> On Thu, 6 Nov 2008 09:14:41 +0900 > KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> wrote: > > > Ok, please consider "when memory hotplug happens." > > > > In general, it happens when > > 1. memory is inserted to slot. > > 2. the firmware notifes the system to enable already inserted memory. > > > > To trigger "1", you have to open cover of server/pc. Do you open pc while the system > > starts hibernation ? for usual people, no. > > > > To trigger "2", the user have special console to tell firmware "enable this memory". > > Such firmware console or users have to know "the system works well." And, more important, > > when the system is suspended, the firmware can't do hotplug because the kernel is sleeping. > > So, such firmware console or operator have to know the system status. > > > > Am I missing some ? Current linux can know PCI/USB hotplug while the system is suspended ? > > > *OFFTOPIC* > > I hear following answer from my friend. > > - hibernate the system > => plug USB memory > => wake up the system > => panic. That should work. File a bugzilla if it does not. > - hibernate the system > => unplug USB memory > => wake up the sytem > => panic. That should work ok as long as you unmount the drive first. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
