On Fri, 20 Jul 2007 16:49:11 -0400 (EDT)
"Jared D. McNeill" <jmcneill@invisible.ca> wrote:

> 
> You will currently see one or two messages from drivers at attach
> time (this includes devices plugged in after the system boots):
> 
>   1. Driver does not implement powerhooks or devpm handler:
> 
>      isa0: WARNING: power management not supported
> 
>   2. Driver implements powerhooks, not yet converted to devpm:
> 
>      wpi0: WARNING: powerhook_establish is deprecated; please see
> devpm(4) wpi0: WARNING: power management not supported
> 
> Is this acceptable?
> 
Yes, definitely.  A message on attempting a suspend would probably be
a good idea, too, for folks who don't remember to look back at dmesg,
but these messages are fine. 



		--Steve Bellovin, http://www.cs.columbia.edu/~smb