实际测试发现网卡速率只有7到8Mbps，内核dmesg信息如下：（急等问题解决）
[ 2.395000] hub 1-2:1.0: 3 ports detected
[ 2.400000] setup_irq: ret = 0
[ 2.405000] PWM clock = 100000000
[ 2.405000] TCNT_FOR_SAMPLE_BIT = 650, TCFG1 = 00010004
[ 2.410000] input: fa_ts_input as /devices/virtual/input/input1
[ 2.420000] ts-if initialized
[ 2.420000] s3c-rtc s3c64xx-rtc: rtc core: registered s3c as rtc0
[ 2.425000] i2c /dev entries driver
[ 2.430000] gspca_main: v2.14.0 registered
[ 2.435000] usbcore: registered new interface driver benq
[ 2.440000] usbcore: registered new interface driver conex
[ 2.445000] usbcore: registered new interface driver cpia1
[ 2.450000] usbcore: registered new interface driver etoms
[ 2.455000] usbcore: registered new interface driver finepix
[ 2.460000] 4: TCNTB=0000028a, TCNTO=0000026c, TINT_CSTAT=00000008
[ 2.470000] usbcore: registered new interface driver jeilinj
[ 2.475000] usbcore: registered new interface driver jl2005bcd
[ 2.480000] usbcore: registered new interface driver kinect
[ 2.485000] usbcore: registered new interface driver konica
[ 2.490000] usbcore: registered new interface driver mars
[ 2.495000] usbcore: registered new interface driver mr97310a
[ 2.500000] usbcore: registered new interface driver nw80x
[ 2.505000] usbcore: registered new interface driver ov519
[ 2.515000] 4: TCNTB=0000028a, TCNTO=00000097, TINT_CSTAT=00000008
[ 2.520000] usbcore: registered new interface driver ov534
[ 2.525000] usbcore: registered new interface driver ov534_9
[ 2.530000] usbcore: registered new interface driver pac207
[ 2.535000] usbcore: registered new interface driver gspca_pac7302
[ 2.540000] usbcore: registered new interface driver pac7311
[ 2.545000] usbcore: registered new interface driver se401
[ 2.555000] usbcore: registered new interface driver sn9c2028
[ 2.560000] usbcore: registered new interface driver gspca_sn9c20x
[ 2.565000] usbcore: registered new interface driver sonixb
[ 2.570000] usbcore: registered new interface driver sonixj
[ 2.575000] usbcore: registered new interface driver spca500
[ 2.580000] usbcore: registered new interface driver spca501
[ 2.585000] usbcore: registered new interface driver spca505
[ 2.595000] usbcore: registered new interface driver spca506
[ 2.600000] usbcore: registered new interface driver spca508
[ 2.605000] usbcore: registered new interface driver spca561
[ 2.610000] usbcore: registered new interface driver spca1528
[ 2.615000] usbcore: registered new interface driver sq905
[ 2.620000] usbcore: registered new interface driver sq905c
[ 2.625000] usbcore: registered new interface driver sq930x
[ 2.630000] usbcore: registered new interface driver sunplus
[ 2.640000] usbcore: registered new interface driver stk014
[ 2.645000] usbcore: registered new interface driver stv0680
[ 2.650000] usbcore: registered new interface driver t613
[ 2.655000] usbcore: registered new interface driver gspca_topro
[ 2.660000] usbcore: registered new interface driver tv8532
[ 2.665000] usbcore: registered new interface driver vc032x
[ 2.670000] usbcore: registered new interface driver vicam
[ 2.675000] usbcore: registered new interface driver xirlink-cit
[ 2.685000] usbcore: registered new interface driver gspca_zc3xx
[ 2.690000] usbcore: registered new interface driver ALi m5602
[ 2.695000] usbcore: registered new interface driver STV06xx
