[Bug 1765935] Re: After 18.04 Installation TPM error screen (read a pcr value)

[A S]

I upgraded the bio manually to 1.7.0 and reinstalled Ubuntu. This Had No
effect on the tpm Error described above which occurred again after
hitting "restart now" at the end of the Installation, Just fyi

Actually, the First two (identical) lines occurred, the Other two were
Not shown.

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Title:
  After 18.04 Installation TPM error screen (read a pcr value)

Status in debian-installer package in Ubuntu:
  New

Bug description:
  I installed a fresh (daily build, 20.04.2018) Ubuntu 18.04 on an Dell XPS 13.
  After the installation was complete, it didn't shut down successfully:

  [....] tpm tpm0: A TPM error (7) occurred attempting to read a pcr value
  [....] tpm tpm0: A TPM error (7) occurred attempting to read a pcr value
  [....] sd 8:0:0:0: [sda] No Caching mode page found
  [....] sd 8:0:0:0: [sda] Assuming drive cache: write through

  => After waiting a couple of minutes, I killed the system and restarted it manually.
  Everything seems to work thus far, the LVM decryption worked, too.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: debian-installer (not installed)
  ProcVersionSignature: Ubuntu 4.15.0-15.16-generic 4.15.15
  Uname: Linux 4.15.0-15-generic x86_64
  ApportVersion: 2.20.9-0ubuntu6
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Apr 21 13:02:19 2018
  InstallationDate: Installed on 2018-04-21 (0 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180420)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 0bda:5682 Realtek Semiconductor Corp. 
   Bus 001 Device 002: ID 0a5c:6412 Broadcom Corp. 
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: Dell Inc. XPS 13 9350
  MemoryUsage:
   total        used        free      shared  buff/cache   available
   Mem:       16268064     1549300    12276884      830220     2441880    13784500
   Swap:       1003516           0     1003516
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-15-generic.efi.signed root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=1
  SourcePackage: debian-installer
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 12/14/2017
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.6.1
  dmi.board.name: 0VM5NC
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A01
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvr1.6.1:bd12/14/2017:svnDellInc.:pnXPS139350:pvr:rvnDellInc.:rn0VM5NC:rvrA01:cvnDellInc.:ct9:cvr:
  dmi.product.family: NULL
  dmi.product.name: XPS 13 9350
  dmi.sys.vendor: Dell Inc.

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