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Subject: Re: Regression from efi: call get_event_log before ExitBootServices
To:     Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>,
        Thiebaud Weksteen <tweek@google.com>,
        Jeremy Cline <jeremy@jcline.org>,
        Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc:     hdegoede@redhat.com, Javier Martinez Canillas <javierm@redhat.com>,
        linux-efi@vger.kernel.org, linux-integrity@vger.kernel.org,
        tpmdd-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
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 <f9098c326ab3070c3215901e3383a3a2d208b2ae.camel@linux.intel.com>
From:   Paul Menzel <pmenzel@molgen.mpg.de>
Message-ID: <f57f77fb-9637-e9f9-2f9c-3244ef652948@molgen.mpg.de>
Date:   Mon, 12 Mar 2018 11:41:25 +0100
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Dear Jarkko,


On 03/12/18 11:17, Jarkko Sakkinen wrote:
> On Sat, 2018-03-10 at 10:45 +0000, Thiebaud Weksteen wrote:
>> On Fri, Mar 9, 2018 at 5:54 PM Jeremy Cline <jeremy@jcline.org> wrote:=

>>> and it's hanging at "memset(log_tbl, 0, sizeof(*log_tbl) + log_size);=
"
>>
>> Thanks. Well, it looks like the memory that is supposedly allocated is=
 not
>> usable. I'm thinking this is a firmware bug.
>> Ard, would you agree on this assumption? Thoughts on how to proceed?
>=20
> Check if the BIOS is up to date?

How would that help? The no regression policy demands, that Linux=20
continues working on systems, where it worked before. So upgrading the=20
firmware is no solution, is it? Until a solution is found, the commits=20
should be reverted.


Kind regards,

Paul


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