Look like this issue has been fixed for Ubuntu 22.04: linux-image- generic-hwe-22.04 @ 6.5.0.14.14~22.04.7
TPM is working again as expected. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed-hwe-6.2 in Ubuntu. https://bugs.launchpad.net/bugs/2047153 Title: Intel TPM: tpm_crb: probe of MSFT0101:00 failed with error 378 Status in linux-signed-hwe-6.2 package in Ubuntu: Confirmed Bug description: Linux kernel 6.2.0-37 introduces a regression which breaks Intel TPM detection at boot. This was reported in the upstream kernel, and a fix is available. https://bugzilla.kernel.org/show_bug.cgi?id=217804 https://github.com/torvalds/linux/commit/8f7f35e5aa6f2182eabcfa3abef4d898a48e9aa8 # dmesg|grep -i tpm [ 0.000000] efi: ACPI=0x75640000 ACPI 2.0=0x75640014 TPMFinalLog=0x7560f000 SMBIOS=0x75cc8000 SMBIOS 3.0=0x75cc7000 MEMATTR=0x6e49a018 ESRT=0x6e8b3198 RNG=0x754fe018 TPMEventLog=0x6e2a2018 [ 0.014972] ACPI: TPM2 0x0000000075500000 00004C (v04 ALASKA A M I 00000001 AMI 00000000) [ 0.015001] ACPI: Reserving TPM2 table memory at [mem 0x75500000-0x7550004b] [ 0.391710] tpm_crb: probe of MSFT0101:00 failed with error 378 [ 1.119989] ima: No TPM chip found, activating TPM-bypass! ProblemType: Bug DistroRelease: Ubuntu 22.04 Package: linux-image-6.2.0-39-generic 6.2.0-39.40~22.04.1 ProcVersionSignature: Ubuntu 6.2.0-39.40~22.04.1-generic 6.2.16 Uname: Linux 6.2.0-39-generic x86_64 ApportVersion: 2.20.11-0ubuntu82.5 Architecture: amd64 CasperMD5CheckResult: pass CloudArchitecture: x86_64 CloudID: none CloudName: none CloudPlatform: none CloudSubPlatform: config Date: Fri Dec 22 00:01:29 2023 InstallationDate: Installed on 2023-04-09 (256 days ago) InstallationMedia: Ubuntu-Server 22.04.2 LTS "Jammy Jellyfish" - Release amd64 (20230217.1) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed-hwe-6.2 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-6.2/+bug/2047153/+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
