On Friday, December 05, 2014 03:08:25 PM James wrote: > Marc Stürmer <mail <at> marc-stuermer.de> writes: > > The sad thing about hibernation is, that it has always kinda been some > > kind of lackluster in the kernel and quite disappointing. It is a kind > > of area which does not get much love in the kernel for at least over one > > decade. > > > > So if you want to get this working reliable, good luck. You'll need it. > > Hibernation depends on a myriad of CPU variants, setting and the matching > memory issues. (U)efi is a good place to start your long, arduous journey > of research [1] ; see S4.
Not my experience, suspend-to-disk works quite well. The biggest issue was with certain drivers not being able to re-initialize certain hardware. (Yes, I am talking about the likes of Nvidia) With current kernels, it does work though. > I would research the problem and fix it with winblows as the operating > system, if possible; then hope that those setting are not changed > by booting linux. Often you can copy the bios setting from the laptop > and find tools to at least view the contents legibly. It does depend > on the bios. Maybe you need a vendor supplied bios update/downgrade. > > Maybe Coreboot, has some old work laying around that is relevant to > your needs [2]. It is mostly a research journey, that may lead > to success or failure. Hard to say, as sometimes the same make and > model of a laptop, has diffent internal components (like firmware, bios > and chips)... For suspend-to-ram, I agree. Suspend-to-disk can be handled by the OS. -- Joost
