From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 22E1FC2BA83 for ; Fri, 14 Feb 2020 18:32:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E0C45222C2 for ; Fri, 14 Feb 2020 18:32:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=guzman.io header.i=@guzman.io header.b="SaqXkxZG" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729542AbgBNScw (ORCPT ); Fri, 14 Feb 2020 13:32:52 -0500 Received: from mail-lf1-f65.google.com ([209.85.167.65]:44906 "EHLO mail-lf1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729448AbgBNScv (ORCPT ); Fri, 14 Feb 2020 13:32:51 -0500 Received: by mail-lf1-f65.google.com with SMTP id v201so7357309lfa.11 for ; Fri, 14 Feb 2020 10:32:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=guzman.io; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=Xk2bvgkNDRmIe9nwpYDUp5fxYuKKc9+qzgchVvlkEKQ=; b=SaqXkxZGmmWUdgkNEHQWD8YQTUkPQw8Jr/8mnVB08wFja3qzgvp2niqt20NNYfZfhF 6ScaKahRf2tJEggqrKPghj3Ufaew7jr/tSoJvqgn/w4NOn4OIPH9ERiq2zS3cd42EVWH 3AZyTlOUyr2hOC0BSXya2g6ovJ+AAz+IkHmp0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=Xk2bvgkNDRmIe9nwpYDUp5fxYuKKc9+qzgchVvlkEKQ=; b=V/Q85vYUGZ5/afeOO1tyS7lB9egFM+koOgRfF0ao8v2Vq07fSLsc5vjuUe+OojDs/y TL1/Ro3qL6HA+zW1Os2l1QeKbeNPfZyX1xXzVprovadZ+y6vsFs1Oo7dbzqC1NraUaXD LSGalNFi3ZVUDAZt4ZfDdBl9oiczCw1bRTffvJXNcVCbZcf0kT8XsNC6AZyKQD6hN4lC LVYwUSOTqlHx+omu6H5RcrWYXHymh3xuEm+UhDPYUd5dzo3OTcpTHBFPbLWas9rEbsAd IDqCSV4d2Od1evWfa61rjoanb28LvoFKqz04WTrpMvBaZ8omWOstY0oKbExpaS725UKd JMxw== X-Gm-Message-State: APjAAAWLmp+dnzno3IUY1ZkH/ITuQhF7iv8BJak1jvkopRgkk1ay8XDM m3xyhFVaPJpz2aEsE6zwhv/0z/EVREBI/bYMMybAdl9pHB2hVhwB X-Google-Smtp-Source: APXvYqzgxiJI57GaM/7bOWPdH0oRrj8i2f0dW3C3qD1eji9LTaqKOZ/ZnS7IqF1in4yXCqQqmdV0zc6zx51sThlOZbE= X-Received: by 2002:ac2:5e29:: with SMTP id o9mr2327740lfg.81.1581705169039; Fri, 14 Feb 2020 10:32:49 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Alex Guzman Date: Fri, 14 Feb 2020 10:32:37 -0800 Message-ID: Subject: Re: Debugging errors with Dell XPS 9560 TPM To: linux-integrity@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Sender: linux-integrity-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-integrity@vger.kernel.org Looks like someone had a look on the bug tracker (https://bugzilla.kernel.org/show_bug.cgi?id=206275#c6) and they figure it's definitely a regression in the kernel and should be reverted or rectified. They advised me to come ping here once more. - Alex On Sat, Feb 1, 2020 at 4:19 PM Alex Guzman wrote: > > Hey there! I reported a bug on the bug tracker a bit ago but haven't > seen any movement, so I figured I'd drop in here. My XPS 9560 has been > having issues with its TPM, and all commands will fail with error 1 > when operating on the TPM device. I managed to bisect it back to > commit 4d6ebc4c4950595414722dfadd0b361f5a05d37e (tpm: fix invalid > locking in NONBLOCKING mode) though it began failing with error 14 > (bad address) at that point. > > I reported the bug at > https://bugzilla.kernel.org/show_bug.cgi?id=206275 and attached some > dmesg logs from boot there. Does anyone have any suggestions for > additional debugging or such to figure out what's happening here? > > - Alex