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=-2.4 required=3.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID, USER_AGENT_MUTT 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 DCB7EC4321D for ; Fri, 17 Aug 2018 22:48:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9270A208E0 for ; Fri, 17 Aug 2018 22:48:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Ig6j2XQI" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9270A208E0 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=roeck-us.net 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 S1728542AbeHRBxO (ORCPT ); Fri, 17 Aug 2018 21:53:14 -0400 Received: from mail-pf1-f176.google.com ([209.85.210.176]:36214 "EHLO mail-pf1-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728496AbeHRBxN (ORCPT ); Fri, 17 Aug 2018 21:53:13 -0400 Received: by mail-pf1-f176.google.com with SMTP id b11-v6so4093440pfo.3 for ; Fri, 17 Aug 2018 15:47:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=A0vkox9rPn3+F8NbjlMa4YgmF3l4G/voRbqOvtqqhtI=; b=Ig6j2XQINuIy6249TYd+e01uB4/4mZe7zOwbhYmtxIlTKUxkjYrGPjJZw/w+p7rbtT ddhOs+vBxSrN2K3g7svmhzlynbDxlD54ho7Vf3yX9vxi7AGf7F1cPh4BULOWfJt2GeYu NrXte/X+u6O/P6kNUHEIBvkDtCB1SQ4vRD5CIBEqrLcSNpaYMkHc8JI9PQNgYKhYB0S1 zhzySOd6Bbx16mRDn+EpJMJWlIzf49cbwICCpiymOsL/3L7xlsqA+KRmXEHvrtfr4Ud0 o/HZO3VzS0f1+/FfX09q97NztXEN9QpPR336FMvcWXaAvZ0tyvXyy31mOi/1UnCja2Lf +dQQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to:user-agent; bh=A0vkox9rPn3+F8NbjlMa4YgmF3l4G/voRbqOvtqqhtI=; b=quyDUZtc7E0QVdC5k03GgjliUeZSAPzIMpVpimQnvRCVnahrz2o2hhgpeMoSF8l3hV W2AJegYFRkgG13ZlFYl3Q5GOASwNcbWMDaNgYKTLd+ANub0gF3IqPNKiU0CQ2JKYGNxN eJXie3AEjoCmc5bJoNVmwa6J07MwiNf7hDpe6cvo3m6Vp6NlY00LcpDpX7hXN8XWvK91 mfDqn3lf/KM9D41TZv0IyXj24Y+EcHSkGqiZGiHRnDim0xa3GO1L8XPC2Ge6D2h5tRbg CVL0E/0LbEVCWbIDNNuo5UXkWbxaKNVBCtYAe73i+Trg5OfneoG6GEAqix/XEmx+b89R Ko+Q== X-Gm-Message-State: AOUpUlG4fed1AC05ms32CjLvRqVsAFX/SPv7wHx6kmQaWAW9fGYedJn7 sR4I4g1S+mhcgkgEOJOgD9w= X-Google-Smtp-Source: AA+uWPybqXv7l6bZBjrbZ58AolPMZsbzOQcN19pIYQ8ZXOEfaodUZiBKDj70kdSoObKJwRKR8nyyig== X-Received: by 2002:a63:4d47:: with SMTP id n7-v6mr34521294pgl.270.1534546079291; Fri, 17 Aug 2018 15:47:59 -0700 (PDT) Received: from localhost (108-223-40-66.lightspeed.sntcca.sbcglobal.net. [108.223.40.66]) by smtp.gmail.com with ESMTPSA id d19-v6sm6615666pfm.48.2018.08.17.15.47.57 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 17 Aug 2018 15:47:58 -0700 (PDT) Date: Fri, 17 Aug 2018 15:47:57 -0700 From: Guenter Roeck To: Andi Kleen Cc: linux-kernel@vger.kernel.org, Greg Kroah-Hartman , Linus Torvalds , Thomas Gleixner , Josh Poimboeuf , Dave Hansen , David Woodhouse , x86@kernel.org, dvyukov@google.com, hughd@google.com, "Kirill A. Shutemov" , Andrea Arcangeli Subject: Re: Crash in MM code in v4.4.y, v4.9.y with TRANSPARENT_HUGEPAGE enabledg Message-ID: <20180817224757.GA22198@roeck-us.net> References: <20180817222733.GA18575@roeck-us.net> <20180817223907.GH12066@tassilo.jf.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180817223907.GH12066@tassilo.jf.intel.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Aug 17, 2018 at 03:39:07PM -0700, Andi Kleen wrote: > On Fri, Aug 17, 2018 at 03:27:33PM -0700, Guenter Roeck wrote: > > Hi, > > > > the following crash is seen in v4.4.148, v4.4.149, v4.9.120, and v4.9.121 > > with CONFIG_TRANSPARENT_HUGEPAGE=y, CONFIG_TRANSPARENT_HUGEPAGE_MADVISE=y. > > Just to confirm, it's not in mainline right? So only in backports? > I have only seen it in v.4.4.y and v4.9.y. v4.14.y does not seem to be affected. > There's also a report for 4.17 in > > https://bugzilla.redhat.com/show_bug.cgi?id=1618792 > This is a different traceback, so it is most likely a different problem. I did not test v4.17.y. I'll do that (and v4.18.y, and mainline) for completeness tonight. Guenter