright (c) 1992-2009 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 is a registered trademark of The FreeBSD Foundation.
FreeBSD 7.1-RELEASE #0: Thu Jan  1 08:58:24 UTC 2009
    root at driscoll.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: AMD Athlon(tm) 64 X2 Dual Core Processor 4400+ (2202.83-MHz K8-class CPU)
  Origin = "AuthenticAMD"  Id = 0x20f32  Stepping = 2
  Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,C
MOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT>
  Features2=0x1<SSE3>
  AMD Features=0xe2500800<SYSCALL,NX,MMX+,FFXSR,LM,3DNow!+,3DNow!>
  AMD Features2=0x3<LAHF,CMP>
  Cores per package: 2
usable memory = 3341815808 (3187 MB)
avail memory  = 3231543296 (3081 MB)
ACPI APIC Table: <A M I  OEMAPIC >
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
 cpu0 (BSP): APIC ID:  0
 cpu1 (AP): APIC ID:  1
MADT: Forcing active-low polarity and level trigger for SCI
ioapic0 <Version 0.3> irqs 0-23 on motherboard
kbd1 at kbdmux0
ath_hal: 0.9.20.3 (AR5210, AR5211, AR5212, RF5111, RF5112, RF2413, RF5413)
acpi0: <A M I OEMXSDT> on motherboard
acpi0: [ITHREAD]
acpi0: Power Button (fixed)
acpi0: reservation of 0, a0000 (3) failed
acpi0: reservation of 100000, c7ef0000 (3) failed
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x808-0x80b on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
agp0: <VIA K8T800Pro host to PCI bridge> on hostb0
pcib1: <ACPI PCI-PCI bridge> at device 1.0 on pci0
pci1: <ACPI PCI bus> on pcib1
vgapci0: <VGA-compatible display> mem 0xfb000000-0xfbffffff,0xe0000000-0xefffffff,0xfa000000-0xfaffffff irq 16 at device 0.0 on pci1
fwohci0: <VIA Fire II (VT6306)> port 0x8000-0x807f mem 0xf9500000-0xf95007ff irq 16 at device 7.0 on pci0
fwohci0: [FILTER]
fwohci0: OHCI version 1.0 (ROM=1)
fwohci0: No. of Isochronous channels is 4.
fwohci0: EUI64 00:11:d8:00:00:6f:2b:1e
fwohci0: Phy 1394a available S400, 2 ports.
fwohci0: Link S400, max_rec 2048 bytes.
firewire0: <IEEE1394(FireWire) bus> on fwohci0
dcons_crom0: <dcons configuration ROM> on firewire0
dcons_crom0: bus_addr 0x28c4000
fwe0: <Ethernet over FireWire> on firewire0
if_fwe0: Fake Ethernet address: 02:11:d8:6f:2b:1e
fwe0: Ethernet address: 02:11:d8:6f:2b:1e
fwip0: <IP over FireWire> on firewire0
fwip0: Firewire address: 00:11:d8:00:00:6f:2b:1e @ 0xfffe00000000, S400, maxrec 2048
sbp0: <SBP-2/SCSI over FireWire> on firewire0
fwohci0: Initiate bus reset
fwohci0: BUS reset
fwohci0: node_id=0xc800ffc0, gen=1, CYCLEMASTER mode
atapci0: <Promise PDC20378 SATA150 controller> port 0x9000-0x903f,0x8800-0x880f,0x8400-0x847f mem 0xf9700000-0xf9700fff,0xf9600000-0xf961ffff irq 18 at device 8.0 on pci0
atapci0: [ITHREAD]
atapci0: [ITHREAD]
ata2: <ATA channel 0> on atapci0
ata2: [ITHREAD]
ata3: <ATA channel 1> on atapci0
ata3: [ITHREAD]
ata4: <ATA channel 2> on atapci0
ata4: [ITHREAD]
vgapci1: <VGA-compatible display> mem 0xf8000000-0xf8ffffff,0xd0000000-0xdfffffff,0xf7000000-0xf7ffffff irq 16 at device 9.0 on pci0
skc0: <Marvell Gigabit Ethernet> port 0x9400-0x94ff mem 0xf9a00000-0xf9a03fff irq 17 at device 10.0 on pci0
