On Tue, Dec 16, 2014 at 10:19:26PM +0100, Peter Huewe wrote:
> > So, what do you think? Are we now settled with this?
> 
> Meh...
> It does not recognize my tpm20 with force=1 :( :( :(
> Probably since I don't have a machine with bios integration -> no tpm startup,
> and your startup is returned with RC_SIZE :(

I don't know why it worked for me. My dTPM2 does not export ACPI device
but I guess firmware does execute startup. 

I root caused this quickly and attached patch here. Does that resolve
your issue?


>  rmmod tpm; modprobe tpm_tis force=1 ; dmesg 
> modprobe: ERROR: could not insert 'tpm_tis': No such device
> [   77.744050] tpm_tis tpm_tis: 2.0 TPM (device-id 0x1A, rev-id 16)
> [   77.816049] tpm_tis tpm_tis: A TPM error (256) occurred attempting to generate an interrupt
> [   77.888043] tpm_tis tpm_tis: A TPM error (256) occurred attempting to generate an interrupt
> [   77.960043] tpm_tis tpm_tis: A TPM error (256) occurred attempting to generate an interrupt
> [   77.960057] genirq: Flags mismatch irq 6. 00000080 (tpm0) vs. 00000000 (floppy)
> [   77.960067] tpm_tis tpm_tis: Unable to request irq: 6 for probe
> [   77.960073] genirq: Flags mismatch irq 7. 00000080 (tpm0) vs. 00000000 (parport0)
> [   77.960077] tpm_tis tpm_tis: Unable to request irq: 7 for probe
> [   77.960082] genirq: Flags mismatch irq 8. 00000080 (tpm0) vs. 00000000 (rtc0)
> [   77.960087] tpm_tis tpm_tis: Unable to request irq: 8 for probe
> [   78.032041] tpm_tis tpm_tis: A TPM error (256) occurred attempting to generate an interrupt
> [   78.104043] tpm_tis tpm_tis: A TPM error (256) occurred attempting to generate an interrupt
> [   78.176041] tpm_tis tpm_tis: A TPM error (256) occurred attempting to generate an interrupt
> [   78.248041] tpm_tis tpm_tis: A TPM error (256) occurred attempting to generate an interrupt
> [   78.320041] tpm_tis tpm_tis: A TPM error (256) occurred attempting to generate an interrupt
> [   78.392040] tpm_tis tpm_tis: A TPM error (256) occurred attempting to generate an interrupt
> [   78.464041] tpm_tis tpm_tis: A TPM error (256) occurred attempting to generate an interrupt
> [   78.524041] tpm_tis tpm_tis: A TPM error (256) occurred continue selftest
> [   78.524048] tpm_tis tpm_tis: Firmware has not started TPM
> [   78.596041] tpm_tis tpm_tis: A TPM error (149) occurred attempting to start the TPM
> [   78.596048] tpm_tis tpm_tis: TPM self test failed
> 
> 
> ;(
> Peter

/Jarkko