FAILURE FLUSHCACHE48 time out

Hello

description of my trouble:


uname
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FreeBSD spectrum 8.0-CURRENT FreeBSD 8.0-CURRENT #8: Sun Jun 22
17:15:01 MSD 2008     root_at_spectrum:/usr/obj/usr/src/sys/SPECTRUM
i386
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dmesg
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Copyright (c) 1992-2008 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 8.0-CURRENT #8: Sun Jun 22 17:15:01 MSD 2008
    root_at_spectrum:/usr/obj/usr/src/sys/SPECTRUM
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Core(TM)2 Duo CPU     T8300  _at_ 2.40GHz (2394.02-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0x10676  Stepping = 6
  Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
  Features2=0x8e3bd<SSE3,RSVD2,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,<b19>>
  AMD Features=0x20000000<LM>
  AMD Features2=0x1<LAHF>
  Cores per package: 2
real memory  = 2129330176 (2030 MB)
avail memory = 2071609344 (1975 MB)
ACPI APIC Table: <LENOVO TP-7L   >
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
 cpu0 (BSP): APIC ID:  0
 cpu1 (AP): APIC ID:  1
ACPI Warning (tbfadt-0505): Optional field "Gpe1Block" has zero
address or length:        0    102C/0 [20070320]
ioapic0: Changing APIC ID to 1
ioapic0 <Version 2.0> irqs 0-23 on motherboard
kbd1 at kbdmux0
acpi0: <LENOVO TP-7L> on motherboard
acpi0: [ITHREAD]
acpi_ec0: <Embedded Controller: GPE 0x12, ECDT> port 0x62,0x66 on acpi0
acpi0: Power Button (fixed)
acpi0: reservation of 0, a0000 (3) failed
acpi0: reservation of 100000, 7ef00000 (3) failed
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1008-0x100b on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
pcib1: <ACPI PCI-PCI bridge> irq 16 at device 1.0 on pci0
pci1: <ACPI PCI bus> on pcib1
vgapci0: <VGA-compatible display> port 0x2000-0x207f mem
0xd6000000-0xd6ffffff,0xe0000000-0xefffffff,0xd4000000-0xd5ffffff irq
16 at device 0.0 on pci1
acpi_video0: <ACPI video extension> on vgapci0
nvidia0: <Quadro NVS 140M> on vgapci0
vgapci0: child nvidia0 requested pci_enable_busmaster
vgapci0: child nvidia0 requested pci_enable_io
nvidia0: [GIANT-LOCKED]
nvidia0: [ITHREAD]
em0: <Intel(R) PRO/1000 Network Connection 6.9.5> port 0x1840-0x185f
mem 0xfe200000-0xfe21ffff,0xfe225000-0xfe225fff irq 20 at device 25.0
on pci0
em0: Using MSI interrupt
em0: [FILTER]
em0: Ethernet address: 00:1c:25:76:92:48
pci0: <serial bus, USB> at device 26.0 (no driver attached)
pci0: <serial bus, USB> at device 26.1 (no driver attached)
pci0: <serial bus, USB> at device 26.7 (no driver attached)
pcm0: <Intel 82801H High Definition Audio Controller> mem
0xfe220000-0xfe223fff irq 17 at device 27.0 on pci0
pcm0: [ITHREAD]
pcib2: <ACPI PCI-PCI bridge> irq 20 at device 28.0 on pci0
pci2: <ACPI PCI bus> on pcib2
pcib3: <ACPI PCI-PCI bridge> irq 21 at device 28.1 on pci0
pci3: <ACPI PCI bus> on pcib3
iwn0: <Intel(R) PRO/Wireless 4965BGN> mem 0xdf2fe000-0xdf2fffff irq 17
at device 0.0 on pci3
iwn0: Reg Domain: MoW2, address 00:1d:e0:9b:ba:89
iwn0: [ITHREAD]
iwn0: 11a rates: 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps 36Mbps 48Mbps 54Mbps
iwn0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps
iwn0: 11g rates: 1Mbps 2Mbps 5.5Mbps 11Mbps 6Mbps 9Mbps 12Mbps 18Mbps
24Mbps 36Mbps 48Mbps 54Mbps
iwn0: 11na MCS: 15Mbps 30Mbps 45Mbps 60Mbps 90Mbps 120Mbps 135Mbps
150Mbps 30Mbps 60Mbps 90Mbps 120Mbps 180Mbps 240Mbps 270Mbps 300Mbps
iwn0: 11ng MCS: 15Mbps 30Mbps 45Mbps 60Mbps 90Mbps 120Mbps 135Mbps
150Mbps 30Mbps 60Mbps 90Mbps 120Mbps 180Mbps 240Mbps 270Mbps 300Mbps
pcib4: <ACPI PCI-PCI bridge> irq 22 at device 28.2 on pci0
pci4: <ACPI PCI bus> on pcib4