skc0: Marvell Yukon Lite Gigabit Ethernet rev. (0x9)
sk0: <Marvell Semiconductor, Inc. Yukon> on skc0
sk0: Ethernet address: 00:15:f2:0a:78:17
miibus0: <MII bus> on sk0
e1000phy0: <Marvell 88E1011 Gigabit PHY> PHY 0 on miibus0
e1000phy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseTX-FDX, auto
skc0: [ITHREAD]
atapci1: <SiI SiI 3114 SATA150 controller> port 0xb000-0xb007,0xa800-0xa803,0xa400-0xa407,0xa000-0xa003,0x9800-0x980f mem 0xf9c00000-0xf9c003ff irq 19 at device 14.0 on pci0
atapci1: [ITHREAD]
ata5: <ATA channel 0> on atapci1
ata5: [ITHREAD]
ata6: <ATA channel 1> on atapci1
ata6: [ITHREAD]
ata7: <ATA channel 2> on atapci1
ata7: [ITHREAD]
ata8: <ATA channel 3> on atapci1
ata8: [ITHREAD]
atapci2: <VIA 6420 SATA150 controller> port 0xd000-0xd007,0xc800-0xc803,0xc400-0xc407,0xc000-0xc003,0xb800-0xb80f,0xb400-0xb4ff irq 20 at device 15.0 on pci0
atapci2: [ITHREAD]
ata9: <ATA channel 0> on atapci2
ata9: [ITHREAD]
ata10: <ATA channel 1> on atapci2
ata10: [ITHREAD]
atapci3: <VIA 8237 UDMA133 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xfc00-0xfc0f at device 15.1 on pci0
ata0: <ATA channel 0> on atapci3
ata0: [ITHREAD]
ata1: <ATA channel 1> on atapci3
ata1: [ITHREAD]
uhci0: <VIA 83C572 USB controller> port 0xd400-0xd41f irq 21 at device 16.0 on pci0
uhci0: [GIANT-LOCKED]
uhci0: [ITHREAD]
usb0: <VIA 83C572 USB controller> on uhci0
usb0: USB revision 1.0
uhub0: <VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb0
uhub0: 2 ports with 2 removable, self powered
uhci1: <VIA 83C572 USB controller> port 0xd800-0xd81f irq 21 at device 16.1 on pci0
uhci1: [GIANT-LOCKED]
uhci1: [ITHREAD]
usb1: <VIA 83C572 USB controller> on uhci1
usb1: USB revision 1.0
uhub1: <VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb1
uhub1: 2 ports with 2 removable, self powered
uhci2: <VIA 83C572 USB controller> port 0xe000-0xe01f irq 21 at device 16.2 on pci0
uhci2: [GIANT-LOCKED]
uhci2: [ITHREAD]
usb2: <VIA 83C572 USB controller> on uhci2
usb2: USB revision 1.0
uhub2: <VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb2
uhub2: 2 ports with 2 removable, self powered
uhci3: <VIA 83C572 USB controller> port 0xe400-0xe41f irq 21 at device 16.3 on pci0
uhci3: [GIANT-LOCKED]
uhci3: [ITHREAD]
usb3: <VIA 83C572 USB controller> on uhci3
usb3: USB revision 1.0
uhub3: <VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb3
uhub3: 2 ports with 2 removable, self powered
ehci0: <VIA VT6202 USB 2.0 controller> mem 0xf9e00000-0xf9e000ff irq 21 at device 16.4 on pci0
ehci0: [GIANT-LOCKED]
ehci0: [ITHREAD]
usb4: EHCI version 1.0
usb4: companion controllers, 2 ports each: usb0 usb1 usb2 usb3
usb4: <VIA VT6202 USB 2.0 controller> on ehci0
usb4: USB revision 2.0
uhub4: <VIA EHCI root hub, class 9/0, rev 2.00/1.00, addr 1> on usb4
uhub4: 8 ports with 8 removable, self powered
umass0: <Genesys USB Reader, class 0/0, rev 2.00/93.25, addr 2> on uhub4
isab0: <PCI-ISA bridge> at device 17.0 on pci0
isa0: <ISA bus> on isab0
pci0: <multimedia, audio> at device 17.5 (no driver attached)
acpi_button0: <Power Button> on acpi0
acpi_button1: <Sleep Button> on acpi0
