Faulty 14e4:4315 (BCM4312)?

["Gábor Stefanik" <netrolller.3d@gmail.com>]

2011/6/8 Rafa? Mi?ecki <zajec5@gmail.com>:
> W dniu 8 czerwca 2011 22:37 u?ytkownik G?bor Stefanik
> <netrolller.3d@gmail.com> napisa?:
>> 2011/6/8 Rafa? Mi?ecki <zajec5@gmail.com>:
>>> Hey,
>>>
>>> I've just discovered I can not connect with my 14e4:4315 to my home network.
>>>
>>> dmesg:
>>> [ ?119.744050] b43-phy0: Loading firmware version 478.104 (2008-07-01 00:50:23)
>>> [ ?119.746744] b43-phy0 debug: b2062: Using crystal tab entry 19200 kHz.
>>> [ ?121.130067] b43-phy0 debug: Chip initialized
>>> [ ?121.130348] b43-phy0 debug: 64-bit DMA initialized
>>> [ ?121.130416] b43-phy0 debug: QoS enabled
>>> [ ?121.139857] b43-phy0 debug: Wireless interface started
>>> [ ?121.145095] b43-phy0 debug: Adding Interface type 2
>>> [ ?121.145605] ADDRCONF(NETDEV_UP): wlan0: link is not ready
>>> [ ?128.295371] wlan0: authenticate with 00:23:69:c2:65:06 (try 1)
>>> [ ?128.300285] wlan0: authenticated
>>> [ ?128.300319] wlan0: associate with 00:23:69:c2:65:06 (try 1)
>>> [ ?128.303709] wlan0: RX AssocResp from 00:23:69:c2:65:06 (capab=0x411
>>> status=0 aid=3)
>>> [ ?128.303715] wlan0: associated
>>> [ ?128.304711] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
>>> [ ?128.429557] b43-phy0 debug: Using hardware based encryption for
>>> keyidx: 0, mac: 00:23:69:c2:65:06
>>> [ ?128.429611] b43-phy0 debug: Using hardware based encryption for
>>> keyidx: 2, mac: ff:ff:ff:ff:ff:ff
>>> [ ?132.208036] ieee80211 phy0: wlan0: No probe response from AP
>>> 00:23:69:c2:65:06 after 500ms, disconnecting.
>>>
>>> wpa_supplicant fills my console with:
>>>> ioctl[SIOCSIWENCODEEXT]: Invalid argument
>>>> ioctl[SIOCSIWENCODEEXT]: Invalid argument
>>>> Trying to associate with 00:23:69:c2:65:06 (SSID='zajec_poznan_160' freq=2427 MHz)
>>>> Associated with 00:23:69:c2:65:06
>>>> WPA: Key negotiation completed with 00:23:69:c2:65:06 [PTK=CCMP GTK=CCMP]
>>>> CTRL-EVENT-CONNECTED - Connection to 00:23:69:c2:65:06 completed (auth) [id=0 id_str=]
>>>> CTRL-EVENT-DISCONNECTED bssid=00:23:69:c2:65:06 reason=0
>>>
>>> It seems it was already reported, for example in:
>>> "No probe response from AP <address> after 500ms, disconnecting." by
>>> Miklos Vajna on Thu, 14 Jan 2010 17:29:20 -0800.
>>> http://www.mail-archive.com/bcm43xx-dev at lists.berlios.de/msg09481.html
>>>
>>> What's really surprising I can not connect to this network also when
>>> using wl 5.100.82.38!
>>>
>>> Did anyone of you already got some faulty BCM4312 hardware? Did it
>>> behave like this? I'm surprised than scanning works, but connection is
>>> quickly dropped. It does not really sound like a faulty hardware.
>>
>> Chances are, your card can happily communicate with the AP using CCK,
>> but once it tries to do OFDM, it fails.
>> Is the AP close enough for OFDM communication?
>
> My AP is about 2 meters from the card, antennas are attached OFC.
>
> --
> Rafa?
>

You are too close to the AP then - the AP's signal is jamming the
card's receiver (or vice versa). Again, CCK is more resilient in this
aspect than OFDM, hence no problems until association.

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