[Bug 1750351] [NEW] (Thinkpad T470) Boot loop after update

[Moritz Baumann]

Public bug reported:

After upgrading shim-signed to 1.33.1~17.10.1 (and installing the grub
updates that were published at the same time), the system is stuck in a
boot loop. I've had to downgrade shim and grub to their release versions
to get the system to boot again.

The following message gets displayed before the system resets each time:
> System BootOrder not found. Initializing defaults.
> Creating boot entry "Boot0000" with label "ubuntu" for file "\EFI\ubuntu\shim64.efi"
>
> Reset system

A similar message, without the last line, was already displayed on
successful boots before the update.

According to the information in bug #1747889, the Thinkpad X1 Carbon
might be affected as well.

ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: shim 0.9+1474479173.6c180c6-1ubuntu1
ProcVersionSignature: Ubuntu 4.13.0-32.35-generic 4.13.13
Uname: Linux 4.13.0-32-generic x86_64
.proc.sys.kernel.moksbstate_disabled: Error: [Errno 2] No such file or directory: '/proc/sys/kernel/moksbstate_disabled'
ApportVersion: 2.20.7-0ubuntu3.7
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Mon Feb 19 11:10:34 2018
Dependencies:
 
EFITables:
 Feb 19 10:08:21 mdbauman kernel: efi: EFI v2.50 by Lenovo
 Feb 19 10:08:21 mdbauman kernel: efi:  SMBIOS=0xba69b000  SMBIOS 3.0=0xba698000  ACPI=0xbb5fe000  ACPI 2.0=0xbb5fe014  MEMATTR=0xb4a1f298 
 Feb 19 10:08:21 mdbauman kernel: Secure boot enabled and kernel locked down
 Feb 19 10:08:21 mdbauman kernel: Bluetooth: hci0: Secure boot is enabled
 Feb 19 10:18:41 mdbauman fwupd[2852]: disabling plugin because: failed to coldplug uefi: UEFI firmware updating not supported
InstallationDate: Installed on 2017-09-09 (162 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170926)
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 artful

** Attachment added: "Related BIOS settings"
   https://bugs.launchpad.net/bugs/1750351/+attachment/5058149/+files/BIOS_SETTINGS.pdf

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https://bugs.launchpad.net/bugs/1750351

Title:
  (Thinkpad T470) Boot loop after update

Status in shim package in Ubuntu:
  New

Bug description:
  After upgrading shim-signed to 1.33.1~17.10.1 (and installing the grub
  updates that were published at the same time), the system is stuck in
  a boot loop. I've had to downgrade shim and grub to their release
  versions to get the system to boot again.

  The following message gets displayed before the system resets each time:
  > System BootOrder not found. Initializing defaults.
  > Creating boot entry "Boot0000" with label "ubuntu" for file "\EFI\ubuntu\shim64.efi"
  >
  > Reset system

  A similar message, without the last line, was already displayed on
  successful boots before the update.

  According to the information in bug #1747889, the Thinkpad X1 Carbon
  might be affected as well.

  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: shim 0.9+1474479173.6c180c6-1ubuntu1
  ProcVersionSignature: Ubuntu 4.13.0-32.35-generic 4.13.13
  Uname: Linux 4.13.0-32-generic x86_64
  .proc.sys.kernel.moksbstate_disabled: Error: [Errno 2] No such file or directory: '/proc/sys/kernel/moksbstate_disabled'
  ApportVersion: 2.20.7-0ubuntu3.7
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Feb 19 11:10:34 2018
  Dependencies:
   
  EFITables:
   Feb 19 10:08:21 mdbauman kernel: efi: EFI v2.50 by Lenovo
   Feb 19 10:08:21 mdbauman kernel: efi:  SMBIOS=0xba69b000  SMBIOS 3.0=0xba698000  ACPI=0xbb5fe000  ACPI 2.0=0xbb5fe014  MEMATTR=0xb4a1f298 
   Feb 19 10:08:21 mdbauman kernel: Secure boot enabled and kernel locked down
   Feb 19 10:08:21 mdbauman kernel: Bluetooth: hci0: Secure boot is enabled
   Feb 19 10:18:41 mdbauman fwupd[2852]: disabling plugin because: failed to coldplug uefi: UEFI firmware updating not supported
  InstallationDate: Installed on 2017-09-09 (162 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170926)
  SecureBoot: 6   0   0   0   1
  SourcePackage: shim
  UpgradeStatus: No upgrade log present (probably fresh install)

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