Error "Couldn't get size: 0x800000000000000e" has resurfaced despite of the released fix. I found this error in latest Ubuntu 18.04 install. Release fix needs to be re-evaluated.
$ dmesg ..... [ 0.933031] Loading compiled-in X.509 certificates [ 0.934003] Loaded X.509 cert 'Build time autogenerated kernel key: xxxxx...' [ 0.936201] Loaded UEFI:db cert 'ASUSTeK MotherBoard SW Key Certificate: xxxxx...' linked to secondary sys keyring [ 0.936320] Loaded UEFI:db cert 'ASUSTeK Notebook SW Key Certificate: xxxxx...' linked to secondary sys keyring [ 0.936331] Loaded UEFI:db cert 'Microsoft Corporation UEFI CA 2011: xxxxx...' linked to secondary sys keyring [ 0.936340] Loaded UEFI:db cert 'Microsoft Windows Production PCA 2011: xxxxx...' linked to secondary sys keyring [ 0.936461] Loaded UEFI:db cert 'Canonical Ltd. Master Certificate Authority: xxxxx...' linked to secondary sys keyring [ 0.936838] Couldn't get size: 0x800000000000000e [ 0.936839] MODSIGN: Couldn't get UEFI MokListRT .... $ uname -a Linux Machine 5.0.0-25-generic #26~18.04.1-Ubuntu SMP Thu Aug 1 13:51:02 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux $ dpkg -l | grep linux-generic-hwe- ii linux-generic-hwe-18.04 5.0.0.25.82 amd64 Complete Generic Linux kernel and headers $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 18.04.3 LTS Release: 18.04 Codename: bionic $ efibootmgr BootCurrent: 0000 Timeout: 1 seconds BootOrder: 0000,0001 Boot0000* ubuntu Boot0001* Hard Drive Fast Boot -- Disabled Secure Boot -- Disabled CSM -- Disabled -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1743908 Title: MODSIGN: Couldn't get UEFI db list Status in linux package in Ubuntu: Fix Released Bug description: Kernel is having problem loading or validating certificates. Looking over the internet looks like this is a kernel issue. Patchs from other distro: https://bugzilla.redhat.com/show_bug.cgi?id=1497559 - 0001-Make-get_cert_list-not-complain-about-cert-lists-tha.patch - 0002-Add-efi_status_to_str-and-rework-efi_status_to_err.patch - 0003-Make-get_cert_list-use-efi_status_to_str-to-print-er.patch [ 1.203191] Loaded X.509 cert 'Build time autogenerated kernel key: ecdf0c3ef21a8b4ca325a4d1db7d45108ca78734' [ 1.203352] Couldn't get size: 0x800000000000000e [ 1.203354] MODSIGN: Couldn't get UEFI db list [ 1.205030] Loaded UEFI:MokListRT cert 'Canonical Ltd. Master Certificate Authority: ad91990bc22ab1f517048c23b6655a268e345a63' linked to secondary sys keyring [ 1.205102] Couldn't get size: 0x800000000000000e [ 1.205103] MODSIGN: Couldn't get UEFI dbx list ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: linux-image-4.13.0-25-generic 4.13.0-25.29 ProcVersionSignature: Ubuntu 4.13.0-25.29-generic 4.13.13 Uname: Linux 4.13.0-25-generic x86_64 ApportVersion: 2.20.7-0ubuntu3.7 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: wellington 1429 F.... pulseaudio /dev/snd/pcmC1D3p: wellington 1429 F...m pulseaudio /dev/snd/controlC1: wellington 1429 F.... pulseaudio CurrentDesktop: ubuntu:GNOME Date: Wed Jan 17 22:37:13 2018 HibernationDevice: RESUME=UUID=192fbe7e-0dbf-47fc-8277-75569f69f16e InstallationDate: Installed on 2018-01-16 (1 days ago) InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20180105.1) IwConfig: lo no wireless extensions. enp7s0 no wireless extensions. MachineType: Gigabyte Technology Co., Ltd. To be filled by O.E.M. ProcFB: 0 radeondrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-25-generic.efi.signed root=UUID=aa7179de-345d-4e48-8bbd-6397120a155a ro amd_iommu=fullflush iommu=pt RelatedPackageVersions: linux-restricted-modules-4.13.0-25-generic N/A linux-backports-modules-4.13.0-25-generic N/A linux-firmware 1.169.1 RfKill: SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 04/01/2015 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: F3 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: 990FXA-UD5 R5 dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: x.x dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: Gigabyte Technology Co., Ltd. dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF3:bd04/01/2015:svnGigabyteTechnologyCo.,Ltd.:pnTobefilledbyO.E.M.:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rn990FXA-UD5R5:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.: dmi.product.family: To be filled by O.E.M. dmi.product.name: To be filled by O.E.M. dmi.product.version: To be filled by O.E.M. dmi.sys.vendor: Gigabyte Technology Co., Ltd. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1743908/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp