Am 07.12.18 um 01:00 schrieb Matthew Garrett: > On Thu, Dec 6, 2018 at 3:01 PM Chris Murphy <chris@xxxxxxxxxxxxxxxxx> wrote: >> [ 2.066860] tpm_crb MSFT0101:00: can't request region for resource >> [mem 0x3af5b000-0x3af5b02f] >> [ 2.066916] tpm_crb: probe of MSFT0101:00 failed with error -16 >> [ 2.324683] ima: No TPM chip found, activating TPM-bypass! > > Your firmware is marking the region as ACPI_NVS and the kernel refuses > to allow a driver to allocate it. The "obvious" thing to do here is > for the kernel to allow drivers to allocate ACPI_NVS regions (since > Windows obviously works), but there's then some complexity over the > special-cased NVS save/restore code over suspend/resume. Can´t there be made single exceptions, in this case for TPM modules? (Having the same issue with a Acer notebook, TPM not recognized) Malte
