Re: [lkp-robot] [tpm] b008bd39b1: kmsg.tpm_tpm#:A_TPM_error(#)occurred_attempting_get_random

2018-01-02 Thread Jarkko Sakkinen
On Wed, Dec 27, 2017 at 01:11:14PM -0700, Jason Gunthorpe wrote:
> On Wed, Dec 27, 2017 at 10:55:32AM +0800, kernel test robot wrote:
> 
> > caused below changes (please refer to attached dmesg/kmsg for entire 
> > log/backtrace):
> > 
> > [5.903660] tpm_tis 00:05: 1.2 TPM (device-id 0xFE, rev-id 70)
> > [5.934271] tpm tpm0: A TPM error (7) occurred attempting to read a pcr 
> > value
> > [5.941471] tpm tpm0: TPM is disabled/deactivated (0x7)
> > [5.953053] tpm tpm0: A TPM error (7) occurred attempting get random
> 
> Should the BIOS expose a disabled/deactivated TPM to the operating
> system?
> 
> Jason

Nope.

/Jarkko


Re: [lkp-robot] [tpm] b008bd39b1: kmsg.tpm_tpm#:A_TPM_error(#)occurred_attempting_get_random

2018-01-02 Thread Jarkko Sakkinen
On Wed, Dec 27, 2017 at 01:11:14PM -0700, Jason Gunthorpe wrote:
> On Wed, Dec 27, 2017 at 10:55:32AM +0800, kernel test robot wrote:
> 
> > caused below changes (please refer to attached dmesg/kmsg for entire 
> > log/backtrace):
> > 
> > [5.903660] tpm_tis 00:05: 1.2 TPM (device-id 0xFE, rev-id 70)
> > [5.934271] tpm tpm0: A TPM error (7) occurred attempting to read a pcr 
> > value
> > [5.941471] tpm tpm0: TPM is disabled/deactivated (0x7)
> > [5.953053] tpm tpm0: A TPM error (7) occurred attempting get random
> 
> Should the BIOS expose a disabled/deactivated TPM to the operating
> system?
> 
> Jason

Nope.

/Jarkko


Re: [lkp-robot] [tpm] b008bd39b1: kmsg.tpm_tpm#:A_TPM_error(#)occurred_attempting_get_random

2017-12-27 Thread Jason Gunthorpe
On Wed, Dec 27, 2017 at 10:55:32AM +0800, kernel test robot wrote:

> caused below changes (please refer to attached dmesg/kmsg for entire 
> log/backtrace):
> 
> [5.903660] tpm_tis 00:05: 1.2 TPM (device-id 0xFE, rev-id 70)
> [5.934271] tpm tpm0: A TPM error (7) occurred attempting to read a pcr 
> value
> [5.941471] tpm tpm0: TPM is disabled/deactivated (0x7)
> [5.953053] tpm tpm0: A TPM error (7) occurred attempting get random

Should the BIOS expose a disabled/deactivated TPM to the operating
system?

Jason


Re: [lkp-robot] [tpm] b008bd39b1: kmsg.tpm_tpm#:A_TPM_error(#)occurred_attempting_get_random

2017-12-27 Thread Jason Gunthorpe
On Wed, Dec 27, 2017 at 10:55:32AM +0800, kernel test robot wrote:

> caused below changes (please refer to attached dmesg/kmsg for entire 
> log/backtrace):
> 
> [5.903660] tpm_tis 00:05: 1.2 TPM (device-id 0xFE, rev-id 70)
> [5.934271] tpm tpm0: A TPM error (7) occurred attempting to read a pcr 
> value
> [5.941471] tpm tpm0: TPM is disabled/deactivated (0x7)
> [5.953053] tpm tpm0: A TPM error (7) occurred attempting get random

Should the BIOS expose a disabled/deactivated TPM to the operating
system?

Jason