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hi：
各位，我使用2.6.28的 kernel，挂载nfs时候，出现IP-Config: No network devices available.错误提示。希望各位提供支持与帮助。
以下是启动全过程：
IOS EBDA/lowmem at: 0008fc00/0008fc00
[ 0.000000] Linux version 2.6.28-android-x86 (root@localhost.localdomain) (gcc version 4.3.2 20081105 (Red Hat 4.3.2-7) (GC0
[ 0.000000] KERNEL supported cpus:
[ 0.000000] Intel GenuineIntel
[ 0.000000] AMD AuthenticAMD
[ 0.000000] NSC Geode by NSC
[ 0.000000] Cyrix CyrixInstead
[ 0.000000] Centaur CentaurHauls
[ 0.000000] Transmeta GenuineTMx86
[ 0.000000] Transmeta TransmetaCPU
[ 0.000000] UMC UMC UMC UMC
[ 0.000000] BIOS-provided physical RAM map:
[ 0.000000] BIOS-e801: 0000000000000000 - 000000000009f000 (usable)
[ 0.000000] BIOS-e801: 0000000000100000 - 0000000030000000 (usable)
[ 0.000000] user-defined physical RAM map:
[ 0.000000] user: 0000000000000000 - 00000000000a0000 (usable)
[ 0.000000] user: 0000000000100000 - 000000000b500000 (usable)
[ 0.000000] DMI not present or invalid.
[ 0.000000] last_pfn = 0xb500 max_arch_pfn = 0x100000
[ 0.000000] ACPI Error (tbxfroot-021 : A valid RSDP was not found [20080926]
[ 0.000000] 0MB HIGHMEM available.
[ 0.000000] 181MB LOWMEM available.
[ 0.000000] mapped low ram: 0 - 0b500000
[ 0.000000] low ram: 00000000 - 0b500000
[ 0.000000] bootmap 00002000 - 000036a0
[ 0.000000] (8 early reservations) ==> bootmem [0000000000 - 000b500000]
[ 0.000000] #0 [0000000000 - 0000001000] BIOS data page ==> [0000000000 - 0000001000]
[ 0.000000] #1 [0000001000 - 0000002000] EX TRAMPOLINE ==> [0000001000 - 0000002000]
[ 0.000000] #2 [0000006000 - 0000007000] TRAMPOLINE ==> [0000006000 - 0000007000]
[ 0.000000] #3 [0000100000 - 0000664308] TEXT DATA BSS ==> [0000100000 - 0000664308]
[ 0.000000] #4 [0000665000 - 0000668000] INIT_PG_TABLE ==> [0000665000 - 0000668000]
[ 0.000000] #5 [000008fc00 - 0000100000] BIOS reserved ==> [000008fc00 - 0000100000]
[ 0.000000] #6 [0000007000 - 0000009000] PGTABLE ==> [0000007000 - 0000009000]
[ 0.000000] #7 [0000002000 - 0000004000] BOOTMAP ==> [0000002000 - 0000004000]
[ 0.000000] Zone PFN ranges:
[ 0.000000] DMA 0x00000000 -> 0x00001000
[ 0.000000] Normal 0x00001000 -> 0x0000b500
[ 0.000000] HighMem 0x0000b500 -> 0x0000b500
[ 0.000000] Movable zone start PFN for each node
[ 0.000000] early_node_map[2] active PFN ranges
[ 0.000000] 0: 0x00000000 -> 0x000000a0
[ 0.000000] 0: 0x00000100 -> 0x0000b500
[ 0.000000] Using APIC driver default
[ 0.000000] SMP: Allowing 1 CPUs, 0 hotplug CPUs
[ 0.000000] Local APIC disabled by BIOS -- you can enable it with "lapic"
[ 0.000000] Allocating PCI resources starting at 10000000 (gap: b500000:f4b00000)
[ 0.000000] PERCPU: Allocating 32768 bytes of per cpu data
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 45878
[ 0.000000] Kernel command line: console=ttyS0,115200 root=/dev/nfs nfsroot=192.168.1.40:/tftpboot/fsroot,nolock rw ip=192.M
[ 0.000000] Enabling fast FPU save and restore... done.
[ 0.000000] Enabling unmasked SIMD FPU exception support... done.
[ 0.000000] Initializing CPU#0
[ 0.000000] PID hash table entries: 1024 (order: 10, 4096 bytes)
[ 0.000000] Fast TSC calibration using PIT
[ 0.000000] Detected 1066.612 MHz processor.
