Re: [PATCH v3] tpm: fix intermittent failure with self tests

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Dera Jarkko,


Am 21.02.2018 um 08:25 schrieb Jarkko Sakkinen:
On Tue, Feb 20, 2018 at 06:09:51PM -0500, James Bottomley wrote:
On Tue, 2018-02-20 at 23:28 +0200, Jarkko Sakkinen wrote:
On Tue, Feb 20, 2018 at 11:27:25PM +0200, Jarkko Sakkinen wrote:

On Tue, Feb 20, 2018 at 09:26:00PM +0200, Jarkko Sakkinen wrote:

On Tue, Feb 20, 2018 at 12:51:51PM -0500, James Bottomley wrote:

On Tue, 2018-02-20 at 19:43 +0200, Jarkko Sakkinen wrote:

I get merge conflicts in my tree but I'll review this.

You told me to rebase it on that patch that wasn't in your
tree:

https://patchwork.kernel.org/patch/10208965/

If you put it in your tree, I can just rebase on top of
everything.

James

Aah. Sorry, my bad I'll move forward on testing :-)

/Jarkko

Tested-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx>

/Jarkko

These must be taken away:

[    2.843641] tpm tpm0: TPM: running incremental selftest
[    2.854087] tpm tpm0: TPM: selftest succeeded

I'm not wedded to having the messages, but it helps give context when
something like this happens:

[    1.550099] tpm_tis MSFT0101:00: 2.0 TPM (device-id 0xFE, rev-id 2)
[    1.550108] tpm tpm0: TPM: running incremental selftest
[    1.602294] tpm tpm0: A TPM error (323) occurred incremental selftest
[    1.602320] tpm tpm0: TPM: incremental selftest failed
[    1.602322] tpm tpm0: TPM: running full selftest
[    2.523689] tpm tpm0: TPM: selftest succeeded

It also helps explain why I lost a second in the boot sequence to the
TPM having to run a full self test.

Without the chatty messages, what you see is

[    1.550099] tpm_tis MSFT0101:00: 2.0 TPM (device-id 0xFE, rev-id 2)
[
     1.602294] tpm tpm0: A TPM error (323) occurred incremental selftest

Which is a bit harder to interpret.

Way too much bloat to klog. Telling whether the full or incremental test
failed makes sense. Otherwise, not so much.

As a user, I agree with James here. Having more elaborate information would have helped me in the past. Two more lines won’t hurt in my opinion either.

[…]


Kind regards,

Paul



[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Linux Kernel]     [Linux Kernel Hardening]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux SCSI]

  Powered by Linux