Public bug reported:
Linux kernel 5.3 on Lenovo 5th gen X1 carbon with a tpm2 device with
secure boot enabled does not have an event log securityfs file
generated:
$ cat /proc/version_signature
Ubuntu 5.3.0-16.17-generic 5.3.1
$ dmesg | grep -i tpm
[ 0.000000] efi: TPMFinalLog=0x4ff92000 SMBIOS=0x4f110000 SMBIOS
3.0=0x4f10d000 ACPI=0x4fffe000 ACPI 2.0=0x4fffe014 ESRT=0x4ef88000
MEMATTR=0x49e84298
[ 0.021935] ACPI: SSDT 0x000000004FFFC000 0003CC (v02 LENOVO Tpm2Tabl
00001000 INTL 20160527)
[ 0.021940] ACPI: TPM2 0x000000004FFFB000 000034 (v03 LENOVO TP-N1M
00001390 PTEC 00000002)
[ 0.843628] tpm_tis MSFT0101:00: 2.0 TPM (device-id 0x1B, rev-id 16)
$ ls -l /sys/kernel/security/
total 0
drwxr-xr-x 4 root root 0 Oct 4 09:18 apparmor
lr--r--r-- 1 root root 0 Oct 4 09:18 evm -> integrity/evm/evm
lr--r--r-- 1 root root 0 Oct 4 09:18 ima -> integrity/ima
drwxr-xr-x 4 root root 0 Oct 4 09:18 integrity
-r--r--r-- 1 root root 0 Oct 4 09:18 lsm
There should be, but is not, a /sys/kernel/security/tpm0/ directory with
a binary_bios_measurements seq_file in it.
ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: linux-image-5.3.0-16-generic 5.3.0-16.17
ProcVersionSignature: Ubuntu 5.3.0-16.17-generic 5.3.1
Uname: Linux 5.3.0-16-generic x86_64
ApportVersion: 2.20.11-0ubuntu7
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: steve 2671 F.... pulseaudio
/dev/snd/pcmC0D0p: steve 2671 F...m pulseaudio
Date: Fri Oct 4 09:40:19 2019
HibernationDevice: RESUME=UUID=7270148c-966e-451c-81a4-69e27b8278c7
InstallationDate: Installed on 2017-12-15 (657 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 138a:0097 Validity Sensors, Inc.
Bus 001 Device 003: ID 13d3:5682 IMC Networks Integrated Camera
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: LENOVO 20HRCTO1WW
ProcEnviron:
LANG=en_US.UTF-8
TERM=screen.xterm-256color
PATH=(custom, no user)
SHELL=/bin/bash
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.3.0-16-generic
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-5.3.0-16-generic N/A
linux-backports-modules-5.3.0-16-generic N/A
linux-firmware 1.182
SourcePackage: linux
UpgradeStatus: Upgraded to eoan on 2019-09-23 (11 days ago)
dmi.bios.date: 04/16/2019
dmi.bios.vendor: LENOVO
dmi.bios.version: N1MET54W (1.39 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20HRCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrN1MET54W(1.39):bd04/16/2019:svnLENOVO:pn20HRCTO1WW:pvrThinkPadX1Carbon5th:rvnLENOVO:rn20HRCTO1WW:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad X1 Carbon 5th
dmi.product.name: 20HRCTO1WW
dmi.product.sku: LENOVO_MT_20HR_BU_Think_FM_ThinkPad X1 Carbon 5th
dmi.product.version: ThinkPad X1 Carbon 5th
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug eoan package-from-proposed
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https://bugs.launchpad.net/bugs/1846796
Title:
missing tpm event log on lenovo 5th gen X1 carbon with 5.3 kernel
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