[ 2.700000] usbcore: registered new interface driver gspca_gl860
[ 2.725000] usb 1-2.1: new high-speed USB device number 3 using s5p-ehci
[ 2.735000] FIMC-IS probe completed
[ 2.735000] [INFO]flite_probe:756: fimc-lite0 probe success
[ 2.735000] [INFO]flite_probe:756: fimc-lite1 probe success
[ 2.735000] s5p-fimc-md: Registered fimc.0.m2m as /dev/video0
[ 2.735000] s5p-fimc-md: Registered fimc.0.capture as /dev/video1
[ 2.740000] s5p-fimc-md: Registered fimc.1.m2m as /dev/video2
[ 2.745000] s5p-fimc-md: Registered fimc.1.capture as /dev/video3
[ 2.750000] s5p-fimc-md: Registered fimc.2.m2m as /dev/video4
[ 2.755000] s5p-fimc-md: Registered fimc.2.capture as /dev/video5
[ 2.765000] s5p-fimc-md: Registered fimc.3.m2m as /dev/video6
[ 2.770000] s5p-fimc-md: Registered fimc.3.capture as /dev/video7
[ 2.775000] s5p-mfc s5p-mfc: decoder registered as /dev/video8
[ 2.780000] s5p-mfc s5p-mfc: encoder registered as /dev/video9
[ 2.785000] HDMI unplugged
[ 2.790000] s5p-hdmiphy 8-0038: probe successful
[ 2.795000] s5p-hdmi exynos4-hdmi: probe successful
[ 2.800000] i2c i2c-7: attached s5p_ddc into i2c adapter successfully
[ 2.805000] i2c-core: driver [s5p_ddc] using legacy suspend method
[ 2.810000] i2c-core: driver [s5p_ddc] using legacy resume method
[ 2.815000] Samsung TV Mixer driver, (c) 2010-2011 Samsung Electronics Co., L
td.
[ 2.825000] usb 1-2.1: New USB device found, idVendor=0424, idProduct=4040
[ 2.825000] usb 1-2.1: New USB device strings: Mfr=1, Product=2, SerialNumber
=3
[ 2.825000] usb 1-2.1: Product: Ultra Fast Media Reader
[ 2.825000] usb 1-2.1: Manufacturer: Generic
[ 2.825000] usb 1-2.1: SerialNumber: 000000264001
[ 2.825000] scsi0 : usb-storage 1-2.1:1.0
[ 2.855000] s5p-mixer s5p-mixer: probe start
[ 2.860000] s5p-mixer s5p-mixer: resources acquired
[ 2.865000] s5p-mixer s5p-mixer: added output 'S5P HDMI connector' from modul
e 's5p-hdmi'
[ 2.875000] s5p-mixer s5p-mixer: module s5p-sdo is missing
[ 2.880000] s5p-mixer s5p-mixer: registered layer graph0 as /dev/video10
[ 2.885000] s5p-mixer s5p-mixer: registered layer graph1 as /dev/video11
[ 2.895000] s5p-mixer s5p-mixer: registered layer video0 as /dev/video12
[ 2.900000] s5p-mixer s5p-mixer: probe successful
[ 2.905000] Initialize JPEG driver
[ 2.910000] usb 1-2.2: new full-speed USB device number 4 using s5p-ehci
[ 2.915000] s5p-jpeg s5p-jpeg.0: JPEG driver is registered to /dev/video13
[ 2.920000] Exynos Graphics 2D driver, (c) 2011 Samsung Electronics
[ 2.930000] [fimg2d_probe] base address: 0x10800000
[ 2.930000] [fimg2d_probe] irq: 121
[ 2.935000] [fimg2d_clk_setup] parent clk: mout_g2d0
[ 2.940000] [fimg2d_clk_setup] sclk: sclk_fimg2d
[ 2.945000] [fimg2d_clk_setup] clkrate: 200000000 parent clkrate: 800000000
[ 2.950000] [fimg2d_clk_setup] gate clk: fimg2d
[ 2.955000] [fimg2d_probe] enable runtime pm
[ 2.960000] [fimg2d_probe] sysmmu disabled for fimg2d
[ 2.965000] usbcore: registered new interface driver uvcvideo
[ 2.970000] USB Video Class driver (1.1.1)
[ 2.975000] samsung-fake-battery samsung-fake-battery: samsung_fake_bat_probe
[ 3.015000] usb 1-2.2: not running at top speed; connect to a high speed hub
[ 3.025000] input: mma7660 as /devices/platform/s3c2440-i2c.3/i2c-3/3-004c/in
put/input2
[ 3.025000] mma7660 3-004c: MMA7660 device is probed successfully.
