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=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_NEOMUTT autolearn=ham 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 B16E5C43142 for ; Tue, 31 Jul 2018 07:27:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 740A6208A3 for ; Tue, 31 Jul 2018 07:27:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 740A6208A3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731981AbeGaJGZ (ORCPT ); Tue, 31 Jul 2018 05:06:25 -0400 Received: from mx2.suse.de ([195.135.220.15]:33064 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729736AbeGaJGZ (ORCPT ); Tue, 31 Jul 2018 05:06:25 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 5A4FBADE2; Tue, 31 Jul 2018 07:27:27 +0000 (UTC) Date: Tue, 31 Jul 2018 09:27:25 +0200 From: Joerg Roedel To: Ye Xiaolong Cc: kernel test robot , Thomas Gleixner , LKP , linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [LKP] [lkp-robot] [confidence: ] 7757d607c6 [ 56.996267] BUG: Bad page map in process trinity-c2 pte:0d755065 pmd:0d55b067 Message-ID: <20180731072725.ecbhfm6642xxao5z@suse.de> References: <20180721022325.GF12513@shao2-debian> <20180727132542.mt35m3knpwpsyb73@suse.de> <20180731020036.GB22500@yexl-desktop> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180731020036.GB22500@yexl-desktop> User-Agent: NeoMutt/20170421 (1.8.2) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jul 31, 2018 at 10:00:36AM +0800, Ye Xiaolong wrote: > On 07/27, Joerg Roedel wrote: > >May I ask how this was bisected? I found it very hard to reproduce, it > >triggered less then two times a day with the attached reproducer. Given > >that the report came pretty fast after the patches landed in > >tip/x86/pti, I guess it triggered a lot faster in your testing. > > > > There is higher reproduce rate (2/310) in 0day environment, and we got dozens > of qemu running simultaneously for bisection thus can get bisect result promptly. Ah okay, that makes sense. Thanks for your answer and thanks for the report again. Regards, Joerg