[ 0.010000] Console: colour dummy device 80x25
[ 0.010000] console [ttyS0] enabled
[ 0.010000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
[ 0.010000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
[ 0.010000] Memory: 177452k/185344k available (2675k kernel code, 7360k reserved, 1743k data, 316k init, 0k highmem)
[ 0.010000] virtual kernel memory layout:
[ 0.010000] fixmap : 0xfff9e000 - 0xfffff000 ( 388 kB)
[ 0.010000] pkmap : 0xff800000 - 0xffc00000 (4096 kB)
[ 0.010000] vmalloc : 0xcbd00000 - 0xff7fe000 ( 826 MB)
[ 0.010000] lowmem : 0xc0000000 - 0xcb500000 ( 181 MB)
[ 0.010000] .init : 0xc0557000 - 0xc05a6000 ( 316 kB)
[ 0.010000] .data : 0xc039cf85 - 0xc0550cfc (1743 kB)
[ 0.010000] .text : 0xc0100000 - 0xc039cf85 (2675 kB)
[ 0.010000] Checking if this processor honours the WP bit even in supervisor mode...Ok.
[ 0.010020] Calibrating delay loop (skipped), value calculated using timer frequency.. 2133.22 BogoMIPS (lpj=10666120)
[ 0.020052] Security Framework initialized
[ 0.024164] Mount-cache hash table entries: 512
[ 0.028908] CPU: L1 I cache: 32K, L1 D cache: 32K
[ 0.031663] CPU: L2 cache: 256K
[ 0.034790] CPU serial number disabled.
[ 0.040005] Intel machine check architecture supported.
[ 0.045216] Intel machine check reporting enabled on CPU#0.
[ 0.050019] Checking 'hlt' instruction... OK.
[ 0.091022] SMP alternatives: switching to UP code
[ 0.229466] Freeing SMP alternatives: 11k freed
[ 0.230026] ACPI: Core revision 20080926
[ 0.234047] ACPI Exception (tbxface-0627): AE_NO_ACPI_TABLES, While loading namespace from ACPI tables [20080926]
[ 0.244606] ACPI: Unable to load the System Description Tables
[ 0.250152] weird, boot CPU (#0) not listedby the BIOS.
[ 0.255372] SMP motherboard not detected.
[ 0.260036] Local APIC not detected. Using dummy APIC emulation.
[ 0.266031] SMP disabled
[ 0.270854] Brought up 1 CPUs
[ 0.273816] Total of 1 processors activated (2133.22 BogoMIPS).
[ 0.280504] net_namespace: 296 bytes
[ 0.284507] NET: Registered protocol family 16
[ 0.291408] PCI: Using configuration type 1 for base access
[ 0.304611] ACPI: Interpreter disabled.
[ 0.308917] SCSI subsystem initialized
[ 0.310380] usbcore: registered new interface driver usbfs
[ 0.316018] usbcore: registered new interface driver hub
[ 0.320121] usbcore: registered new device driver usb
[ 0.325882] PCI: Probing PCI hardware
[ 0.330849] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold
[ 0.340013] pci 0000:00:1c.0: PME# disabled
[ 0.344221] pci 0000:00:1c.1: PME# supported from D0 D3hot D3cold
[ 0.350041] pci 0000:00:1c.1: PME# disabled
[ 0.360291] cfg80211: Using static regulatory domain info
[ 0.365514] cfg80211: Regulatory domain: US
[ 0.370008] (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
[ 0.377217] (2402000 KHz - 2472000 KHz @ 40000 KHz), (600 mBi, 2700 mBm)
[ 0.380004] (5170000 KHz - 5190000 KHz @ 40000 KHz), (600 mBi, 2300 mBm)
[ 0.390004] (5190000 KHz - 5210000 KHz @ 40000 KHz), (600 mBi, 2300 mBm)
[ 0.396778] (5210000 KHz - 5230000 KHz @ 40000 KHz), (600 mBi, 2300 mBm)
[ 0.400004] (5230000 KHz - 5330000 KHz @ 40000 KHz), (600 mBi, 2300 mBm)
[ 0.410004] (5735000 KHz - 5835000 KHz @ 40000 KHz), (600 mBi, 3000 mBm)
[ 0.416785] cfg80211: Calling CRDA for country: US
[ 0.420139] pnp: PnP ACPI: disabled
[ 0.423619] PnPBIOS: Scanning system for PnP BIOS support...
[ 0.430097] PnPBIOS: PnP BIOS support was not detected.
