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=-0.5 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,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 40959CA9EA0 for ; Fri, 25 Oct 2019 13:19:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 14ADC21D7B for ; Fri, 25 Oct 2019 13:19:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=gmx.net header.i=@gmx.net header.b="cQVFHky3" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2394573AbfJYNTy (ORCPT ); Fri, 25 Oct 2019 09:19:54 -0400 Received: from mout.gmx.net ([212.227.17.22]:42897 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2394561AbfJYNTy (ORCPT ); Fri, 25 Oct 2019 09:19:54 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1572009580; bh=KFRM/HuQYrBsmzUGAol+zTtrK8sFAfsaYLY7BYhLUSE=; h=X-UI-Sender-Class:Subject:From:Reply-To:To:Cc:Date:In-Reply-To: References; b=cQVFHky33nyI+63EU/Z0YFLvNd2hFP4hzV7/zX54U+EJosF7b6j/8OgoVERM2TQb9 zU8KJufzEhc0V+hc9XE5EjW4PylZWIy4eUSX5QYnxyf6CCS79Ydc/kgfFaYj9xUDwE DQuVV1/2g076OrHPiHufi5ni86M3gTpjGemCP7cc= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from bear.fritz.box ([80.128.101.49]) by mail.gmx.com (mrgmx104 [212.227.17.168]) with ESMTPSA (Nemesis) id 1Mlf0U-1hfGob3qew-00ilro; Fri, 25 Oct 2019 15:19:39 +0200 Message-ID: <3f6f8ac5dd3c3f053c682e8fc408c85d7b3e93e0.camel@gmx.de> Subject: Re: mlockall(MCL_CURRENT) blocking infinitely From: Robert Stupp Reply-To: snazy@snazy.de To: snazy@snazy.de, Michal Hocko Cc: Randy Dunlap , linux-kernel@vger.kernel.org, Linux MM , Andrew Morton , "Potyra, Stefan" Date: Fri, 25 Oct 2019 15:19:37 +0200 In-Reply-To: References: <4576b336-66e6-e2bb-cd6a-51300ed74ab8@snazy.de> <20191025092143.GE658@dhcp22.suse.cz> <70393308155182714dcb7485fdd6025c1fa59421.camel@gmx.de> <20191025114633.GE17610@dhcp22.suse.cz> <20191025115038.GF17610@dhcp22.suse.cz> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.34.1-2 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:Q6llJXN/am3SGFo+oibZ1pCgXyV1XsvnsZFtNqUCawdAvCMcZdU xgqttSCpTyJuLIS+wt8q/75J0L/91em0rU4c7pMqEsNNQOvbNoWlknyPJbeplL5eANmRkjR fARCp5v0a8qIMGVYdhIGz8u40415NGBQKBQmKTUb7TrVF/c2oD2po3e4wzEfoKTNLV/PfsA LtJlJVwMDa5gNkaEnYpYA== X-UI-Out-Filterresults: notjunk:1;V03:K0:Lk83J9fMnHY=:aKC97v3q4y6d5T1C3vLaP3 buogJYs0jBkvbzCI8XmxnlLLVe5JDQQkf2SfpLP3CM96Obsg4nKWYBUB5bKMMwDf6ghCTFv1g GvY5PY0n5a6iJPAHdozhZKTg5CwEWIMHeoivCuzdczejU3yZNhfrKkgMgIuPPP2eJH2yZr8tI j6wdjMLv/h/SPSNxBgCp4UmHq7z/E3TJ9+j7tFjvvaTNOojgq/U49B+5mRWlH5RQKmIpoN2K6 CeMPK4z1hyEoTgcS3cHGfjCCb7FutILyBqUf5LKtaWiRQDOXyjEDxK1ktB+JXZhzx64d01y2K MVgD3t36Q+dVV59PHqLx8J6zJmdmkA+uC0VXmD7klLy/57PyJwXcl5+pRTZtLSE/dCOVwSYG4 