On Wed, Dec 1, 2010 at 11:05 PM, Nick Kossifidis <mickflemm@xxxxxxxxx> wrote:
> 2010/12/1 Sedat Dilek <sedat.dilek@xxxxxxxxxxxxxx>:
>> Hi,
>>
>> I have built today a linux-next (next-20101201) kernel which includes
>> wireless-next-2.6 up to master-2010-11-30.
>>
>> From tig utility:
>> 2010-11-30 15:33 Stanislaw Gruszka Â[wireless-next-2.6] iwlagn: fix
>> microcode error on 4965
>> [main] 61790c5f3c5f158821821a00797d94504531839f - commit 1929 of 226338 (0%)
>>
>> Unfortunately, my wlan network connection is totally unstable.
>>
>> $ dmesg | grep "RX AssocResp" | wc -l
>> 216
>>
>> The block looks like this:
>> [ 4436.504059] ieee80211 phy0: wlan0: No probe response from AP
>> 00:04:0e:e4:00:3d after 500ms, disconnecting.
>> [ 4436.504490] cfg80211: Calling CRDA to update world regulatory domain
>> [ 4440.677020] wlan0: authenticate with 00:04:0e:e4:00:3d (try 1)
>> [ 4440.679096] wlan0: authenticated
>> [ 4440.679158] wlan0: associate with 00:04:0e:e4:00:3d (try 1)
>> [ 4440.684667] wlan0: RX AssocResp from 00:04:0e:e4:00:3d (capab=0x411
>> status=0 aid=1)
>> [ 4440.684673] wlan0: associated
>>
>> My wlan device is an ath5k:
>>
>> $ lspci -nnvv | grep "Ethernet controller" | grep -i ath
>> 02:02.0 Ethernet controller [0200]: Atheros Communications Inc. AR5212
>> 802.11abg NIC [168c:1014] (rev 01)
>>
>> Any idea what's wrong? (Just speculating on the last patch-set from Nick...)
>> How can I help to dig into this problem?
>> Debug-session with wpasupplicant? Which kernel-parameters (debug) to
>> be considered/set?
>>
>> Kind Regards,
>> - Sedat -
>>
>
> That's weird I tested all patches for connectivity + iperf, maybe
> something else also went on the tree that results such behavior...
>
> 1) Are you using NetworkManager ? If so disable it and connect manually.
No NM here, using "classic" /etc/network/interfaces with IP-static setup.
[ /etc/network/interfaces ]
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo
iface lo inet loopback
# The wireless LAN interface
auto wlan0
iface wlan0 inet static
address 192.168.178.25
netmask 255.255.255.0
broadcast 192.168.178.255
gateway 192.168.178.1
dns-nameservers 192.168.178.1 208.67.222.222 208.67.220.220
wpa-ssid myCastle-WLAN WPA (Wireless LAN)
wpa-psk mySecretPWD
- EOF -
> 2) Can you disable encryption on your AP and see if it works without it ?
[ /etc/network/interfaces ]
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo
iface lo inet loopback
# The wireless LAN interface
allow-hotplug wlan0
iface wlan0 inet dhcp
wpa-key-mgmt NONE
wpa-ssid myCastle-WLAN WPA (Wireless LAN)
- EOF -
Router "open" and ath5k "normal":
Dec 1 23:49:26 tbox kernel: [ 8192.504060] ieee80211 phy0: wlan0: No
probe response from AP 00:04:0e:e4:00:3d after 500ms, disconnecting.
Dec 1 23:49:26 tbox wpa_supplicant[5472]: CTRL-EVENT-DISCONNECTED -
Disconnect event - remove keys
Dec 1 23:49:26 tbox kernel: [ 8192.517097] cfg80211: Calling CRDA to
update world regulatory domain
Dec 1 23:49:31 tbox wpa_supplicant[5472]: Trying to associate with
00:04:0e:e4:00:3d (SSID='myCastle-WLAN WPA (Wireless LAN)' freq=2442
MHz)
Dec 1 23:49:31 tbox kernel: [ 8196.683802] wlan0: authenticate with
00:04:0e:e4:00:3d (try 1)
Dec 1 23:49:31 tbox kernel: [ 8196.686256] wlan0: authenticated
Dec 1 23:49:31 tbox kernel: [ 8196.686302] wlan0: associate with
00:04:0e:e4:00:3d (try 1)
Dec 1 23:49:31 tbox kernel: [ 8196.688608] wlan0: RX AssocResp from
00:04:0e:e4:00:3d (capab=0x401 status=0 aid=1)
Dec 1 23:49:31 tbox kernel: [ 8196.688620] wlan0: associated
Dec 1 23:49:31 tbox wpa_supplicant[5472]: Associated with 00:04:0e:e4:00:3d
Dec 1 23:49:31 tbox wpa_supplicant[5472]: CTRL-EVENT-CONNECTED -
Connection to 00:04:0e:e4:00:3d completed (reauth) [id=0 id_str=]
Router "open" ath5k with nohwcrypt=1:
Dec 1 23:51:20 tbox kernel: [ 8306.504080] ieee80211 phy0: wlan0: No
probe response from AP 00:04:0e:e4:00:3d after 500ms, disconnecting.