[ 3.025000] i2c-core: driver [mma7660] using legacy suspend method
[ 3.025000] i2c-core: driver [mma7660] using legacy resume method
[ 3.030000] MMA7660 sensor driver registered.
[ 3.035000] Exynos: Kernel Thermal management registered
[ 3.040000] s3c2410_wdt: S3C2410 Watchdog Timer, (c) 2004 Simtec Electronics
[ 3.050000] s3c2410-wdt s3c2410-wdt: watchdog inactive, reset disabled, irq d
isabled
[ 3.055000] device-mapper: uevent: version 1.0.3
[ 3.060000] device-mapper: ioctl: 4.22.0-ioctl (2011-10-19) initialised: dm-d
evel@redhat.com[ 3.070000] Front
[ 3.070000] Bluetooth: Virtual HCI driver ver 1.3
[ 3.075000] Bluetooth: HCI UART driver ver 2.2
[ 3.080000] Bluetooth: HCI H4 protocol initialized
[ 3.085000] Bluetooth: HCI BCSP protocol initialized
[ 3.090000] Bluetooth: HCILL protocol initialized
[ 3.095000] usbcore: registered new interface driver bcm203x
[ 3.100000] usbcore: registered new interface driver bpa10x
[ 3.105000] usbcore: registered new interface driver bfusb
[ 3.110000] usbcore: registered new interface driver btusb
[ 3.115000] usb 1-2.2: New USB device found, idVendor=0a46, idProduct=9621
[ 3.125000] usb 1-2.2: New USB device strings: Mfr=1, Product=2, SerialNumber
=3
[ 3.125000] cpuidle: using governor ladder
[ 3.135000] cpuidle: using governor menu
[ 3.135000] dm962x: dm_read_reg() 0x29 0x0a
[ 3.135000] dm962x: dm_read_reg() 0x28 0x46
[ 3.135000] dm962x: dm_read_reg() 0x2b 0x96
[ 3.135000] dm962x: dm_read_reg() 0x2a 0x21
[ 3.135000] dm962x: dm_read_reg() 0xF2 0x00
[ 3.135000] dm962x: [Analysis.2] 0xF2, D[7] 0 OK
[ 3.135000] dm962x: [Analysis.2] 0xF2, D[6] 0 OK
[ 3.135000] dm962x: [Analysis.2] 0xF2, D[5] 0 EP1: Empty
[ 3.135000] dm962x: [Analysis.2] 0xF2, D[3] 0 OK
[ 3.135000] dm962x: [Analysis.2] 0xF2, D[2] 0 OK
[ 3.135000] dm962x: [Analysis.2] 0xF2, D[1] 0 OK
[ 3.135000] dm962x: [Analysis.2] 0xF2, D[0] 0 Status: TX buffer 0 pkts
[ 3.140000] dm962x: ethernet MAC address 00:00:ff:ff:00:00 (chip)
[ 3.140000] dm962x: 9620 Mode = 128
[ 3.155000] dm9620 1-2.2:1.0: eth0: register 'dm9620' at usb-s5p-ehci-2.2, Da
vicom DM9620 USB Ethernet, 00:00:ff:ff:00:00
[ 3.215000] sdhci: Secure Digital Host Controller Interface driver
[ 3.220000] sdhci: Copyright(c) Pierre Ossman
[ 3.225000] Synopsys Designware Multimedia Card Interface Driver
[ 3.230000] dw_mmc dw_mmc: Using internal DMA controller.