6z6XsRPPa1pHfO1mq7TgKiND0trd/rVuWKvKysPXrS01EZOKP+iu8QufO3AYLnMwapPfUqbo2 n0MLHeS3t+7nRGm+VH9cGggf42LlbnmzqifRhHSMju1sxAyG9OA81Cs86tPHfGL8iT/tt3G1d e0qeezUCOss4qOt7mORCOJ57aWvMD3+LnC3v4/wBc1ImL6I1b+05vWKLTJFk7RQLkuD2zEMrq 3h2oTDnXo0nzHd3uwc3KMiu4t8NFAHbCdHhSJMXxKK4bP1ds0+m7vwH5PWP7DncDBjVxI1mQX 8G/0JXYG41zN4rrY1/nc8icW70jouYw0kX0syAgJcOcR+SqYeVbdd/sabLxkCZfQ5rDecwNoE gK/GyIpZFmsoPmtpoZUWYo/Yza3h5zSPQkZxVmGhUiBH9umdMTPZC2xllYc+rORCETFqQKjWh fW2c4DkpN5wjtVkWBQj2QeS2FQJIi0WMz4IuyE/9jC2r4ay6dtrP3ezDIpaDq+tiO1G4QNDpL kd4ZiDvjntvdjZkB8Ejp/eG/jWScSZreotG3z0YLWiad9tDK6VpVESrQ6g/I3mLazZeWFpl3k eW7ujeY4NosaxJgrcjmNho5ucQ3GhxsfNCsKKzMHw5Guiuc4QlnIQweRyIAADRl5rA5ygb/CL +qnFnyPbl9bvHMcXu8C5CUpY6QYI/3iRee+QahIKxgPJ4KWcXWGTwowZPquCMu3QxIg87YIhC +oOXVR4brg0ackPyFxtsnUCdzNoecvtsyoqYKJdo+NJ7n3uwKe1b0uAQ558O7AfRoieKZCi7r 3q38UzzN/6zmyniB1YiDMCUbl2WbWP3pb+BFCSs++BOUT/VUY0+5ZXwDyFzc198S8Glm14wAM f+BY8KQNEsHFTrPBIf9ABsTIB9Zz/BXU9uADT6Q== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2019-10-25 at 13:59 +0200, Robert Stupp wrote: > On Fri, 2019-10-25 at 13:50 +0200, Michal Hocko wrote: > > On Fri 25-10-19 13:46:33, Michal Hocko wrote: > > > > I suspect, that it's something that's "special" on my machine. But > I've > got no clue what that might be. Do you think it makes sense to try > with > all the spectre/meltdown mitigations disabled? Or SMT disabled? > Bummer - booting the kernel with `mitigations=3Doff` didn't help. 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=-0.5 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,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 8A42ACA9EA0 for ; Fri, 25 Oct 2019 13:19:46 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 4AA3821D71 for ; Fri, 25 Oct 2019 13:19:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=gmx.net header.i=@gmx.net header.b="cQVFHky3" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4AA3821D71 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gmx.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id D6DF16B0003; Fri, 25 Oct 2019 09:19:45 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id D1DA16B0006; Fri, 25 Oct 2019 09:19:45 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C346D6B0007; Fri, 25 Oct 2019 09:19:45 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0192.hostedemail.com [216.40.44.192]) by kanga.kvack.org (Postfix) with ESMTP id A14226B0003 for ; Fri, 25 Oct 2019 09:19:45 -0400 (EDT) Received: from smtpin25.