[ 0.436423] pci 0000:00:01.0: PCI bridge, secondary bus 0000:01
[ 0.442381] pci 0000:00:01.0: IO window: disabled
[ 0.447255] pci 0000:00:01.0: MEM window: 0xc0000000-0xdfffffff
[ 0.453345] pci 0000:00:01.0: PREFETCH window: disabled
[ 0.458746] pci 0000:00:1c.0: PCI bridge, secondary bus 0000:02
[ 0.464656] pci 0000:00:1c.0: IO window: disabled
[ 0.469535] pci 0000:00:1c.0: MEM window: disabled
[ 0.474493] pci 0000:00:1c.0: PREFETCH window: disabled
[ 0.479894] pci 0000:00:1c.1: PCI bridge, secondary bus 0000:03
[ 0.485803] pci 0000:00:1c.1: IO window: disabled
[ 0.490682] pci 0000:00:1c.1: MEM window: disabled
[ 0.495639] pci 0000:00:1c.1: PREFETCH window: disabled
[ 0.501079] bus: 00 index 0 io port: [0x00-0xffff]
[ 0.505856] bus: 00 index 1 mmio: [0x000000-0xffffffff]
[ 0.511081] bus: 01 index 0 mmio: [0x0-0x0]
[ 0.515250] bus: 01 index 1 mmio: [0xc0000000-0xdfffffff]
[ 0.520647] bus: 01 index 2 mmio: [0x0-0x0]
[ 0.524816] bus: 01 index 3 mmio: [0x0-0x0]
[ 0.528998] bus: 02 index 0 mmio: [0x0-0x0]
[ 0.533166] bus: 02 index 1 mmio: [0x0-0x0]
[ 0.537334] bus: 02 index 2 mmio: [0x0-0x0]
[ 0.541515] bus: 02 index 3 mmio: [0x0-0x0]
[ 0.545685] bus: 03 index 0 mmio: [0x0-0x0]
[ 0.549868] bus: 03 index 1 mmio: [0x0-0x0]
[ 0.554036] bus: 03 index 2 mmio: [0x0-0x0]
[ 0.558218] bus: 03 index 3 mmio: [0x0-0x0]
[ 0.562446] NET: Registered protocol family 2
[ 0.566980] IP route cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.574006] TCP established hash table entries: 8192 (order: 4, 65536 bytes)
[ 0.581159] TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
[ 0.587696] TCP: Hash tables configured (established 8192 bind 8192)
[ 0.594054] TCP reno registered
[ 0.597377] NET: Registered protocol family 1
[ 0.602365] platform rtc_cmos: registered platform RTC device (no PNP device found)
[ 0.610042] Machine check exception polling timer started.
[ 0.616119] Microcode Update Driver: v2.00 <tigran@aivazian.fsnet.co.uk>, Peter Oruba
[ 0.626126] ashmem: initialized
[ 0.629469] VFS: Disk quotas dquot_6.5.1
[ 0.633417] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 0.640089] squashfs: version 3.4 (2008/08/26) Phillip Lougher
[ 0.645948] fuse init (API version 7.10)
[ 0.650106] msgmni has been set to 346
[ 0.654233] alg: No test for stdrng (krng)
[ 0.658365] io scheduler noop registered
[ 0.662280] io scheduler anticipatory registered (default)
[ 0.672751] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
[ 0.678756] isapnp: Scanning for PnP cards...
[ 1.040484] isapnp: No Plug & Play device found
[ 1.287857] Linux agpgart interface v0.103
[ 1.292071] Serial: 8250/16550 driver4 ports, IRQ sharing disabled
[ 1.298444] serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a GEN3_serial
[ 1.305585] serial8250: ttyS1 at I/O 0x2f8 (irq = 4) is a GEN3_serial
[ 1.317495] brd: module loaded
[ 1.322345] loop: module loaded
[ 1.326465] logger: created 64K log 'log_main'
[ 1.331328] logger: created 256K log 'log_events'
[ 1.336421] logger: created 64K log 'log_radio'
[ 1.341172] Driver 'sd' needs updating - please use bus_type methods
[ 1.347577] Driver 'sr' needs updating - please use bus_type methods
[ 1.354277] ahci 0000:01:0e.0: AHCI 0001.0000 32 slots 2 ports 1.5 Gbps 0x3 impl SATA mode
[ 1.362631] ahci 0000:01:0e.0: flags: ncq pm
[ 1.367590] scsi0 : ahci
[ 1.370597] scsi1 : ahci
[ 1.373334] ata1: SATA max UDMA/133 abar m512@0xdf800400 port 0xdf800500 irq 4
[ 1.380582] ata2: SATA max UDMA/133 abar m512@0xdf800400 port 0xdf800580 irq 4
[ 1.737814] ata1: SATA link down (SStatus 0 SControl 300)
[ 2.107828] ata2: SATA link down (SStatus 0 SControl 300)
[ 2.128778] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 2.135404] ehci_hcd 0000:01:0d.0: EHCI Host Controller
[ 2.141272] ehci_hcd 0000:01:0d.0: new USB bus registered, assigned bus number 1
[ 2.177851] ehci_hcd 0000:01:0d.0: irq 4, io mem 0xdf810100
[ 2.197825] ehci_hcd 0000:01:0d.0: USB 0.0 started, EHCI 1.00
[ 2.204108] usb usb1: configuration #1 chosen from 1 choice
[ 2.209836] hub 1-0:1.0: USB hub found
[ 2.213591] hub 1-0:1.0: 1 port detected
[ 2.218774] ehci_hcd 0000:01:0d.1: EHCI Host Controller
[ 2.224554] ehci_hcd 0000:01:0d.1: new USB bus registered, assigned bus number 2
[ 2.257855] ehci_hcd 0000:01:0d.1: irq 4, io mem 0xdf820100
[ 2.277828] ehci_hcd 0000:01:0d.1: USB 0.0 started, EHCI 1.00
[ 2.284115] usb usb2: configuration #1 chosen from 1 choice
[ 2.289861] hub 2-0:1.0: USB hub found
[ 2.293615] hub 2-0:1.0: 1 port detected
[ 2.298731] uhci_hcd: USB Universal Host Controller Interface driver
[ 2.305243] Initializing USB Mass Storage driver...
