[ath9k-devel] trouble with DWA-552 and ath9k

[Brian Walker <walkerbm@charter.net>]

On 01/10/2010 12:12 AM, Sujith wrote:
> Brian Walker wrote:
>    
>> This is what I have in /etc/modprobe.d/local.conf (I run Fedora 11):
>>
>> options ath9k debug=0xffffffff
>>
>> In config.mk I have:
>>
>> CONFIG_ATH9K_DEBUG=y
>> CONFIG_ATH9K_DEBUGFS=y
>>      
> It should be:
>
> CONFIG_ATH_DEBUG=y
> CONFIG_ATH9K_DEBUGFS=y
>
> Sujith
>    

Ok! Now I have some debugging information. Here are the ath9k lines from 
dmesg right after boot:

ath9k 0000:00:0a.0: PCI INT A -> Link[LNKC] -> GSI 5 (level, low) -> IRQ 5
ath: UNDEFINED -> AWAKE
ath: serialize_regmode is 0
ath: Eeprom VER: 14, REV: 18
ath: EEPROM regdomain: 0x10
ath: EEPROM indicates we should expect a direct regpair map
ath: Country alpha2 being used: CO
ath: Regpair used: 0x10
ath: tx DMA: 512 buffers 1 desc/buf
ath: tx DMA map: f4ca0000 (76320) -> 0 (76320)
ath: beacon DMA: 4 buffers 1 desc/buf
ath: beacon DMA map: f4c5d000 (576) -> 0 (576)
ath: cachelsz 32 rxbufsize 3872
ath: rx DMA: 512 buffers 1 desc/buf
ath: rx DMA map: f4ce0000 (76320) -> 0 (76320)
phy0: Selected rate control algorithm 'ath9k_rate_control'
Registered led device: ath9k-phy0::radio
Registered led device: ath9k-phy0::assoc
Registered led device: ath9k-phy0::tx
phy0: Atheros AR9280 Rev:2 mem=0xfa5a0000, irq=5
cfg80211: Calling CRDA for country: CO
cfg80211: Regulatory domain changed to country: CO
     (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
     (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2700 mBm)
     (5170000 KHz - 5250000 KHz @ 20000 KHz), (300 mBi, 1700 mBm)
     (5250000 KHz - 5330000 KHz @ 20000 KHz), (300 mBi, 2300 mBm)
     (5735000 KHz - 5835000 KHz @ 20000 KHz), (300 mBi, 3000 mBm)
cfg80211: Calling CRDA for country: US
cfg80211: Regulatory domain changed to country: US
     (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
     (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2700 mBm)
     (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 1700 mBm)
     (5250000 KHz - 5330000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
     (5490000 KHz - 5600000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
     (5650000 KHz - 5710000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
     (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 3000 mBm)

Here is dmesg after doing an "ifconfig wlan0 up":

ath: Starting driver with initial channel: 2412 MHz
ath: ah->misc_mode 0x4
ath: Attach a VIF of type: 2
ath: BSS Changed PREAMBLE 0
ath: BSS Changed CTS PROT 0
ath: Marking phy0 as idle
ath: timeout (100000 us) on reg 0x7000: 0xffffffff & 0x00000003 != 
0x00000000
ath: RTC stuck in MAC reset
ath: Chip reset failed
ath: Unable to reset channel 4200038792 (2412Mhz) <7>ath: not-idle: 
enabling radio
ath: Set channel: 2412 MHz
ath: tx chmask: 1, rx chmask: 1
ath: timeout (100000 us) on reg 0x7000: 0xffffffff & 0x00000003 != 
0x00000000
ath: RTC stuck in MAC reset
ath: Chip reset failed
ath: Unable to reset hardware; reset status -22
ath: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff
ath: (2412 MHz) -> (2412 MHz), conf_is_ht40: 0
ath: timeout (100000 us) on reg 0x7000: 0xffffffff & 0x00000003 != 
0x00000000
ath: RTC stuck in MAC reset
ath: Chip reset failed
ath: Unable to reset channel (2412 Mhz) reset status -22
ath: Unable to set channel
ath: Configure tx [queue/halq] [0/3],  aifs: 2, cw_min: 7, cw_max: 15, 
txop: 102
ath: Configure tx [queue/halq] [1/2],  aifs: 2, cw_min: 15, cw_max: 31, 
txop: 188
ath: Configure tx [queue/halq] [2/1],  aifs: 3, cw_min: 31, cw_max: 
1023, txop: 0
ath: Configure tx [queue/halq] [3/0],  aifs: 7, cw_min: 31, cw_max: 
1023, txop: 0
ath: Set HW RX filter: 0x2307
ath: Set HW RX filter: 0x2307
ADDRCONF(NETDEV_UP): wlan0: link is not ready
ath: Set HW RX filter: 0x2307

Here is dmesg after trying "iwlist wlan0 scan":

ath: Marking phy0 as not-idle
ath: timeout (100000 us) on reg 0x7000: 0xffffffff & 0x00000003 != 
0x00000000
ath: RTC stuck in MAC reset
ath: Chip reset failed
ath: Unable to reset channel 4200038792 (2412Mhz) <7>ath: not-idle: 
enabling radio
ath: Set HW RX filter: 0x2117
ath: Set channel: 2412 MHz
ath: tx chmask: 3, rx chmask: 3
ath: timeout (100000 us) on reg 0x7000: 0xffffffff & 0x00000003 != 
0x00000000
ath: RTC stuck in MAC reset
ath: Chip reset failed
ath: Unable to reset hardware; reset status -22
ath: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff
ath: (2412 MHz) -> (2412 MHz), conf_is_ht40: 0
ath: timeout (100000 us) on reg 0x7000: 0xffffffff & 0x00000003 != 
0x00000000
ath: RTC stuck in MAC reset
ath: Chip reset failed

These same type messages repeat for other channels.

Brian