Re: iwl3945 filling kern.log when HW switch is off

[Dan Williams <dcbw@redhat.com>]

On Thu, 2013-10-24 at 13:27 +0200, Stanislaw Gruszka wrote:
> On Wed, Oct 23, 2013 at 11:24:49AM +0200, Dietmar Rudolph wrote:
> > Hello, I hope this is the correct place to put a bug report in. I do
> > not subscribe to this mailing list, but feel free to send PM in case
> > you need additional info. You shoudn't :-)
> > 
> > After installing Ubuntu 13.10, I noticed kern.log growing faster
> > than you could look at. Within a few working hours, kern.log was
> > >6GB!
> > 
> > The reason is that I intentionally disabled WiFi on this laptop by
> > turning the HW switch off. However, this makes iwl3945 write a log
> > entry into kern.log every few microseconds!
> > 
> > The workaround is to turn the HW switch on. The bug fix would be to
> > write just a single line to kern.log.
> 
> This message is printed when someone try to UP device when RF kill
> switch is on. Either you did not compile kernel with CONFIG_RFKILL or
> your user space network management software does not handle rfkill .

Though maybe it shouldn't actually print a dmesg error when that
happens?  Lots of software (scripts included) might try to open the
device but not really know much about rfkill...  Is there a way to print
it once-per-rfkill instead maybe?

Dan