Someone

root@OpenWrt:/# wlanconfig ath0 create wifi0 wlanmode master
wlanconfig: unknown create option wifi0
root@OpenWrt:/# wlanconfig ath0 create wlandev wifi0 wlanmode master
ath0
root@OpenWrt:/# ifconfig ath0 192.168.1.1
<1>CPU 0 Unable to handle kernel paging request at virtual address 00000020, epc == 800511f0, ra == 8004dd84
Oops[#1]:
Cpu 0
$ 0   : 00000000 10009c00 00000020 fffffff0
$ 4   : 00000020 00000c30 00000010 00000002
$ 8   : 00000014 8015a35c 0000007f 80babbc0
$12   : 80babbc8 00000001 80c46a80 c0a80101
$16   : 00000020 00000c20 00000000 80c2d000
$20   : 80a28000 80a00000 8034a000 80babe60
$24   : 00000000 c00bcda8
$28   : 80baa000 80babce8 00000000 8004dd84
Hi    : 00000011
Lo    : 00000000
epc   : 800511f0     Tainted: P
ra    : 8004dd84 Status: 10009c03    KERNEL EXL IE
Cause : 00800008
BadVA : 00000020
PrId  : 00019064
Modules linked in: ath_ahb wlan_xauth wlan_wep wlan_tkip wlan_ccmp wlan_acl ath_rate_minstrel ath_hal(P) wlan_scan_sta wlan_ss
Process ifconfig (pid: 545, threadinfo=80baa000, task=8036d0e8)
Stack : 00000000 00000024 8034a380 80babd28 80c273e0 00000020 80a00380 c00965ec
        10009c01 80a28000 c00aa664 c00aa3a0 80c2d000 80a00380 80a28000 c00964d4
        80a00000 c0096718 10009c01 80a00380 80a28000 c00950f4 10009c01 80a00380
        80a28000 c00950f4 80a01ba4 c0097068 80c273e0 00000000 80342a00 00000000
        00000000 00000000 802b0194 ffffffff 00000000 808f0800 80a00000 802ce140
        ...
Call Trace:[<c00965ec>][<c00aa664>][<c00aa3a0>][<c00964d4>][<c0096718>][<c00950f4>][<c00950f4>][<c0097068>][<801a69c8>][<c00c]

Code: 00451021  00432824  00641024 <bc550000> 10450007  00000000  00c21821  bc750000  00661821
Segmentation fault