[ 2.310295] usbcore: registered new interface driver usb-storage
[ 2.316297] USB Mass Storage support registered.
[ 2.321031] usbcore: registered new interface driver libusual
[ 2.326854] usbcore: registered new interface driver usbled
[ 2.332777] PNP: No PS/2 controller found. Probing ports directly.
[ 2.339824] i8042.c: No controller found.
[ 2.344866] mice: PS/2 mouse device common for all mice
[ 2.350478] I2O subsystem v1.325
[ 2.353696] i2o: max drivers = 8
[ 2.358410] rtc_cmos rtc_cmos: rtc core: registered rtc_cmos as rtc0
[ 2.364778] rtc0: alarms up to one day, 114 bytes nvram
[ 2.370131] i2c /dev entries driver
[ 2.373938] cpuidle: using governor ladder
[ 2.378047] cpuidle: using governor menu
[ 2.382051] sdhci: Secure Digital Host Controller Interface driver
[ 2.388273] sdhci: Copyright(c) Pierre Ossman
[ 2.394346] usbcore: registered new interface driver usbhid
[ 2.399945] usbhid: v2.6:USB HID core driver
[ 2.404445] sxg: sxg_init_driver sxg_first_init set jiffies[ffff8bc0]
[ 2.411220] usbip_common_mod: usbip common driver1.0<6>vhci_hcd: vhci_hcd, 1.0
[ 2.418634] usbip: proving...
[ 2.421594] vhci_hcd vhci_hcd: USB/IP Virtual Host Contoroller
[ 2.428140] vhci_hcd vhci_hcd: new USB bus registered, assigned bus number 3
[ 2.435910] usb usb3: configuration #1 chosen from 1 choice
[ 2.441647] hub 3-0:1.0: USB hub found
[ 2.445393] hub 3-0:1.0: 8 ports detected
[ 2.527848] usb 1-1: new high speed USB device using ehci_hcd and address 2
[ 2.681103] usb 1-1: configuration #1 chosen from 1 choice
[ 2.687079] scsi2 : SCSI emulation for USB Mass Storage devices
[ 2.695050] usbcore: registered new interface driver usbip
[ 2.700577] usbip:Stub Driver for USB/IP:1.0
[ 2.704944] usbcore: registered new interface driver w35und
[ 2.710537] Atmel at76x USB Wireless LAN Driver 0.17 loading
[ 2.716301] usbcore: registered new interface driver at76_usb
[ 2.722189] Advanced Linux Sound Architecture Driver Version 1.0.18rc3.
[ 2.728832] ALSA device list:
[ 2.731788] No soundcards found.
[ 2.735217] TCP cubic registered
[ 2.738450] NET: Registered protocol family 17
[ 2.742901] IO APIC resources could be not be allocated.
[ 2.748220] Using IPI No-Shortcut mode
[ 2.753617] rtc_cmos rtc_cmos: setting system clock to 2000-10-09 19:14:33 UTC (971118873)
[ 2.807871] usb 2-1: new low speed USB device using ehci_hcd and address 2
[ 2.966988] usb 2-1: configuration #1 chosen from 1 choice
[ 2.978368] input: Logitech Logitech USB Keyboard as /devices/pci0000:00/0000:00:01.0/0000:01:0d.1/usb2/2-1/2-1:1.0/input/i0
[ 2.990581] generic-usb 0003:046D:C315.0001: input: USB HID v1.10 Keyboard [Logitech Logitech USB Keyboard] on usb-0000:01:0
[ 3.268024] IP-Config: No network devices available.
[ 3.273328] VFS: Cannot open root device "nfs" or unknown-block(0,255)
[ 3.279867] Please append a correct "root=" boot option; here are the available partitions:
[ 3.288245] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,255)
上面我使用颜色标注了，找不到网络设备。清各位提供建议。谢谢。
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发表于 2010-01-13 18:06
发表于 2010-01-13 20:39