[ 3.240000] usb 1-2.3: new high-speed USB device number 5 using s5p-ehci
[ 3.265000] dw_mmc dw_mmc: Version ID is 240a
[ 3.265000] mmc_host mmc0: Bus speed (slot 0) = 50000000Hz (slot req 400000Hz
, actual 396825HZ div = 63)
[ 3.265000] dw_mmc dw_mmc: DW MMC controller at irq 109, 32 bit host data wid
th, 128 deep fifo
[ 3.265000] s3c-sdhci exynos4-sdhci.2: clock source 2: mmc_busclk.2 (10000000
0 Hz)
[ 3.275000] Registered led device: mmc1::
[ 3.305000] mmc_host mmc0: Bus speed (slot 0) = 50000000Hz (slot req 300000Hz
, actual 297619HZ div = 84)
[ 3.305000] mmc1: SDHCI controller on samsung-hsmmc [exynos4-sdhci.2] using A
DMA
[ 3.305000] s3c-sdhci exynos4-sdhci.3: clock source 2: mmc_busclk.2 (10000000
0 Hz)
[ 3.305000] Registered led device: mmc2::
[ 3.335000] mmc2: SDHCI controller on samsung-hsmmc [exynos4-sdhci.3] using A
DMA
[ 3.335000] usbcore: registered new interface driver usbhid
[ 3.335000] usbhid: USB HID core driver
[ 3.335000] Samsung Audio Subsystem Driver, (c) 2011 Samsung Electronics
[ 3.335000] audss_init: RCLK SRC[busclk]
[ 3.340000] Samsung SRP driver, (c)2011 Samsung Electronics
[ 3.345000] GACT probability NOT on
[ 3.345000] Mirror/redirect action on
[ 3.350000] usb 1-2.3: New USB device found, idVendor=1a40, idProduct=0101
[ 3.350000] usb 1-2.3: New USB device strings: Mfr=0, Product=1, SerialNumber
=0
[ 3.350000] usb 1-2.3: Product: USB 2.0 Hub
[ 3.350000] hub 1-2.3:1.0: USB hub found
[ 3.350000] hub 1-2.3:1.0: 4 ports detected
[ 3.355000] mmc_host mmc0: Bus speed (slot 0) = 50000000Hz (slot req 52000000
Hz, actual 50000000HZ div = 0)
[ 3.355000] mmc_host mmc0: Bus speed (slot 0) = 100000000Hz (slot req 5200000
0Hz, actual 50000000HZ div = 1)
[ 3.355000] mmc0: new high speed DDR MMC card at address 0001
[ 3.355000] mmcblk0: mmc0:0001 M4G1YC 3.64 GiB
[ 3.355000] mmcblk0boot0: mmc0:0001 M4G1YC partition 1 2.00 MiB
[ 3.355000] mmcblk0boot1: mmc0:0001 M4G1YC partition 2 2.00 MiB
[ 3.360000] mmcblk0: p1
[ 3.360000] mmcblk0boot1: unknown partition table
[ 3.360000] mmcblk0boot0: unknown partition table
[ 3.430000] u32 classifier
[ 3.435000] Actions configured
[ 3.435000] Netfilter messages via NETLINK v0.30.
[ 3.440000] nf_conntrack version 0.5.0 (15535 buckets, 62140 max)
[ 3.445000] ctnetlink v0.93: registering with nfnetlink.
[ 3.450000] NF_TPROXY: Transparent proxy support initialized, version 4.1.0
[ 3.460000] NF_TPROXY: Copyright (c) 2006-2007 BalaBit IT Ltd.
