tech-kern archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

Re: pmf(9) and Xen domU suspending?

On Thu, Apr 03, 2008 at 05:10:05PM +0200, Juan RP wrote:
> On Thu, 03 Apr 2008 17:03:59 +0200
> Jean-Yves Migeon <> wrote:
> > Question regarding sysmon events though: in 
> > dev/sysmon/sysmon_power.c:965, the PSWITCH_TYPE_SLEEP case seems to 
> > catch the event for the SLEEP, but ends in a NOOP (when comparing it to 
> > other entries like RESET or POWERDOWN, which calls cpu_reboot(...) ). 
> > Does that mean that the SLEEP event should be handled somewhere else?
> Yes, the event will be sent to the powerd(8) daemon via a proplib(4)
> dictionary with all details (try powerd -d to look at it) and it will
> run the 'pressed' action in the /etc/powerd/scripts/sleep_button file.
> When powerd(8) is not running, the kernel tries to do something, but
> in this case as there's no current policy it just prints an informative
> message.

In this case I'm not sure we want to go though sysmon and powerd at all
though. In case of e.g. a migration the guest isn't supposed to notice
at all. 

Manuel Bouyer <>
     NetBSD: 26 ans d'experience feront toujours la difference

Home | Main Index | Thread Index | Old Index