前几天我在arm9之家买了一块128M的tiny6410和一个小小白 54M USB无线网卡，采用Ralink RT2070芯片，但是他无法正常在linux下工作.
使用最新的Friendlyarm linux-2.6.36-20110112内核和rootfs_qtopia_qt4-20110112文件系统。
无线路由为TL-WR541G/542G 54M无线宽带路由器，wpa/wpa2验证。usb wifi在win7下可正常使用。
linux下出错现象：
链接上马上就断开的（进入路由查看状态，偶尔会链接上，但ping不同）
dmeg输出如下：
Compat-wireless backport release: compat-wireless-2011-01-06
Backport based on linux-next.git next-20110111
cfg80211: Calling CRDA to update world regulatory domain
libertas_sdio: Libertas SDIO driver
libertas_sdio: Copyright Pierre Ossman
usbcore: registered new interface driver ath9k_hif_usb
usbcore: registered new interface driver rt73usb
rt2800usb 1-1.2:1.0: usb_probe_interface
rt2800usb 1-1.2:1.0: usb_probe_interface - got id
ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
Registered led device: rt2800usb-phy0::radio
Registered led device: rt2800usb-phy0::assoc
Registered led device: rt2800usb-phy0::quality
usbcore: registered new interface driver rt2800usb
usbcore: registered new interface driver zd1211rw
wlan0: deauthenticating from 00:1d:0f:3f:91:1a by local choice (reason=3)
wlan0: authenticate with 00:1d:0f:3f:91:1a (try 1)
wlan0: authenticated
wlan0: associate with 00:1d:0f:3f:91:1a (try 1)
wlan0: RX AssocResp from 00:1d:0f:3f:91:1a (capab=0x431 status=0 aid=45)
wlan0: associated
wlan0: deauthenticating from 00:1d:0f:3f:91:1a by local choice (reason=14)
cfg80211: Calling CRDA for country: CN
wlan0: deauthenticating from 00:1d:0f:3f:91:1a by local choice (reason=3)
wlan0: authenticate with 00:1d:0f:3f:91:1a (try 1)
wlan0: authenticated
wlan0: associate with 00:1d:0f:3f:91:1a (try 1)
wlan0: RX AssocResp from 00:1d:0f:3f:91:1a (capab=0x431 status=0 aid=45)
wlan0: associated
wlan0: deauthenticated from 00:1d:0f:3f:91:1a (Reason: 1)
cfg80211: Calling CRDA to update world regulatory domain
wlan0: authenticate with 00:1d:0f:3f:91:1a (try 1)
wlan0: authenticated
wlan0: associate with 00:1d:0f:3f:91:1a (try 1)
wlan0: RX AssocResp from 00:1d:0f:3f:91:1a (capab=0x431 status=0 aid=45)
wlan0: associated
wlan0: deauthenticated from 00:1d:0f:3f:91:1a (Reason: 7)
cfg80211: Calling CRDA to update world regulatory domain
wlan0: authenticate with 00:1d:0f:3f:91:1a (try 1)
希望那位大侠帮忙解决，谢谢！
