Bug#628444: iwlagn - "MAC is in deep sleep", cannot restore wifi operation

["Venkataraman, Meenakshi" <meenakshi.venkataraman@intel.com>]

Hi Juha,

>Mar 22 20:13:47 rigel kernel: [1259943.614216] iwlwifi 0000:03:00.0: RF_KILL
>bit toggled to disable radio.
>Mar 22 20:13:47 rigel kernel: [1259943.614350] iwlwifi 0000:03:00.0: Not
>sending command - RF KILL

 [MV] These are not technically error messages, and we had a patch fixing these error messages in the recent past. What kernel version are you running?

>Mar 22 20:13:47 rigel kernel: [1259943.624242] ieee80211 phy0: failed to
>remove key (1, ff:ff:ff:ff:ff:ff) from hardware (-5)

[MV]  This could potentially be an issue -- we'll look into this.

>After switching the radios back on, I get
>
>Mar 22 20:14:22 rigel kernel: [1259978.719860] iwlwifi 0000:03:00.0: RF_KILL
>bit toggled to enable radio.
>
>but *absolutely* *nothing* *else*. No RF LED, nothing.

[MV]  Ouch. This is likely also a bug in mac80211/driver...can you file a separate bug for this on the intel linux wireless bugzilla: http://bugzilla.intellinuxwireless.org/; so we can have someone look at it?

Thanks,
Meenakshi