Odd behavior of ssb, b43, b43legacy, and b44
Michael Büsch
mb at bu3sch.de
Thu Jan 6 22:34:36 EST 2011
On Thu, 2011-01-06 at 14:07 -0600, Larry Finger wrote:
> Michael,
>
> On one of my boxes, I have installed two PCI-format BCM43xx cards for testing.
> One is a BCM4306 Rev. 3, which uses b43. The other is a BCM4303, which uses
> b43legacy. The output of lspci -nn for these devices is
>
> 01:09.0 Network controller [0280]: Broadcom Corporation BCM4306 802.11b/g
> Wireless LAN Controller [14e4:4320] (rev 03)
> 01:0a.0 Network controller [0280]: Broadcom Corporation BCM4303 802.11b Wireless
> LAN Controller [14e4:4301] (rev 02)
>
> Upon booting, I noticed the following messages in the log:
>
> b44: b44.c:v2.0
> b44: Invalid MAC address found in EEPROM
> b44 ssb1:1: Problem fetching invariants of chip, aborting
>
> b44: probe of ssb1:1 failed with error -22
>
> As this box does not have a b44 installed, I wondered why this was happening.
> When I unloaded all the drivers and used modprobe to load ssb, I found that b43,
> b43legacy and b44 were all loaded. The console output is
>
> finger at pam:~> lsmod | grep b4 <== none loaded
> finger at pam:~> sudo modprobe -v ssb <== load ssb
> insmod /lib/modules/2.6.37-wl+/kernel/drivers/ssb/ssb.ko
>
> The above looks normal, but look at what is now resident!
>
> finger at pam:~> lsmod | grep b4
> b43legacy 115302 0
> b44 28767 0
> b43 174321 0
> ssb 38157 3 b43legacy,b44,b43
> mac80211 266240 2 b43legacy,b43
> cfg80211 161930 3 b43legacy,b43,mac80211
>
> Any idea why loading ssb should silently load b43legacy AND b44? Any ideas on
> where to look?
>
> Thanks,
>
> Larry
>
Does one of these wireless cards have a dangling ethernet core? I would
not be surprised...
--
Greetings Michael.
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