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

[Matt Thomas <matt%3am-software.com@localhost>]

On Jul 16, 2010, at 5:04 PM, Steven Bellovin wrote:

> 
> 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?

Note that some watchdogs can't be disabled.