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
atkbd0: [ITHREAD]
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: [GIANT-LOCKED]
psm0: [ITHREAD]
psm0: model IntelliMouse Explorer, device ID 4
fdc0: <floppy drive controller (FDE)> port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on acpi0
fdc0: [FILTER]
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
ppc0: <Parallel port> port 0x378-0x37f irq 7 on acpi0
ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
ppbus0: <Parallel port bus> on ppc0
ppbus0: [ITHREAD]
plip0: <PLIP network interface> on ppbus0
plip0: WARNING: using obsoleted IFF_NEEDSGIANT flag
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
ppc0: [GIANT-LOCKED]
ppc0: [ITHREAD]
sio0: configured irq 3 not in bitmap of probed irqs 0
sio0: port may not be enabled
sio0: configured irq 3 not in bitmap of probed irqs 0
sio0: port may not be enabled
sio0: <16550A-compatible COM port> port 0x2f8-0x2ff irq 3 flags 0x10 on acpi0
sio0: type 16550A
sio0: [FILTER]
sio1: configured irq 4 not in bitmap of probed irqs 0
sio1: port may not be enabled
sio1: configured irq 4 not in bitmap of probed irqs 0
sio1: port may not be enabled
sio1: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 on acpi0
sio1: type 16550A
sio1: [FILTER]
cpu0: <ACPI CPU> on acpi0
powernow0: <Cool`n'Quiet K8> on cpu0
device_attach: powernow0 attach returned 6
cpu1: <ACPI CPU> on acpi0
powernow1: <Cool`n'Quiet K8> on cpu1
device_attach: powernow1 attach returned 6
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
Timecounters tick every 1.000 msec
firewire0: 1 nodes, maxhop <= 0, cable IRM = 0 (me)
firewire0: bus manager 0 (me)
acd0: CDRW <ASUS CRW-4816A/1.12> at ata0-master UDMA33
ad4: 1430799MB <Seagate ST31500341AS CC1H> at ata2-master SATA150
ad6: 1430799MB <Seagate ST31500341AS CC1G> at ata3-master SATA150
ar0: 1430511MB <Promise Fasttrak RAID1> status: READY
ar0: disk0 READY (master) using ad4 at ata2-master
ar0: disk1 READY (mirror) using ad6 at ata3-master
SMP: AP CPU #1 Launched!
da0 at umass-sim0 bus 0 target 0 lun 0
da0: <Generic STORAGE DEVICE 9325> Removable Direct Access SCSI-0 device
da0: 40.000MB/s transfers
da0: Attempt to query device size failed: NOT READY, Medium not present
da1 at umass-sim0 bus 0 target 0 lun 1
da1: <Generic STORAGE DEVICE 9325> Removable Direct Access SCSI-0 device
da1: 40.000MB/s transfers
da1: Attempt to query device size failed: NOT READY, Medium not present
Trying to mount root from ufs:/dev/ar0s1a

pciconf -lv
hostb0 at pci0:0:0:0:      class=0x060000 card=0x80a31043 chip=0x02821106 rev=0x00 hdr=0x00
    vendor     = 'VIA Technologies Inc'
    device     = 'K8T880Pro CPU to PCI Bridge'
    class      = bridge
    subclass   = HOST-PCI
hostb1 at pci0:0:0:1:      class=0x060000 card=0x00000000 chip=0x12821106 rev=0x00 hdr=0x00
    vendor     = 'VIA Technologies Inc'
    device     = 'K8T880Pro CPU to PCI Bridge'
    class      = bridge
    subclass   = HOST-PCI
hostb2 at pci0:0:0:2:      class=0x060000 card=0x00000000 chip=0x22821106 rev=0x00 hdr=0x00
    vendor     = 'VIA Technologies Inc'
