麻烦各位大神帮帮小弟，在此先谢过了!

开发平台：Tiny 4412增强版

核心版本：FriendlyArm 提供Kernel linux-3.5

问题：在kernel 目录下make menuconfig, 选中ＣＤＣＡＣＭ驱动：　Device Drivers->USB support-> USB Modem (CDC ACM) support后烧进开发版kernel不断reboot

----------------------------------------------------------------------------以下是终端机显示log----------------------------------------------------------------------------------------

3.805000] dm9620 1-2.2:1.0: eth0: register 'dm9620' at usb-s5p-ehci-2.2, Davicom DM9620 USB Ethernet, 00:00:ff:ff:00:00

shell@android:/ $ [    3.890000] usb 1-2.3: new full-speed USB device number 5 using s5p-ehci

[    3.910000] asoc: wm8960-hifi samsung-i2s.0 mapping ok

[    3.910000] preallocate_idma_buffer:  VA-dff80000  PA-2058000  131072bytes

[    3.910000] asoc: wm8960-hifi samsung-i2s.4 mapping ok

[    3.995000] usb 1-2.3: New USB device found, idVendor=1546, idProduct=01a6

[    3.995000] usb 1-2.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0

[    3.995000] usb 1-2.3: Product: u-blox 6  -  GPS Receiver

[    3.995000] usb 1-2.3: Manufacturer: u-blox AG - www.u-blox.com

[    4.005000] cdc_acm 1-2.3:1.0: ttyACM0: USB ACM device

[    4.075000] rtl8192cu: Unknown symbol cfg80211_scan_done (err 0)

[    4.075000] rtl8192cu: Unknown symbol cfg80211_remain_on_channel_expired (err 0)

[    4.075000] rtl8192cu: Unknown symbol cfg80211_disconnected (err 0)

[    4.075000] rtl8192cu: Unknown symbol cfg80211_ready_on_channel (err 0)

[    4.085000] rtl8192cu: Unknown symbol wiphy_register (err 0)

[    4.085000] rtl8192cu: Unknown symbol wiphy_new (err 0)

[    4.095000] rtl8192cu: Unknown symbol cfg80211_roamed (err 0)

[    4.100000] rtl8192cu: Unknown symbol cfg80211_michael_mic_failure (err 0)

[    4.105000] rtl8192cu: Unknown symbol cfg80211_connect_result (err 0)

[    4.105000] init: untracked pid 103 exited

[    4.115000] rtl8192cu: Unknown symbol wiphy_unregister (err 0)

[    4.120000] rtl8192cu: Unknown symbol __ieee80211_get_channel (err 0)

[    4.125000] rtl8192cu: Unknown symbol cfg80211_mgmt_tx_status (err 0)

[    4.135000] rtl8192cu: Unknown symbol cfg80211_rx_mgmt (err 0)

[    4.140000] rtl8192cu: Unknown symbol cfg80211_inform_bss_frame (err 0)

[    4.145000] rtl8192cu: Unknown symbol ieee80211_frequency_to_channel (err 0)

[    4.155000] rtl8192cu: Unknown symbol wiphy_free (err 0)

[    4.200000] init: untracked pid 108 exited

[    4.200000] init: untracked pid 301 exited

[    4.470000] scsi 0:0:0:0: Direct-Access     Generic  Ultra HS-COMBO   2.01 PQ: 0 ANSI: 0

[    4.470000] sd 0:0:0:0: Attached scsi generic sg0 type 0

[    4.475000] sd 0:0:0:0: [sda] Attached SCSI removable disk

[    9.385000] init: untracked pid 302 exited

[    9.385000] init: untracked pid 303 exited

[   14.280000] init: untracked pid 104 exited

[   14.285000] init: untracked pid 534 exited

[   14.285000] init: untracked pid 757 exited

[   14.285000] init: untracked pid 760 exited

[   14.430000] init: untracked pid 756 exited

[   14.435000] init: untracked pid 759 exited

[   14.465000] init: untracked pid 766 exited

[   14.465000] init: untracked pid 535 exited

[   14.520000] init: untracked pid 761 exited

[   14.575000] init: untracked pid 777 exited

[   14.575000] init: untracked pid 819 exited

[   14.575000] init: untracked pid 776 exited

[   14.640000] init: untracked pid 762 exited

[   20.020000] init: untracked pid 1047 exited

[   20.025000] init: untracked pid 1044 exited

[   20.030000] init: untracked pid 1045 exited

[   20.075000] init: untracked pid 1046 exited

[   20.075000] init: untracked pid 1050 exited

[   20.145000] init: untracked pid 821 exited

[   20.185000] init: untracked pid 1051 exited

[   24.360000] init: critical process 'servicemanager' exited 4 times in 4 minutes; rebooting into recovery mode

[   24.370000] SysRq : Emergency Remount R/O

[   24.380000] EXT4-fs (mmcblk0p4): re-mounted. Opts: (null)

[   24.390000] EXT4-fs (mmcblk0p3): re-mounted. Opts: (null)

[   24.390000] Emergency Remount complete

[   ?