[ 3.465000] xt_time: kernel timezone is -0000
[ 3.470000] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 3.475000] arp_tables: (C) 2002 David S. Miller
[ 3.480000] TCP: cubic registered
[ 3.485000] Initializing XFRM netlink socket
[ 3.485000] NET: Registered protocol family 10
[ 3.490000] mip6: Mobile IPv6
[ 3.495000] ip6_tables: (C) 2000-2006 Netfilter Core Team
[ 3.500000] sit: IPv6 over IPv4 tunneling driver
[ 3.505000] NET: Registered protocol family 17
[ 3.510000] NET: Registered protocol family 15
[ 3.515000] Bluetooth: RFCOMM TTY layer initialized
[ 3.520000] Bluetooth: RFCOMM socket layer initialized
[ 3.525000] Bluetooth: RFCOMM ver 1.11
[ 3.525000] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 3.530000] Bluetooth: BNEP filters: protocol multicast
[ 3.535000] Bluetooth: HIDP (Human Interface Emulation) ver 1.2
[ 3.545000] NET: Registered protocol family 35
[ 3.550000] Key type dns_resolver registered
[ 3.550000] EXYNOS4X12: Adaptive Support Voltage init
[ 3.555000] EXYNOS4X12(SG): ORIG : 2 MOD : 0 RESULT : 2
[ 3.560000] EXYNOS: Fail to get HPM Value
[ 3.565000] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9
rev 4
[ 3.575000] ThumbEE CPU extension supported.
[ 3.580000] Registering SWP/SWPB emulation handler
[ 3.585000] [ 6 ] Memory Type Undertermined.
[ 3.585000] DVFS : VDD_INT Voltage table set with 0 Group
[ 3.620000] Failed to init busfreq.
[ 3.620000] s3c-rtc s3c64xx-rtc: setting system clock to 2014-11-21 14:47:14
UTC (1416581234)
[ 3.620000] hotplug_policy_init: intialised with policy : DVFS_NR_BASED_HOTPL
UG
[ 3.620000] ALSA device list:
[ 3.620000] No soundcards found.
[ 3.620000] Freeing init memory: 212K
[ 3.630000] EXT4-fs (mmcblk0p1): INFO: recovery required on readonly filesyst
em
[ 3.630000] EXT4-fs (mmcblk0p1): write access will be enabled during recovery
[ 3.745000] EXT4-fs (mmcblk0p1): recovery complete
[ 3.745000] EXT4-fs (mmcblk0p1): mounted filesystem with ordered data mode. O
pts: (null)
[ 3.750000] EXT4-fs (mmcblk0p1): re-mounted. Opts: data=ordered
[ 3.825000] scsi 0:0:0:0: Direct-Access Generic Ultra HS-COMBO 2.01 PQ
: 0 ANSI: 0
[ 3.825000] sd 0:0:0:0: Attached scsi generic sg0 type 0
[ 3.830000] sd 0:0:0:0: [sda] Attached SCSI removable disk
[ 7.385000] FriendlyARM
http://www.arm9.net[ 7.500000] asoc: wm8960-hifi <-> samsung-i2s.0 mapping ok
[ 7.500000] preallocate_idma_buffer: VA-f0780000 PA-2058000 131072bytes
[ 7.500000] asoc: wm8960-hifi <-> samsung-i2s.4 mapping ok
[ 7.565000] rtw driver version=v3.4.4_4749.20121105
[ 7.565000] Build at: Aug 14 2013 17:16:01
[ 7.565000] usbcore: registered new interface driver rtl8192cu
[ 7.575000] Compat-drivers backport release: compat-drivers-v3.8.3-2-snpu
[ 7.575000] Backport based on linux-stable.git v3.8.3
[ 7.575000] compat.git: linux-stable.git
[ 7.595000] cfg80211: Calling CRDA to update world regulatory domain
[ 7.645000] usbcore: registered new interface driver ath9k_htc
[ 7.660000] usbcore: registered new interface driver rt73usb
[ 7.670000] usbcore: registered new interface driver rt2800usb
[ 7.680000] usbcore: registered new interface driver zd1211rw
[ 7.695000] libertas_sdio: Libertas SDIO driver
[ 7.695000] libertas_sdio: Copyright Pierre Ossman
[ 7.715000] dm962x: Set mac addr 08:90:90:90:90:24
[ 7.720000] dm9620 1-2.2:1.0: eth0: link up, 100Mbps, full-duplex, lpa 0xCDE1
[ 7.725000] link_reset() speed: 100 duplex: 1
[root@wallet /]#
