Re: 4311 v2 Bail - 2.6.26-rc2

[Michael Buesch <mb@bu3sch.de>]

On Wednesday 14 May 2008 01:36:04 Johannes Berg wrote:
> On Wed, 2008-05-14 at 01:33 +0200, Johannes Berg wrote:
> > > Where does this "wrong buffer size" message come from, and what does it mean?
> > > 
> > > > b43-phy1 debug: Using hardware based encryption for keyidx: 1, mac: 
> > > > ff:ff:ff:ff:ff:ff
> > > > wlan0: wrong buffer size<7>wlan0: wrong buffer size<7>wlan0: wrong 
> > > > buffer size<7>wlan0: wrong buffer size
> > 
> > It comes from mac80211 when the AP is sending invalid A-MSDU frames.
> 
> Wait. If this is with b43, why the hell is it sending A-MSDU frames in
> the first place? Or maybe it's receiving totally corrupt data. A monitor
> mode trace would help.


Here's the full dmesg.
Also notice "tx_ring_AC_VO: Used slots 128/128" after about 17000 successfull
frames. Weird.

> b43-phy1: Broadcom 4311 WLAN found
> b43-phy1 debug: Found PHY: Analog 4, Type 2, Revision 9
> b43-phy1 debug: Found Radio: Manuf 0x17F, Version 0x2050, Revision 2
> b43-phy1 debug: DebugFS (CONFIG_DEBUG_FS) not enabled in kernel config
> phy1: Selected rate control algorithm 'pid'
> Broadcom 43xx driver loaded [ Features: P, Firmware-ID: FW13 ]
> firmware: requesting b43/ucode13.fw
> firmware: requesting b43/lp0initvals13.fw
> b43-phy1: Loading firmware version 410.2160 (2007-05-26 15:32:10)
> b43-phy1 debug: Chip initialized
> b43-phy1 debug: 64-bit DMA initialized
> b43-phy1 ERROR: PHY transmission error
> b43-phy1 debug: Wireless interface started
> b43-phy1 debug: Adding Interface type 2
> wlan0: Initial auth_alg=0
> wlan0: authenticate with AP 00:90:d0:f4:18:d4
> wlan0: RX authentication from 00:90:d0:f4:18:d4 (alg=0 transaction=2
> status=0)
> wlan0: authenticated
> wlan0: associate with AP 00:90:d0:f4:18:d4
> wlan0: RX AssocResp from 00:90:d0:f4:18:d4 (capab=0x411 status=0 aid=1)
> wlan0: associated
> wlan0: switched to short barker preamble (BSSID=00:90:d0:f4:18:d4)
> b43-phy1 debug: Using hardware based encryption for keyidx: 0, mac:
> 00:90:d0:f4:18:d4
> b43-phy1 debug: Using hardware based encryption for keyidx: 1, mac:
> ff:ff:ff:ff:ff:ff
> wlan0: wrong buffer size<7>wlan0: wrong buffer size<7>wlan0: wrong
> buffer size<7>wlan0: wrong buffer size
> b43-phy1 debug: Disabling hardware based encryption for keyidx: 1, mac:
> ff:ff:ff:ff:ff:ff
> b43-phy1 debug: Removing Interface type 2
> b43-phy1 debug: Wireless interface stopped
> b43-phy1 debug: DMA-64 rx_ring: Used slots 3/64, Failed frames 0/0 =
> 0.0%, Average tries 0.00
> b43-phy1 debug: DMA-64 tx_ring_AC_BK: Used slots 0/128, Failed frames
> 0/0 = 0.0%, Average tries 0.00
> b43-phy1 debug: DMA-64 tx_ring_AC_BE: Used slots 0/128, Failed frames
> 0/0 = 0.0%, Average tries 0.00
> b43-phy1 debug: DMA-64 tx_ring_AC_VI: Used slots 0/128, Failed frames
> 0/0 = 0.0%, Average tries 0.00
> b43-phy1 debug: DMA-64 tx_ring_AC_VO: Used slots 128/128, Failed frames
> 106/17766 = 0.5%, Average tries 1
> b43-phy1 debug: DMA-64 tx_ring_mcast: Used slots 0/128, Failed frames
> 0/0 = 0.0%, Average tries 0.00
> wlan0: deauthenticate(reason=3)


-- 
Greetings Michael.