I'd like to perform a "Reverse" bisect to figure out what commit fixes this bug. We need to identify the last kernel version that had the bug, and the first kernel version that fixed the bug.
Can you test the following kernels and report back: v4.14-rc1: http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.14-rc1/ v4.14 final: http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.14/ v4.15-rc1: http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.15-rc1/ v5.15-rc4: http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.15-rc4/ You don't have to test every kernel, just up until the first kernel that does not have the bug. Thanks in advance! ** Tags added: performing-bisect -- 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: Incomplete 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