On 24.04.2016 22:31, poma 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. > > ... > ] Command line: BOOT_IMAGE=/vmlinuz-4.5.2-321.fc22.x86_64 ... > resume=UUID=12345678-7654-5689-8765-432123456789 > ] efi: EFI v2.60 by EDK II > ] DMI: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015 > ] Secure boot enabled > ... > ] PM: Checking hibernation image partition > UUID=12345678-7654-5689-8765-432123456789 > ] PM: Hibernation image not present or could not be loaded. > ] systemd[1]: Created slice system-systemd\x2dhibernate\x2dresume.slice. > ] PM: Hibernation image partition 8:4 present > ] PM: Looking for hibernation image. > ] PM: Image not found (code -22) > ] PM: Hibernation image not present or could not be loaded. > ... > ] PM: Hibernation mode set to 'shutdown' > ] PM: Basic memory bitmaps created > ] PM: Preallocating image memory... > ] PM: Avoid snapshot the page of hibernation key. > ] done (allocated 136192 pages) > ] PM: Allocated 544768 kbytes in 0.06 seconds (9079.46 MB/s) > ] PM: Creating hibernation image: > ] PM: Avoid snapshot the page of hibernation key. > ] PM: Need to copy 135752 pages > ] PM: Normal pages needed: 135752 + 1024, available pages: 245848 > ] PM: Avoid snapshot the page of hibernation key. > ..... > ... > . > ... > ..... > ] PM: Image restored successfully. > ] PM: Enforce hibernate signature verifying > ] PM: Signature verifying pass > ] PM: Restored hibernation keys > ] PM: Basic memory bitmaps freed > ] Restarting tasks ... done. > ... > > Ref. > Signature verification of hibernate snapshot v2 > https://www.spinics.net/lists/kernel/msg2054106.html > https://patchwork.kernel.org/project/LKML/list/?page=791 / 790 > v2-01-16-PM-hibernate-define-HMAC-algorithm-and-digest-size-of-hibernation.patch > ... > v2-16-16-PM-hibernate-Document-signature-verification-of-hibernate-snapshot.patch > > i.e. unified 0001-Signature-verification-of-hibernate-snapshot-v2.patch > within kernel 4.5.2-321.fc22.x86_64. > >
FTR Support for generating and verifying the signature of a hibernate image; EFI https://bugzilla.redhat.com/show_bug.cgi?id=1330335 _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/systemd-devel
