linux-kernel - Re: Regression from efi: call get_event

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Message-ID: <0100016201863c0f-70600bd6-12d3-461d-9173-e4d61e8d09d5-000000@email.amazonses.com>
Date:   Wed, 7 Mar 2018 17:33:17 +0000
From:   Jeremy Cline <jeremy@...ine.org>
To:     Thiebaud Weksteen <tweek@...gle.com>
Cc:     Javier Martinez Canillas <javierm@...hat.com>,
        Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
        hdegoede@...hat.com, linux-efi@...r.kernel.org,
        linux-integrity@...r.kernel.org, tpmdd-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org
Subject: Re: Regression from efi: call get_event_log before ExitBootServices

On 03/07/2018 03:41 AM, Thiebaud Weksteen wrote:
> Hi,
> 
> Thanks for testing and sending this report! This patch relies heavily on
> the functions exposed by the firmware. My first guess would be that some of
> these may not be implemented correctly by the manufacturer.
> 
> Could you share more information on this specific device?
> Do you have any link to the manufacturer website (I found [1] but it is
> based on an ARM CPU)?
> Do you have the option to update your firmware? Is a copy of the firmware
> available from the manufacturer?

I couldn't find a copy of the firmware, unfortunately.

> On your side, I assume no error message got displayed on the screen when
> booting. Would you be able to try to boot in an UEFI shell [2] and execute
> the command "dh -v"?

Yup, no errors on the screen. I've attached the output of dh -v from the
UEFI shell.


Regards,
Jeremy

View attachment "dh.txt" of type "text/plain" (280950 bytes)