I lost ath0 support on current sometime between Sept 20 and Sept 26.

Edwin L. Culp W. edwinlculp at gmail.com
Mon Oct 13 03:12:23 UTC 2008


On Sun, Oct 12, 2008 at 7:07 PM, Sam Leffler <sam at freebsd.org> wrote:
> Johann Hugo wrote:
>>
>> On Sunday 12 October 2008, Edwin L. Culp W. wrote:
>>
>>>
>>> On Fri, Oct 10, 2008 at 8:58 AM, Edwin L. Culp W. <edwinlculp at gmail.com>
>>>
>>
>> wrote:
>>
>>>>
>>>> On Thu, Oct 9, 2008 at 9:21 PM, Sam Leffler <sam at freebsd.org> wrote:
>>>>
>>>>>
>>>>> Edwin L. Culp W. wrote:
>>>>>
>>>>>>
>>>>>> I started this thread on current but I lost it to Ashish Shukla so I'm
>>>>>> going to try here and see if I can explain it better and solve this
>>>>>> strange issue.
>>>>>>
>>>>>> I was happily using Sam's ath_hal-20080528 patch and IIRC the
>>>>>> committed ath_hal fixes until Sept 20.  I didn't build another new
>>>>>> kernel until Sept 26.  From that date on I have been unable to get it
>>>>>> working.  The sept 20 kernel still works great. I'm using it to send
>>>>>> this email.  I don't have to change anything I just start kernel.old
>>>>>> and run it rather than today's kernel that has no problems other than
>>>>>> bringing up ath0/wlan0.
>>>>>>
>>>>>> Some general info for both kernels that I can find no important
>>>>>> differences and now really doubt that the problem is hal_ath but
>>>>>> something else that has changed and is causing the problem. I have
>>>>>> thought of dhcp, ifconfig, ???  The general information for both
>>>>>> follows:
>>>>>>
>>>>>>
>>>>>> FreeBSD 8.0-CURRENT #50: Thu Oct  9 05:27:41 CDT 2008
>>>>>>   root at ed.local.net.mx:/usr/obj/usr/src/sys/ENCONTACTO
>>>>>>
>>>>>> rc.conf that doesn't change and works for sept 20 kernel but not
>>>>>> todays:
>>>>>>
>>>>>>    wlans_ath0=wlan0
>>>>>>    ifconfig_wlan0="DHCP ssid virus wepmode on wepkey 1:0x2373FE9515
>>>>>> weptxkey 1"
>>>>>>
>>>>>> ifconfig with todays kernel for ath0 and wlan0:
>>>>>>
>>>>>>
>>>>>> ath0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu
>>>>>> 2290 ether 00:1d:d9:27:5c:e5
>>>>>>       media: IEEE 802.11 Wireless Ethernet autoselect mode 11g
>>>>>>       status: associated
>>>>>> wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu
>>>>>> 1500
>>>>>>       ether 00:1d:d9:27:5c:e5
>>>>>>       media: IEEE 802.11 Wireless Ethernet OFDM/48Mbps mode 11g
>>>>>>       status: associated
>>>>>>       ssid virus channel 6 (2437 Mhz 11g) bssid 00:1d:7e:51:e1:4d
>>>>>>       regdomain 101 indoor ecm authmode OPEN privacy ON deftxkey 1
>>>>>>       wepkey 1:40-bit txpower 16 bmiss 7 scanvalid 450 bgscan
>>>>>>       bgscanintvl 300 bgscanidle 250 roam:rssi 7 roam:rate 5 protmode
>>>>>> CTS wme burst roaming MANUAL
>>>>>>
>>>>>> The part of the dmesg that show ath0 and wlan0 with hal
>>>>>>
>>>>>> ath_hal: 0.10.5.10 (AR5210, AR5211, AR5212, AR5416, RF5111, RF5112,
>>>>>> RF2413, RF5413, RF2133, RF2425, RF2417)
>>>>>>
>>>>>> ath0: <Atheros 5424/2424> mem 0xd0400000-0xd040ffff irq 19 at device
>>>>>> 0.0 on pci5
>>>>>> ath0: [ITHREAD]
>>>>>> ath0: WARNING: using obsoleted if_watchdog interface
>>>>>> ath0: mac 14.2 phy 7.0 radio 10.2
>>>>>>
>>>>>>
>>>>>>
>>>>>> -----------------------------------------------------------------------
