Re: [PATCH 3/3] x86/ima: retry detecting secure boot mode

From: Matthew Garrett
Date: Mon Mar 11 2019 - 15:20:27 EST

On Mon, Mar 11, 2019 at 9:55 AM Mimi Zohar <zohar@xxxxxxxxxxxxx> wrote:
> On Fri, 2019-03-08 at 09:51 -0800, Matthew Garrett wrote:
> > Hm. And this only happens on certain firmware versions? If something's
> > stepping on boot_params then we have bigger problems.
> I was seeing this problem before and after updating the system
> firmware on my laptop last summer. If updating the firmware had
> resolved the problem, I wouldn't have included this patch.

Ah, sorry, when you said that you saw this with older firmware I
thought that meant that newer firmware fixed it. What machine are you
testing on?