[ath9k] cannot authociate in wireless network

[DongHwan Jung]

hello, iPXE contributors.
I try to connect to AP by using wireless network but it's unexpected operating.

My action phase--------------------------------------

-In Linux -------------------------------------------

make bin/ipxe.usb DEBUG=net80211,wpa_psk:3,wpa:3
sudo dd if=bin/ipxe.usb of=/dev/sdb

-In iPXE --------------------------------------------

iPXE> ifstat
net0: 1c:65:9d:7f:4e3 using ar9285 on PCI02:00.0 (closed)
[Link:down, TX:28 TXE:0 RX:10 RXE:4]
[Link status: Unknown (http://ipxe.org/1a086101)]

iPXE> iwlist
Networks on net0:

[Sig] SSID BSSID Ch Crypt/Auth
------------------------------------------------------------------
...
[ 55] XDXDX_XedXod 00:09:9*:**:93c 2 WPA PSK
...

iPXE> set net0/ssid XDXDX_XedXod
iPXE> set net0/key &12341234
iPXE> dhcp
Waiting for link-up on net0....
802.11 0xd67fc found network XDXDX_XedXod (00:09:9*:**:93c)
802.11 0xd67fc authnticating with method 0
802.11 0xd67fc associating
WPA-PSK 0xdc1c8: derived PMK from passphrase '&12341234'
0016bed7 : 52 cc 15 2a 31 1d 89 5d-71 51 a7 df c1 02 10 65 : R..*1..]qQ.....e
0016bee7 : c4 79 5f 76 19 5c 48 1f-bb 46 3b 95 48 e1 22 0e : .y_v.\H..F;.H".
802.11 0xd67fc security handshaking
802.11 0xd67fc security handshaking
WPA 0xdb9d8: received 1/4, looks OK
WPA 0xdb9d8 A1 1c:65:9d:7f:4e3, A2 1c:65:9d:7f:4e3
WPA 0xdb9d8 Nonce1, Nonce2:
0016beb4 : 71 e4 87 a3 9e 11 d7 89-1a 60 40 08 eb 08 d6 e0 : [omitted]
0016bec4 : 79 35 5a 70 c9 8b db c1-29 c7 9c e3 ee ea 25 c3 : [omitted]
0016bed4 : 2a 39 4d bc d4 6e c0 2b-3e 2a f2 f5 41 d9 87 c7 : [omitted]
0016bee4 : 71 6a 4e 2e c7 dc 38 eb-be 4c 5e 54 28 4e e4 75 : [omitted]
WPA 0xdb9d8 PTK :
[omitted]
WPA 0xdb9d8:sending 2/4
802.11 0xd67fc security handshaking
802.11 0xd67fc security handshaking
802.11 0xd67fc disassociated: reason 14
....

----------------------------------------------------------------------------------

if you worder about more detail, refer to youtube video(https://www.youtube.com/watch?v=4pgzQaxqViQ)

I wanna settle this problem myself...
many times printing log, again and again fixing and operating ....
but, I can't solve this problem.

I gracefully plead with you to solve this problem.
thank you.