wpa_supplicant AP scanning doesn't work after first association

Brooks Davis brooks at one-eyed-alien.net
Sat Sep 10 10:55:16 PDT 2005


On Sat, Sep 10, 2005 at 11:50:50PM +1000, Sam Lawrance wrote:
> Hi,
> 
> The station boots up and associates with the AP OK.  This works great
> for days.  If I power down the AP and power it up again, after
> disassociating, wpa_supplicant fails to locate the access point in its
> scans.
> 
> I am using RELENG_6 from 3 September.
> 
> The station is a D-Link DWL-G510 (atheros based)
> ath0 at pci0:8:0:  class=0x020000 card=0x3a161186 chip=0x001a168c rev=0x01 hdr=0x00.
> 
> rc.conf entry:
> ifconfig_ath0="WPA inet 192.168.0.1 netmask 255.255.255.0"
> 
> wpa_supplicant.conf contains:
> ctrl_interface=/var/run/wpa_supplicant
> ctrl_interface_group=wheel
> network={
>         ssid="sunset"
>         scan_ssid=1
>         key_mgmt=WPA-PSK
> 	psk= ... etc etc ...
> }
> 
> The access point is a D-Link DI-524 firmware v2.02, configured for
> WPA-PSK
> 
> Output from wpa_supplicant:
> 
> Starting AP scan (specific SSID)
> Scan SSID - hexdump_ascii(len=6):
>      73 75 6e 73 65 74                                 sunset          
> Received 0 bytes of scan results (1 BSSes)
> Scan results: 1
> Selecting BSS from priority group 0
> 0: 00:0f:3d:29:79:f5 ssid='sunset' wpa_ie_len=24 rsn_ie_len=0
>    selected
> Trying to associate with 00:0f:3d:29:79:f5 (SSID='sunset' freq=2437 MHz)
> Cancelling scan request
> Automatic auth_alg selection: 0x1
> WPA: using IEEE 802.11i/D3.0
> WPA: Selected cipher suites: group 8 pairwise 8 key_mgmt 2
> WPA: using GTK TKIP
> WPA: using PTK TKIP
> WPA: using KEY_MGMT WPA-PSK WPA: Own WPA IE - hexdump(len=24): dd 16 00 50 f2 01 01 00 00 50 f2 02 01 00 00 50 f2 02 01 00 00 50 f2 02
> No keys have been configured - skip key clearing
> wpa_driver_bsd_set_drop_unencrypted: enabled=1 
> wpa_driver_bsd_associate: ssid 'sunset' wpa ie len 24 pairwise 2 group 2 key mgmt 1
> wpa_driver_bsd_associate: set PRIVACY 1
> Setting authentication timeout: 5 sec 0 usec
> Association event - clear replay counter
> Associated to a new BSS: BSSID=00:0f:3d:29:79:f5
> No keys have been configured - skip key clearing
> Associated with 00:0f:3d:29:79:f5
> Setting authentication timeout: 10 sec 0 usec
> RX EAPOL from 00:0f:3d:29:79:f5 
> 
> ... power down AP, wait a minute, power up AP  ...
> 
> Starting AP scan (broadcast SSID)
> Received 0 bytes of scan results (0 BSSes)
> Scan results: 0
> Selecting BSS from priority group 0
> No suitable AP found.
> Setting scan request: 5 sec 0 usec
> Starting AP scan (specific SSID)
> Scan SSID - hexdump_ascii(len=6):
>      73 75 6e 73 65 74                                 sunset          
> Received 0 bytes of scan results (0 BSSes)
> Scan results: 0
> Selecting BSS from priority group 0
> No suitable AP found.
> 
> 
> Please let me know what other information I can collect to help figure
> this out.  I hope it's not pilot error :)

Running current as of August 23rd an connecting using WPA-PSK to connect
to a DI-524 running firmware 1.11, I reconnect promptly when I power the
AP back on.

-- Brooks

-- 
Any statement of the form "X is the one, true Y" is FALSE.
PGP fingerprint 655D 519C 26A7 82E7 2529  9BF0 5D8E 8BE9 F238 1AD4
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