From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f71.google.com (mail-wm0-f71.google.com [74.125.82.71]) by kanga.kvack.org (Postfix) with ESMTP id 311176B0038 for ; Thu, 21 Dec 2017 09:01:36 -0500 (EST) Received: by mail-wm0-f71.google.com with SMTP id r63so3909328wmb.9 for ; Thu, 21 Dec 2017 06:01:36 -0800 (PST) Received: from mail-sor-f41.google.com (mail-sor-f41.google.com. [209.85.220.41]) by mx.google.com with SMTPS id q6sor10788448edb.27.2017.12.21.06.01.34 for (Google Transport Security); Thu, 21 Dec 2017 06:01:34 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <20171221130057.GA26743@wolff.to> References: <20171221130057.GA26743@wolff.to> From: weiping zhang Date: Thu, 21 Dec 2017 22:01:33 +0800 Message-ID: Subject: Re: Regression with a0747a859ef6 ("bdi: add error handle for bdi_debug_register") Content-Type: text/plain; charset="UTF-8" Sender: owner-linux-mm@kvack.org List-ID: To: Bruno Wolff III Cc: Laura Abbott , Jan Kara , Jens Axboe , linux-mm@kvack.org, Linux Kernel Mailing List , regressions@leemhuis.info, weiping zhang , linux-block@vger.kernel.org 2017-12-21 21:00 GMT+08:00 Bruno Wolff III : > After today, I won't have physical access to the problem machine until > January 2nd. So if you guys have any testing suggestions I need them soon if > they are to get done before my vacation. > I do plan to try booting to level 1 to see if I can get a login prompt that > might facilitate testing. The lockups do happen fairly late in the boot > process. I never get to X, but maybe it will get far enough for a console > login. > Hi, how do you do bisect ?build all kernel commit one by one ? as you did before: https://bugzilla.redhat.com/show_bug.cgi?id=1520982 what kernel source code do you use that occur warning at device_add_disk? from fedora or any official release ? if so ,could you provide web link? if you use same kernel source code and same .config, why your own build Cann't trigger that warning ? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org