Dec 1 23:51:20 tbox kernel: [ 8306.504968] cfg80211: Calling CRDA to
update world regulatory domain
Dec 1 23:51:22 tbox ntpdate[5739]: adjust time server 192.53.103.108
offset 0.001238 sec
Dec 1 23:51:25 tbox wpa_supplicant[5677]: Trying to associate with
00:04:0e:e4:00:3d (SSID='myCastle-WLAN WPA (Wireless LAN)' freq=2442
MHz)
Dec 1 23:51:25 tbox kernel: [ 8310.755922] wlan0: authenticate with
00:04:0e:e4:00:3d (try 1)
Dec 1 23:51:25 tbox kernel: [ 8310.758023] wlan0: authenticated
Dec 1 23:51:25 tbox kernel: [ 8310.758103] wlan0: associate with
00:04:0e:e4:00:3d (try 1)
Dec 1 23:51:25 tbox kernel: [ 8310.760738] wlan0: RX AssocResp from
00:04:0e:e4:00:3d (capab=0x401 status=0 aid=1)
Dec 1 23:51:25 tbox kernel: [ 8310.760750] wlan0: associated
Dec 1 23:51:25 tbox wpa_supplicant[5677]: Associated with 00:04:0e:e4:00:3d
Dec 1 23:51:25 tbox wpa_supplicant[5677]: CTRL-EVENT-CONNECTED -
Connection to 00:04:0e:e4:00:3d completed (reauth) [id=0 id_str=]
> 3) Try and enable/disable hw encryption with nohwcrypt module parameter.
# modinfo ath5k | grep nohwcrypt
parm: nohwcrypt:Disable hardware encryption. (bool)
# modprobe -v ath5k nohwcrypt=1
# lsmod | egrep -i 'ath|80211|aes'
ath5k 137422 0
ath 10977 1 ath5k
mac80211 150863 1 ath5k
cfg80211 97248 3 ath5k,ath,mac80211
aes_i586 6856 0
aes_generic 25758 1 aes_i586
rfkill 10754 4 cfg80211,bluetooth,thinkpad_acpi
Same error-messages AFAICS:
Dec 1 23:22:27 tbox kernel: [ 6573.500056] ieee80211 phy0: wlan0: No
probe response from AP 00:04:0e:e4:00:3d after 500ms, disconnecting.
Dec 1 23:22:27 tbox kernel: [ 6573.500541] cfg80211: Calling CRDA to
update world regulatory domain
Dec 1 23:22:32 tbox wpa_supplicant[3372]: Trying to associate with
00:04:0e:e4:00:3d (SSID='myCastle-WLAN WPA (Wireless LAN)' freq=2442
MHz)
Dec 1 23:22:32 tbox kernel: [ 6577.739895] wlan0: authenticate with
00:04:0e:e4:00:3d (try 1)
Dec 1 23:22:32 tbox kernel: [ 6577.741981] wlan0: authenticated
Dec 1 23:22:32 tbox kernel: [ 6577.742028] wlan0: associate with
00:04:0e:e4:00:3d (try 1)
Dec 1 23:22:32 tbox kernel: [ 6577.747151] wlan0: RX AssocResp from
00:04:0e:e4:00:3d (capab=0x411 status=0 aid=1)
Dec 1 23:22:32 tbox kernel: [ 6577.747163] wlan0: associated
Dec 1 23:22:32 tbox wpa_supplicant[3372]: Associated with 00:04:0e:e4:00:3d
Dec 1 23:22:33 tbox wpa_supplicant[3372]: WPA: Key negotiation
completed with 00:04:0e:e4:00:3d [PTK=CCMP GTK=CCMP]
Dec 1 23:22:33 tbox wpa_supplicant[3372]: CTRL-EVENT-CONNECTED -
Connection to 00:04:0e:e4:00:3d completed (reauth) [id=0 id_str=]
> 4) What's your signal strength/rate when you connect to the AP ?
[1] ath5k with nohwcrypt=1 (mostly 1MBps @ -55dBm)
# iw dev wlan0 station dump
Station 00:04:0e:e4:00:3d (on wlan0)
inactive time: 1876 ms
rx bytes: 28313
rx packets: 341
tx bytes: 4629
tx packets: 29
signal: -66 dBm
tx bitrate: 1.0 MBit/s
# iw dev wlan0 station dump
Station 00:04:0e:e4:00:3d (on wlan0)
inactive time: 708 ms
rx bytes: 26476
rx packets: 334
tx bytes: 2835
tx packets: 10
signal: -66 dBm
tx bitrate: 48.0 MBit/s
[2] ath5k (with no modules options):
# iw dev wlan0 station dump
Station 00:04:0e:e4:00:3d (on wlan0)
inactive time: 32 ms
rx bytes: 17987
rx packets: 197
tx bytes: 15193
tx packets: 56
signal: -64 dBm
tx bitrate: 18.0 MBit/s
- Sedat -
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