New kernel update breaks wireless

John W. Linville linville at redhat.com
Mon Aug 13 14:48:22 UTC 2007


On Sat, Aug 11, 2007 at 12:22:13PM +0200, Patrick wrote:
> On Fri, 2007-08-10 at 23:32 -0400, Andrew Robinson wrote:
> > I just let PUP update the kernel on my laptop to 2.6.22.1-32.fc6. When I 
> > boot into that kernel, my wireless interface fails to start. When I run
> > 
> > $ ifup eth1
> > 
> > I get
> > 
> > SIOCSIFFLAGS: Operation not supported
> > Failed to bring up eth1.
> > 
> > I've looked, but I cannot find any reference to the variable 
> > SIOCSIFFLAGS. Anyone know what's wrong and how to fix this?
> 
> I saw a similar message after updating the kernel and rebooting. The
> laptop where I saw it has a Broadcom bcm43xx chipset. I think that the
> new kernel has updated Broadcom wireless code which needs new 4.x
> firmware. As opposed to the 2.6.21 kernels which need 3.x firmware. So
> if you have a box with a Broadcom wireless chipset I would check the
> current firmware and install the newer 4.x version if appropriate. See:
> http://forums.fedoraforum.org/forum/showthread.php?t=156282

bcm43xx uses 3.x firmware.  (FC6 does not have bcm43xx-mac80211.)

File a bug?

John
-- 
John W. Linville
linville at redhat.com




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