James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> writes: > On Wed, 2020-10-14 at 19:57 +0200, Dirk Gouders wrote: >> On my laptop the check introduced with 55707d531af62b (tpm_tis: Add a >> check for invalid status) triggered the warning (output below). >> >> So, my laptop seems to be a candidate for testing. > > I'm afraid this is a known problem on a wide range of TIS TPMs ... it's > fixed by the patch set I'm trying to get upstream: > > https://lore.kernel.org/linux-integrity/20201001180925.13808-1-James.Bottomley@xxxxxxxxxxxxxxxxxxxxx/ > > But in the meantime, it's harmless. The TIS code at the point in the > trace is trying to send a TPM2_GetCapability() command which fails > because the locality isn't listening, but the design of that command is > only to trigger an interrupt to probe the interrupt handling nothing > else depends on it succeeding. Thank you for the explanation and sorry for the noise. It seems I misunderstood the commit message. I will watch the ongoing discussion you pointed me to. Dirk
