Re: Add NULL power handler to x86/ipmi(4)

[Steven Bellovin <smb%cs.columbia.edu@localhost>]

On Jul 16, 2010, at 7:52 25PM, David Young wrote:

> On Fri, Jul 16, 2010 at 04:43:02PM -0700, Paul Goyette wrote:
>> Is there any reason anyone can think of to not add a NULL power
>> handler to the ipmi(4) driver?  I can't see any reason for anything
>> special to happen either at suspend or resume, and the lack of a
>> power handler prevents the system from going to sleep at all.
> 
> ipmi(4) should probably not suspend if its watchdog timer is active.

Watchdog timers and suspend pose an interesting philosophical problem: should 
they be running when the system is suspended?  I suspect not -- but what if the 
system suspends when it shouldn't?

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