On Sun, 18 Mar 2012, Rafael J. Wysocki wrote: > On Sunday, March 18, 2012, Hugh Dickins wrote: > > On Sat, 17 Mar 2012, Keith Packard wrote: > > > On Sat, 17 Mar 2012 18:44:18 -0700 (PDT), Hugh Dickins <hughd at > > > google.com> wrote: > > > > I keep worrying about the sequence when the machine is powered on again > > > > after hibernation: can i915 get up to anything before it is resumed from > > > > the hibernation image? ... > > Well, pretty much the only explanation of the observed symptoms I can imagine > is some kind of "leakage" of the boot kernel's memory mappings through the > graphics adapter into the post-restore system.
Thanks for your detailed confirmations, Rafael. I see from other threads that pretty much everyone has now converged upon this hypothesis - which perhaps I read first elsewhere, forgot, and then thought it my idea! I'll leave it to the i915 experts: good luck in tracking it down. Hugh
