From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932688AbeCFQA6 (ORCPT ); Tue, 6 Mar 2018 11:00:58 -0500 Received: from a8-62.smtp-out.amazonses.com ([54.240.8.62]:53348 "EHLO a8-62.smtp-out.amazonses.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932112AbeCFQAy (ORCPT ); Tue, 6 Mar 2018 11:00:54 -0500 From: Jeremy Cline Subject: Regression from efi: call get_event_log before ExitBootServices To: Thiebaud Weksteen , Javier Martinez Canillas , Jarkko Sakkinen Cc: Hans de Goede , linux-efi@vger.kernel.org, linux-integrity@vger.kernel.org, tpmdd-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org Message-ID: <01000161fc0b4755-df0621f4-ab5d-479a-b425-adf98427a308-000000@email.amazonses.com> Date: Tue, 6 Mar 2018 16:00:53 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-SES-Outgoing: 2018.03.06-54.240.8.62 Feedback-ID: 1.us-east-1.z18Isoc/FaoPOvCyJyi1mnTt8STwoRuibXVNoUcvG6g=:AmazonSES Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi folks, Commit 33b6d03469b2 ("efi: call get_event_log before ExitBootServices") causes my GP-electronic T701 tablet to hang when booting. Reverting the patch series or hiding the TPM in the BIOS fixes the problem. I've never fiddled with TPMs before so I'm not sure what what debugging information to provide. It's got an Atom Z3735G and the UEFI firmware is InsydeH20 version BYT70A.YNCHENG.WIN.007. Regards, Jeremy