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

[Stanislaw Gruszka <sgruszka@redhat.com>]

On Thu, Oct 24, 2013 at 09:48:01AM -0500, Dan Williams wrote:
> 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?

I'll just remove this message. We can return ERFKILL error instead.
That will allow user to identify problem without message.

Thanks
Stanislaw