    device     = 'K8T880Pro CPU to PCI Bridge'
    class      = bridge
    subclass   = HOST-PCI
hostb3 at pci0:0:0:3:      class=0x060000 card=0x00000000 chip=0x32821106 rev=0x00 hdr=0x00
    vendor     = 'VIA Technologies Inc'
    device     = 'K8T880Pro CPU to PCI Bridge'
    class      = bridge
    subclass   = HOST-PCI
hostb4 at pci0:0:0:4:      class=0x060000 card=0x00000000 chip=0x42821106 rev=0x00 hdr=0x00
    vendor     = 'VIA Technologies Inc'
    device     = 'K8T880Pro CPU to PCI Bridge'
    class      = bridge
    subclass   = HOST-PCI
hostb5 at pci0:0:0:7:      class=0x060000 card=0x00000000 chip=0x72821106 rev=0x00 hdr=0x00
    vendor     = 'VIA Technologies Inc'
    device     = 'K8T880Pro CPU to PCI Bridge'
    class      = bridge
    subclass   = HOST-PCI
pcib1 at pci0:0:1:0:       class=0x060400 card=0x00000000 chip=0xb1881106 rev=0x00 hdr=0x01
    vendor     = 'VIA Technologies Inc'
    device     = 'VT8237 K8HTB CPU to AGP 2.0/3.0 Bridge'
    class      = bridge
    subclass   = PCI-PCI
fwohci0 at pci0:0:7:0:     class=0x0c0010 card=0x808a1043 chip=0x30441106 rev=0x80 hdr=0x00
    vendor     = 'VIA Technologies Inc'
    device     = 'VT6306 VIA Fire II IEEE-1394 OHCI Link Layer Controller'
    class      = serial bus
    subclass   = FireWire
atapci0 at pci0:0:8:0:     class=0x010400 card=0x80f51043 chip=0x3373105a rev=0x02 hdr=0x00
    vendor     = 'Promise Technology Inc'
    device     = 'PDC20378 FastTrak 378/SATA 378 RAID Controller'
    class      = mass storage
    subclass   = RAID
vgapci1 at pci0:0:9:0:     class=0x030000 card=0x00000000 chip=0x022110de rev=0xa1 hdr=0x00
    vendor     = 'Nvidia Corp'
    device     = 'GeForce 6200'
    class      = display
    subclass   = VGA
skc0 at pci0:0:10:0:       class=0x020000 card=0x811a1043 chip=0x432011ab rev=0x13 hdr=0x00
    vendor     = 'Marvell Semiconductor (Was: Galileo Technology Ltd)'
    device     = 'Yukon 88E8001/8003/8010 PCI Gigabit Ethernet Controller (Copper)'
    class      = network
    subclass   = ethernet
atapci1 at pci0:0:14:0:    class=0x010400 card=0x31141095 chip=0x31141095 rev=0x02 hdr=0x00
    vendor     = 'Silicon Image Inc (Was: CMD Technology Inc)'
    device     = 'Sil 3114 SATALink/SATARaid Controller'
    class      = mass storage
    subclass   = RAID
atapci2 at pci0:0:15:0:    class=0x010400 card=0x80ed1043 chip=0x31491106 rev=0x80 hdr=0x00
    vendor     = 'VIA Technologies Inc'
    device     = 'VT8237  VT6410 SATA RAID Controller'
    class      = mass storage
    subclass   = RAID
atapci3 at pci0:0:15:1:    class=0x01018a card=0x80ed1043 chip=0x05711106 rev=0x06 hdr=0x00
    vendor     = 'VIA Technologies Inc'
    device     = 'VT82C586A/B/VT82C686/A/B/VT823x/A/C Bus Master IDE Controller'
    class      = mass storage
    subclass   = ATA
uhci0 at pci0:0:16:0:      class=0x0c0300 card=0x80ed1043 chip=0x30381106 rev=0x81 hdr=0x00
    vendor     = 'VIA Technologies Inc'
    device     = 'VT83C572, VT6202 VIA Rev 5 or later USB Universal Host Controller'
    class      = serial bus
    subclass   = USB
