Public bug reported: This bug has also been reported and fixed on github, but is present in the version of libefivar0 present in Ubuntu 15.10:
https://github.com/rhinstaller/efivar/issues/33 This bug breaks efibootmgr when trying to setup an EFI boot entry for a device with a minor number > 127: E.g. $ sudo efibootmgr --create --disk /dev/sdk --part 1 --label "GRUB2 Shim" --loader "\\EFI\\ubuntu\\shimx64.efi" efibootmgr: Could not set variable: No such file or directory efibootmgr: Could not prepare boot variable: No such file or directory $ lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sdk 8:160 1 3.8G 0 disk └─sdk1 8:161 1 1G 0 part /boot/efi This also seems to break Ubuntu 15.10 upgrades and install on system where the EFI boot device has a minor number >127. ProblemType: Bug DistroRelease: Ubuntu 15.10 Package: libefivar0 0.21-1 ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3 Uname: Linux 4.2.0-16-generic x86_64 NonfreeKernelModules: zfs zunicode zcommon znvpair zavl ApportVersion: 2.19.1-0ubuntu3 Architecture: amd64 Date: Fri Oct 23 17:41:28 2015 Dependencies: gcc-5-base 5.2.1-22ubuntu2 libc6 2.21-0ubuntu4 libgcc1 1:5.2.1-22ubuntu2 InstallationDate: Installed on 2014-04-27 (544 days ago) InstallationMedia: Ubuntu-Server 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: efivar UpgradeStatus: Upgraded to wily on 2015-10-23 (0 days ago) ** Affects: efivar (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug wily -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1509570 Title: efivar-0.21 fails to create boot entry when device min number > 127, breaks efibootmgr To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/efivar/+bug/1509570/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
