lkml.org 
[lkml]   [2019]   [Apr]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: Add support for TCG2 log format on UEFI systems
On Mon, Apr 1, 2019 at 4:52 PM Jarkko Sakkinen
<jarkko.sakkinen@linux.intel.com> wrote:
>
> On Wed, Feb 27, 2019 at 12:26:54PM -0800, Matthew Garrett wrote:
> > Identical to V4, but based on tpmdd-next
>
> OK, so on my GLK NUC I get valid final log and invalid event log
> after adding some extra klogs.
>
> I.e.
>
> - if (efi.tpm_log == EFI_INVALID_TABLE_ADDR)
> + if (efi.tpm_log == EFI_INVALID_TABLE_ADDR) {

Just to make sure - are you booting via the EFI boot stub? We need to
obtain the boot log before ExitBootServices() is called, so if you're
booting directly into the 32-bit entry point (eg, by using the "linux"
command in grub) then you won't get a log.

\
 
 \ /
  Last update: 2019-04-02 05:33    [W:0.146 / U:30.828 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site