wifi card driver in the development board ifconfig ra0 up abnormal

secureCRT running above arm9 board , knock on the secureCRT ifconfig ra0 up command ( open card ) , and they reported the following error
SIOCSIFFLAGS: Operation not permitted
Then I'll knock dmesg shows boot information , then I find a specific error message
<- RTMPAllocTxRxRingMemory, Status = 0
<- RTMPAllocAdapterBlock, Status = 0
usbcore: registered new interface driver rt2870
(Efuse for 3062/3562/3572) Size = 0x2d [2d0-2fc]
NICLoadFirmware: MCU is not ready
ERROR!!! NICLoadFirmware failed, Status [= 0x00000001]
!!! rt28xx Initialized fail!!!

Please experts Ariadne ?
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from the log information see, you did not put into the file system firmware inside .
put the firmware should be no problem .
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seems to be using Ralink 's wifi, best to find a demo board to see what was happening , originally used , long time no see forgotten.
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driver problems , or no MAC address.
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SIOCSIFFLAGS: Operation not permitted

or not the root user .
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try with the following command :

sudo ifconfig ra0 up

sudo service networking restart
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complete dmesg Tieshanglai
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my own first top- down , experts have gone ah .....
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experts Where are Ya ?
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I've added the MAC address , start or reported at the same error .
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I was driven equipment / etc/Wireless/RT2870STA decentralized . bin. dat firmware files or not.
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have experts can come and help solve it , you can add points , younger brother to do the initial drive transplant .....
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NICLoadFirmware: MCU is not ready


ERROR!!! NICLoadFirmware failed, Status [= 0x00000001]
!!! rt28xx Initialized fail!!!
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NICLoadFirmware: MCU is not ready
information printed above is my own to add printing.
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/ mnt / nfs $ ifconfig ra0
ra0 Link encap: Ethernet HWaddr 00:00:00:00:00:00
BROADCAST MULTICAST MTU: 1500 Metric: 1
RX packets: 0 errors: 0 dropped: 0 overruns: 0 frame: 0
TX packets: 0 errors: 0 dropped: 0 overruns: 0 carrier: 0
collisions: 0 txqueuelen: 1000
RX bytes: 0 (0.0 B) TX bytes: 0 (0.0 B) There may be able to explain some problems .....
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  This reply was moderator deleted at 2011-12-07 09:58:38

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I have solved the problem , ready knot stickers, thank you .
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how to solve ah
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landlord , how to solve ?