> > So if I understand this correctly, you'd like to manually turn off devices > > during a power off. I believe the ACPI spec recommends this for S4 (but > > also > > to leave on wake devices), but not necessarily S5. Still it may be a good > > idea. Comments? > > It is neccessary for some machines (interrupt controller) or machine > will not power down...
Additionally, some machines won't properly park/flush the disk, it's necessary to send the proper suspend commands to IDE hard disks prior to shutting down or we risk data loss. > > > Actually this patch should be in the queue somewhere... We had it in > > > suse trees for a long time, and IMO it can solve problem easily. > > > > Yeah, that's what I had in mind when I mentioned PMSG_FREEZE. It seems > > to replace "shutdown" in many ways, is this correct? > > Yes. (Actually I'm not sure if PMSG_FREEZE or PMSG_SUSPEND is right > thing to do for suspend.) I think FREEZE for kexec and SUSPEND for shutdown, though I suppose we may want a separate one for the later eventually... Ben. ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
