Before installing proposed kernel: admin@1234567:~$ uname -a Linux 1234567 4.15.0-1031-oem #36-Ubuntu SMP Mon Jan 7 09:40:58 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
admin@1234567:~$ dmesg | grep -i tpm [ 0.000000] ACPI: TPM2 0x0000000076D60D78 000034 (v03 Tpm2Tabl 00000001 AMI 00000000) [ 2.438389] tpm_tis MSFT0101:00: 2.0 TPM (device-id 0xFE, rev-id 4) [ 2.449920] tpm tpm0: A TPM error (2314) occurred continue selftest [ 2.482185] tpm tpm0: A TPM error (2314) occurred continue selftest [ 2.534448] tpm tpm0: A TPM error (2314) occurred continue selftest [ 2.626704] tpm tpm0: A TPM error (2314) occurred continue selftest [ 2.798961] tpm tpm0: A TPM error (2314) occurred continue selftest [ 3.131219] tpm tpm0: A TPM error (2314) occurred continue selftest [ 3.783485] tpm tpm0: A TPM error (2314) occurred continue selftest [ 5.064239] tpm tpm0: TPM self test failed [ 5.121846] ima: No TPM chip found, activating TPM-bypass! (rc=-19) → Checkbox TPM2-related tests fail. Install proposed kernel: admin@1234567:~$ uname -a Linux 1234567 4.15.0-47-generic #50~tpm.1 SMP Wed Feb 13 15:53:50 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux admin@1234567:~$ dmesg | grep -i tpm [ 0.000000] Linux version 4.15.0-47-generic (tyhicks@kathleen) (gcc version 7.3.0 (Ubuntu 7.3.0-16ubuntu3)) #50~tpm.1 SMP Wed Feb 13 15:53:50 UTC 2019 (Ubuntu 4.15.0-47.50~tpm.1-generic 4.15.18) [ 0.000000] ACPI: TPM2 0x0000000076D60D78 000034 (v03 Tpm2Tabl 00000001 AMI 00000000) [ 2.454686] tpm_tis MSFT0101:00: 2.0 TPM (device-id 0xFE, rev-id 4) [ 2.466218] tpm tpm0: A TPM error (2314) occurred attempting the self test [ 19.908470] CPU: 0 PID: 451 Comm: systemd-udevd Not tainted 4.15.0-47-generic #50~tpm.1 → Checkbox TPM2-related tests pass. I've tried cold-booting and re-running Checkbox tests 10 times, and I got the same passed results 10 times. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1762672 Title: TPM intermittently fails after cold-boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1762672/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
