Please load b43 with verbose debug messages enabled (use the "verbose" module parameter - check modinfo for the exact value for full debug output), and post the resulting logs. On Wed, Jan 20, 2010 at 2:40 AM, Eric Volker <evolker@xxxxxxxxx> wrote: > I have set up an access point with Ubuntu 9.10 and a Broadcom BCM4318 > PCI card (manufacturer is Buffalo). After an undetermined period of > time, the card stops beaconing and even previously connected clients are > unable to ping the AP. After the driver hangs, trying to restart hostapd > fails with a "Failed to create mon.wlan0". The following commands: > > #rmmod b43 > #modprobe b43 > #/etc/init.d/hostapd restart > > will restart hostapd, and the AP will begin beaconing again. Clients can > associate with it, but are unable to ping the AP. Further examination > reveals that wlan0 on the AP has not been assigned an IP address. (My AP > does not have a DHCP daemon running as of yet; I've been manually > configuring the IP address of my clients.) Using ifconfig to assign the > IP address appears to work, but clients are still unable to ping the AP. > dmesg reveals no message from the b43 or other drivers about the hang; > however, upon restarting hostapd the driver appears to create a new > "phy". > > [71500.473241] b43-phy1: Broadcom 4318 WLAN found (core revision 9) > [71500.540847] phy1: Selected rate control algorithm 'minstrel' > [71500.542002] Broadcom 43xx driver loaded [ Features: PL, Firmware-ID: > FW13 ] > [71543.312030] b43 ssb0:0: firmware: requesting b43/ucode5.fw > [71543.410639] b43 ssb0:0: firmware: requesting b43/pcm5.fw > [71543.430040] b43 ssb0:0: firmware: requesting b43/b0g0initvals5.fw > [71543.440062] b43 ssb0:0: firmware: requesting b43/b0g0bsinitvals5.fw > [71543.564029] b43-phy1: Loading firmware version 410.2160 (2007-05-26 > 15:32:10) > [71543.604432] Registered led device: b43-phy1::tx > [71543.604459] Registered led device: b43-phy1::rx > [71543.604485] Registered led device: b43-phy1::radio > [71554.360009] wlan0: no IPv6 routers present > > Further back in the log, it can be seen where b43-phy0 was created, but > there is no record of the driver crashing or any other errors. > daemon.log does have several entries like this: > > Jan 17 15:48:24 hostname avahi-daemon[759]: Invalid query packet. > Jan 17 15:49:33 hostname avahi-daemon[759]: last message repeated 2 > times > > Rebooting fixes the problem completely, but only temporarily. Anyone > seen this before, or have a suggested fix? > > Thanks, > > Eric Volker > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-wireless" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- Vista: [V]iruses, [I]ntruders, [S]pyware, [T]rojans and [A]dware. :-) -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
