Public bug reported:
The Linux kernel has issues when secure boot is enabled and PTT enabled.
For starters, it causes the machine to boot twice every time I restart.
In addition, the kernel and OS is just slow. This only happened after
installing Ubuntu with secure boot enabled, and MOK manager on.
The machine should boot once, load the signed modules and kernel stuff,
and load Ubuntu without issue.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: shim 15+1533136590.3beb971-0ubuntu1
ProcVersionSignature: Ubuntu 5.3.0-46.38~18.04.1-generic 5.3.18
Uname: Linux 5.3.0-46-generic x86_64
.proc.sys.kernel.moksbstate_disabled: Error: [Errno 2] No such file or
directory: '/proc/sys/kernel/moksbstate_disabled'
ApportVersion: 2.20.9-0ubuntu7.14
Architecture: amd64
Date: Thu Apr 9 20:13:07 2020
Dependencies:
EFIBootMgr:
BootCurrent: 0000
Timeout: 0 seconds
BootOrder: 0000,0002
Boot0000* ubuntu
HD(1,GPT,852024ca-15db-4ab7-9c49-0494d8af08e0,0x800,0x100000)/File(\EFI\ubuntu\shimx64.efi)
Boot0002* UEFI: ST1000LM035-1RK172, Partition 1
HD(1,GPT,852024ca-15db-4ab7-9c49-0494d8af08e0,0x800,0x100000)/File(EFI\boot\bootx64.efi)..BO
EFITables:
Apr 09 19:55:28 ubuntuPC kernel: efi: EFI v2.40 by American Megatrends
Apr 09 19:55:28 ubuntuPC kernel: efi: ACPI=0x8a5f1000 ACPI 2.0=0x8a5f1000
SMBIOS=0xf0000 SMBIOS 3.0=0xf0020 ESRT=0x8b2a8118 MEMATTR=0x86f14018
Apr 09 19:55:28 ubuntuPC kernel: secureboot: Secure boot disabled
Apr 09 19:55:28 ubuntuPC kernel: esrt: Reserving ESRT space from
0x000000008b2a8118 to 0x000000008b2a8150.
GrubDiff: Binary files /boot/efi/EFI/ubuntu/grubx64.efi and
/usr/lib/grub/x86_64-efi-signed/grubx64.efi.signed differ
InstallationDate: Installed on 2020-04-04 (5 days ago)
InstallationMedia: Ubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64
(20200203.1)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SecureBoot: 6 0 0 0 1
SourcePackage: shim
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: shim (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
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https://bugs.launchpad.net/bugs/1871969
Title:
Ubuntu booting takes a long time when secure boot is enabled
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