uhci1 at pci0:0:16:1:      class=0x0c0300 card=0x80ed1043 chip=0x30381106 rev=0x81 hdr=0x00
    vendor     = 'VIA Technologies Inc'
    device     = 'VT83C572, VT6202 VIA Rev 5 or later USB Universal Host Controller'
    class      = serial bus
    subclass   = USB
uhci2 at pci0:0:16:2:      class=0x0c0300 card=0x80ed1043 chip=0x30381106 rev=0x81 hdr=0x00
    vendor     = 'VIA Technologies Inc'
    device     = 'VT83C572, VT6202 VIA Rev 5 or later USB Universal Host Controller'
    class      = serial bus
    subclass   = USB
uhci3 at pci0:0:16:3:      class=0x0c0300 card=0x80ed1043 chip=0x30381106 rev=0x81 hdr=0x00
    vendor     = 'VIA Technologies Inc'
    device     = 'VT83C572, VT6202 VIA Rev 5 or later USB Universal Host Controller'
    class      = serial bus
    subclass   = USB
ehci0 at pci0:0:16:4:      class=0x0c0320 card=0x80ed1043 chip=0x31041106 rev=0x86 hdr=0x00
    vendor     = 'VIA Technologies Inc'
    device     = 'VT6202/12 USB 2.0 Enhanced Host Controller'
    class      = serial bus
    subclass   = USB
isab0 at pci0:0:17:0:      class=0x060100 card=0x80ed1043 chip=0x32271106 rev=0x00 hdr=0x00
    vendor     = 'VIA Technologies Inc'
    device     = 'VT8237 PCI-to-ISA Bridge'
    class      = bridge
    subclass   = PCI-ISA
none0 at pci0:0:17:5:      class=0x040100 card=0x812a1043 chip=0x30591106 rev=0x60 hdr=0x00
    vendor     = 'VIA Technologies Inc'
    device     = 'VT8237 AC97 Enhanced Audio Controller - the 8251 controller is different'
    class      = multimedia
    subclass   = audio
hostb6 at pci0:0:24:0:     class=0x060000 card=0x00000000 chip=0x11001022 rev=0x00 hdr=0x00
    vendor     = 'Advanced Micro Devices (AMD)'
    device     = '(K8) Athlon 64/Opteron HyperTransport Technology Configuration'
    class      = bridge
    subclass   = HOST-PCI
hostb7 at pci0:0:24:1:     class=0x060000 card=0x00000000 chip=0x11011022 rev=0x00 hdr=0x00
    vendor     = 'Advanced Micro Devices (AMD)'
    device     = '(K8) Athlon 64/Opteron Address Map'
    class      = bridge
    subclass   = HOST-PCI
hostb8 at pci0:0:24:2:     class=0x060000 card=0x00000000 chip=0x11021022 rev=0x00 hdr=0x00
    vendor     = 'Advanced Micro Devices (AMD)'
    device     = '(K8) Athlon 64/Opteron DRAM Controller'
    class      = bridge
    subclass   = HOST-PCI
hostb9 at pci0:0:24:3:     class=0x060000 card=0x00000000 chip=0x11031022 rev=0x00 hdr=0x00
    vendor     = 'Advanced Micro Devices (AMD)'
    device     = '(K8) Athlon 64/Opteron Miscellaneous Control'
    class      = bridge
    subclass   = HOST-PCI
vgapci0 at pci0:1:0:0:     class=0x030000 card=0x080110b0 chip=0x00f510de rev=0xa2 hdr=0x00
    vendor     = 'Nvidia Corp'
    device     = 'GeForce 7800 GS'
    class      = display
    subclass   = VGA


>How-To-Repeat:

Just check the integrity of large files (several gigabytes) after writing them. Files fitting in the filesystem cache will hide the sata problem.
>Fix:
Using FreeBSD 6.x amd64 or FreeBSD 7.1 i386 instead of FreeBSD 7.1 amd64. This is not a sollution!


>Release-Note:
>Audit-Trail:
>Unformatted:


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