Re: [tpmdd-devel] TPM 2.0 chip in Intel NUC miniPC not works

[Jarkko S. <jar...@li...>]

On Tue, Nov 03, 2015 at 08:27:59AM +0100, Peter Huewe wrote:
> Hi,
> 
> > Both of linux-tpm2(for-peter-v44 branch) and linux-tpmdd(for-james branch)
> > kernel tree returned same log as follow:
> > 
> > -------------------------
> > debian@debian:~$ dmesg | grep -i tpm
> > [    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-4.3.0-rc4+
> > root=UUID=a5e5e761-c2f2-41c3-9dfd-800a73e7a3e6 ro quiet
> > tpm_tis.force=1
> > [    0.000000] ACPI: TPM2 0x00000000A1F64EF8 000034 (v03 INTEL
> > NUC5i5MY 00000001 AMI  00000000)
> > [    0.000000] Kernel command line:
> > BOOT_IMAGE=/boot/vmlinuz-4.3.0-rc4+
> > root=UUID=a5e5e761-c2f2-41c3-9dfd-800a73e7a3e6 ro quiet
> > tpm_tis.force=1
> > [    0.844214] tpm_tis tpm_tis: 2.0 TPM (device-id 0x1A, rev-id 16)
> > [    1.026107] genirq: Flags mismatch irq 8. 00000080 (tpm0) vs. 00000000 (rtc0)
> > [    1.026110] tpm_tis tpm_tis: Unable to request irq: 8 for probe
> > -------------------------
> > I ADDed tpm_tis.force=1 to kernel boot command.
> 
> Does it show the same result, with and without the tpm_tis.force=1?

The above is not a TPM driver error. It's a side effect how it probes
the IRQ.

/Jarkko