解決openwrt刷上後沒有無線，art也刷了

20170218   貌似是和breed有關，其作者說明了 AR/QCA 晶片從 U-Boot 更新到 Breed 後請一定記得檢查 MAC 位址是否有效，如果全部是FF，請自行修改！！

http://www.right.com.cn/forum/thread-161906-1-1.html

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沒有無線，art也刷了，檢視日志

 Feb 14 09:53:30 2017 daemon.notice netifd: radio0 (20805): ifconfig: SIOCSIFHWADDR: Cannot assign requested address

Tue Feb 14 09:53:31 2017 daemon.notice netifd: radio0 (20805): Configuration file: ar/run/hostapd-phy0.conf

Tue Feb 14 09:53:31 2017 daemon.notice netifd: radio0 (20805): nl80211: deinit ifname=wlan0-1 disabled_11b_rates=0

Tue Feb 14 09:53:31 2017 daemon.notice netifd: radio0 (20805): nl80211 driver initialization failed.

Tue Feb 14 09:53:31 2017 daemon.notice netifd: radio0 (20805): wlan0-1: interface state UNINITIALIZED->DISABLED

Tue Feb 14 09:53:31 2017 daemon.notice netifd: radio0 (20805): wlan0-1: AP-DISABLED 

Tue Feb 14 09:53:31 2017 daemon.notice netifd: radio0 (20805): hostapd_free_hapd_data: Interface wlan0-1 wasn't started

Tue Feb 14 09:53:31 2017 daemon.notice netifd: radio0 (20805): cat: can't open 'ar/run/wifi-phy0.pid': No such file or directory

Tue Feb 14 09:53:31 2017 daemon.notice netifd: radio0 (20805): Command failed: Invalid argument

Tue Feb 14 09:53:31 2017 daemon.notice netifd: radio0 (20805): Device setup failed: HOSTAPD_START_FAILED

後同過朋友的測試在breed修改正常的MAC位址解決了