On 24 Apr 2016 21:31, "poma" <pomidorabelis...@gmail.com> wrote: > > On 20.04.2016 22:42, Chris Murphy wrote: > > On Wed, Apr 20, 2016 at 1:50 PM, Tobias Hunger <tobias.hun...@gmail.com> wrote: > > [...] > > > Anyway, the most complete solution for BIOS, UEFI, and UEFI Secure > > Boot systems, is fast startups as possible (which helps all kinds of > > use cases not just desktops), and then encourage DE's and app makers > > to support apps that save their own state without users having to > > manually save files, and default to power off in low battery cases. > > > > I guess opensuse has some patches that aren't upstream yet that > > support signed hibernation images for UEFI Secure Boot? Maybe there's > > a way forward at some point. But right now I'm just not seeing it. > > There's some kind of brick wall in every direction with hibernation. > > > > :) > "Lacus Hiemalis Edictum" patch-set actually existed for several years. > > ...
<snip> There is something that can be done in systemd to avoid the data loss issue without having to add complexity to the generator. Add to the logind conditions for suspend-to-disk an additional one to the existing ones to ensure resume= is in the kernel cmdline. If it's not there refuse the hibernate and shutdown instead. At least then the processes would get shutdown properly with a TERM and not have a power cord pull situation (with sync) on them. That would be minimal change from present but avoid writing a resume image that will never be read.
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