pcib5: <ACPI PCI-PCI bridge> irq 23 at device 28.3 on pci0
pci5: <ACPI PCI bus> on pcib5
pcib6: <ACPI PCI-PCI bridge> irq 20 at device 28.4 on pci0
pci13: <ACPI PCI bus> on pcib6
pci0: <serial bus, USB> at device 29.0 (no driver attached)
pci0: <serial bus, USB> at device 29.1 (no driver attached)
pci0: <serial bus, USB> at device 29.2 (no driver attached)
pci0: <serial bus, USB> at device 29.7 (no driver attached)
pcib7: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci21: <ACPI PCI bus> on pcib7
pci21: <bridge, PCI-CardBus> at device 0.0 (no driver attached)
pci21: <serial bus, FireWire> at device 0.1 (no driver attached)
pci21: <base peripheral> at device 0.2 (no driver attached)
pci21: <base peripheral> at device 0.3 (no driver attached)
pci21: <base peripheral> at device 0.4 (no driver attached)
pci21: <base peripheral> at device 0.5 (no driver attached)
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel ATA controller> port
0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x1830-0x183f at device 31.1 on
pci0
ata0: <ATA channel 0> on atapci0
ata0: [ITHREAD]
ata1: <ATA channel 1> on atapci0
ata1: [ITHREAD]
atapci1: <Intel AHCI controller> port
0x1c48-0x1c4f,0x1c1c-0x1c1f,0x1c40-0x1c47,0x1c18-0x1c1b,0x1c20-0x1c3f
mem 0xfe226000-0xfe2267ff irq 16 at device 31.2 on pci0
atapci1: [ITHREAD]
atapci1: AHCI Version 01.10 controller with 3 ports PM not supported
ata2: <ATA channel 0> on atapci1
ata2: [ITHREAD]
ata3: <ATA channel 1> on atapci1
ata3: port not implemented
ata3: [ITHREAD]
ata4: <ATA channel 2> on atapci1
ata4: [ITHREAD]
pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
acpi_hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi0
Timecounter "HPET" frequency 14318180 Hz quality 900
cpu0: <ACPI CPU> on acpi0
est0: <Enhanced SpeedStep Frequency Control> on cpu0
p4tcc0: <CPU Frequency Thermal Control> on cpu0
cpu1: <ACPI CPU> on acpi0
est1: <Enhanced SpeedStep Frequency Control> on cpu1
p4tcc1: <CPU Frequency Thermal Control> on cpu1
acpi_lid0: <Control Method Lid Switch> on acpi0
acpi_button0: <Sleep Button> on acpi0
acpi_tz0: <Thermal Zone> on acpi0
acpi_tz1: <Thermal Zone> on acpi0
atrtc0: <AT realtime clock> port 0x70-0x71 irq 8 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 Generic PS/2 mouse, device ID 0
battery0: <ACPI Control Method Battery> on acpi0
acpi_acad0: <AC Adapter> on acpi0
acpi_ibm0: <IBM ThinkPad ACPI Extras> on acpi0
pmtimer0 on isa0
orm0: <ISA Option ROMs> at iomem 0xc0000-0xcefff,0xe0000-0xeffff pnpid
ORM0000 on isa0
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
ad4: 152627MB <WDC WD1600BEVS-08RST2 08.01G08> at ata2-master SATA150
pcm0: <HDA Codec: Analog Devices AD1984>
pcm0: <HDA Driver Revision: 20080420_0052>
unknown: FAILURE - INQUIRY ILLEGAL REQUEST asc=0x24 ascq=0x00 sks=0x40 0x00 0x01
unknown: FAILURE - INQUIRY ILLEGAL REQUEST asc=0x24 ascq=0x00 sks=0x40 0x00 0x01
cd0 at ata0 bus 0 target 0 lun 0
cd0: <HL-DT-ST DVDRAM GSA-U10N 1.05> Removable CD-ROM SCSI-0 device
cd0: 3.300MB/s transfers
cd0: Attempt to query device size failed: NOT READY, Medium not present
SMP: AP CPU #1 Launched!
Trying to mount root from ufs:/dev/ad4s1a
wlan0: Ethernet address: 00:1d:e0:9b:ba:89
wlan0: link state changed to UP
iwn0: need multicast update callback
iwn0: need multicast update callback
iwn0: need multicast update callback
iwn0: need multicast update callback
link_elf: symbol dev2unit undefined
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end of system reboot procedure
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ad4: FAILURE FLUSHCACHE48 time out
Rebuting ...
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please, any solution?

/Vladimir Ermakov