Hi. On Thu, 2008-11-06 at 18:12 +0900, KAMEZAWA Hiroyuki wrote: > On Thu, 6 Nov 2008 10:12:18 +0100 > Pavel Machek <pavel@xxxxxxx> wrote: > > > > 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 > Ok. I'll confirm if I have a chance. > Sorry for rumor. Oh, sorry. I read what I expected instead of what was there - thought you were still walking about plugging and unplugging memory. Nigel _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
