Dear Jarkko, Am 16.02.21 um 09:17 schrieb Jarkko Sakkinen:
From: Lukasz Majczak <lma@xxxxxxxxxxxx> This is shown with Samsung Chromebook Pro (Caroline) with TPM 1.2 (SLB 9670): [ 4.324298] TPM returned invalid status [ 4.324806] WARNING: CPU: 2 PID: 1 at drivers/char/tpm/tpm_tis_core.c:275 tpm_tis_status+0x86/0x8f Background ========== TCG PC Client Platform TPM Profile (PTP) Specification, paragraph 6.1 FIFO Interface Locality Usage per Register, Table 39 Register Behavior Based on Locality Setting for FIFO - a read attempt to TPM_STS_x Registers returns 0xFF in case of lack of locality. The described situation manifests itself with the following warning trace:
Did you miss to paste the trace? […] Kind regards, Paul