>>>>>> -------------------------
>>>>>>
>>>>>> The same information for the Sept 20 kernel.
>>>>>>
>>>>>> FreeBSD ed.local.net.mx 8.0-CURRENT FreeBSD 8.0-CURRENT #34: Sat Sep
>>>>>> 20 05:37:05 CDT 2008
>>>>>> root at ed.local.net.mx:/usr/obj/usr/src/sys/ENCONTACTO  i386
>>>>>>
>>>>>> rc.conf is the same.
>>>>>>
>>>>>> If config for Sept 20 kernel:
>>>>>>
>>>>>> ath0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu
>>>>>> 2290 ether 00:1d:d9:27:5c:e5
>>>>>>       media: IEEE 802.11 Wireless Ethernet autoselect mode 11g
>>>>>>       status: associated
>>>>>> wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu
>>>>>> 1500
>>>>>>       ether 00:1d:d9:27:5c:e5
>>>>>>       inet 172.16.0.7 netmask 0xffffff00 broadcast 172.16.0.255
>>>>>>       media: IEEE 802.11 Wireless Ethernet DS/5.5Mbps mode 11g
>>>>>>       status: associated
>>>>>>       ssid virus channel 6 (2437 Mhz 11g) bssid 00:1d:7e:51:e1:4d
>>>>>>       regdomain 101 indoor ecm authmode OPEN privacy ON deftxkey 1
>>>>>>       wepkey 1:40-bit txpower 16 bmiss 7 scanvalid 60 bgscan
>>>>>> bgscanintvl 300
>>>>>>       bgscanidle 250 roam:rssi 7 roam:rate 5 protmode CTS wme burst
>>>>>>
>>>>>> Same parts of the dmesg form Sept 20 kernel.
>>>>>>
>>>>>> ath_hal: 0.10.5.10 (AR5210, AR5211, AR5212, AR5416, RF5111, RF5112,
>>>>>> RF2413, RF5413, RF2133, RF2425, RF2417)
>>>>>>
>>>>>> ath0: <Atheros 5424/2424> mem 0xd0400000-0xd040ffff irq 19 at device
>>>>>> 0.0 on pci5
>>>>>> ath0: [ITHREAD]
>>>>>> ath0: WARNING: using obsoleted if_watchdog interface
>>>>>> ath0: mac 14.2 phy 7.0 radio 10.2
>>>>>>
>>>>>
>>>>> Does it work w/o WEP?  Do you any crypto errors show up in wlanstats
>>>>> and/or athstats output?
>>>>>
>>>>>  Sam
>>>>>
>>>>
>>>> I haven't tried it and I should have since I'm pretty sure that it is
>>>> something external.  I've got travel in a few minutes but I'll do it
>>>> tomorrow on my AP at home to not interrupt anyone.
>>>>
>>>
>>> Good morning, Sam.  I just disabled encryption on my router and
>>> changed my rc.conf to
>>> ifconfig_wlan0="DHCP ssid virus2"
>>> and as you probably knew, it works flawlessly.
>>>
>>> Now I have to ask, what I can do about wep that works on my Sept 20
>>> and earlier kernels and doesn't work on my recent kernels?
>>>
>>> Thanks,
>>>
>>> ed
>>>
>>
>> I don't know it this is related, but something changed with the WEP-key
>> index. On my EeePC I had to change my wpa_supplicant.conf file to use
>> wep_tx_keyidx=0 and wep_key0=mywepkey before I could get it to work. I the
>> past it always worked with wep_tx_keyidx=1 and wep_key1=xxxxx.
>>
>> The funny thing is that ifconfig reports it as deftxkey 1 and wepkey 1 if
>> I use index 0 in wpa_supplicant and ifconfig will report deftxkey 2 and
>> wepkey 2 if I use index 1 in wpa_supplicant.conf
>>
>
> I believe it has always been true that key indices reported by ifconfig are
> in the rage [1..4] while wpa_supplicant key indices specified in the config
> file are [0..3].  I don't recall anything changing in that area for a long
> time but I did make changes to the net80211 crypto code around that time.
>
>   Sam

Thanks, Sam.  What worries me is that I seem to be alone with this problem.

ed


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