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with SMTP id 39D6B8249980 for ; Fri, 25 Oct 2019 13:19:45 +0000 (UTC) X-FDA: 76082364330.25.nest39_5513930f7c42f X-HE-Tag: nest39_5513930f7c42f X-Filterd-Recvd-Size: 4031 Received: from mout.gmx.net (mout.gmx.net [212.227.17.22]) by imf07.hostedemail.com (Postfix) with ESMTP for ; Fri, 25 Oct 2019 13:19:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1572009580; bh=KFRM/HuQYrBsmzUGAol+zTtrK8sFAfsaYLY7BYhLUSE=; h=X-UI-Sender-Class:Subject:From:Reply-To:To:Cc:Date:In-Reply-To: References; b=cQVFHky33nyI+63EU/Z0YFLvNd2hFP4hzV7/zX54U+EJosF7b6j/8OgoVERM2TQb9 zU8KJufzEhc0V+hc9XE5EjW4PylZWIy4eUSX5QYnxyf6CCS79Ydc/kgfFaYj9xUDwE DQuVV1/2g076OrHPiHufi5ni86M3gTpjGemCP7cc= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from bear.fritz.box ([80.128.101.49]) by mail.gmx.com (mrgmx104 [212.227.17.168]) with ESMTPSA (Nemesis) id 1Mlf0U-1hfGob3qew-00ilro; Fri, 25 Oct 2019 15:19:39 +0200 Message-ID: <3f6f8ac5dd3c3f053c682e8fc408c85d7b3e93e0.camel@gmx.de> Subject: Re: mlockall(MCL_CURRENT) blocking infinitely From: Robert Stupp Reply-To: snazy@snazy.de To: snazy@snazy.de, Michal Hocko Cc: Randy Dunlap , linux-kernel@vger.kernel.org, Linux MM , Andrew Morton , "Potyra, Stefan" Date: Fri, 25 Oct 2019 15:19:37 +0200 In-Reply-To: References: <4576b336-66e6-e2bb-cd6a-51300ed74ab8@snazy.de> <20191025092143.GE658@dhcp22.suse.cz> <70393308155182714dcb7485fdd6025c1fa59421.camel@gmx.de> <20191025114633.GE17610@dhcp22.suse.cz> <20191025115038.GF17610@dhcp22.suse.cz> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.34.1-2 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:Q6llJXN/am3SGFo+oibZ1pCgXyV1XsvnsZFtNqUCawdAvCMcZdU xgqttSCpTyJuLIS+wt8q/75J0L/91em0rU4c7pMqEsNNQOvbNoWlknyPJbeplL5eANmRkjR fARCp5v0a8qIMGVYdhIGz8u40415NGBQKBQmKTUb7TrVF/c2oD2po3e4wzEfoKTNLV/PfsA LtJlJVwMDa5gNkaEnYpYA== X-UI-Out-Filterresults: notjunk:1;V03:K0:Lk83J9fMnHY=:aKC97v3q4y6d5T1C3vLaP3 buogJYs0jBkvbzCI8XmxnlLLVe5JDQQkf2SfpLP3CM96Obsg4nKWYBUB5bKMMwDf6ghCTFv1g GvY5PY0n5a6iJPAHdozhZKTg5CwEWIMHeoivCuzdczejU3yZNhfrKkgMgIuPPP2eJH2yZr8tI j6wdjMLv/h/SPSNxBgCp4UmHq7z/E3TJ9+j7tFjvvaTNOojgq/U49B+5mRWlH5RQKmIpoN2K6 CeMPK4z1hyEoTgcS3cHGfjCCb7FutILyBqUf5LKtaWiRQDOXyjEDxK1ktB+JXZhzx64d01y2K MVgD3t36Q+dVV59PHqLx8J6zJmdmkA+uC0VXmD7klLy/57PyJwXcl5+pRTZtLSE/dCOVwSYG4 6z6XsRPPa1pHfO1mq7TgKiND0trd/rVuWKvKysPXrS01EZOKP+iu8QufO3AYLnMwapPfUqbo2 n0MLHeS3t+7nRGm+VH9cGggf42LlbnmzqifRhHSMju1sxAyG9OA81Cs86tPHfGL8iT/tt3G1d e0qeezUCOss4qOt7mORCOJ57aWvMD3+LnC3v4/wBc1ImL6I1b+05vWKLTJFk7RQLkuD2zEMrq 3h2oTDnXo0nzHd3uwc3KMiu4t8NFAHbCdHhSJMXxKK4bP1ds0+m7vwH5PWP7DncDBjVxI1mQX 8G/0JXYG41zN4rrY1/nc8icW70jouYw0kX0syAgJcOcR+SqYeVbdd/sabLxkCZfQ5rDecwNoE gK/GyIpZFmsoPmtpoZUWYo/Yza3h5zSPQkZxVmGhUiBH9umdMTPZC2xllYc+rORCETFqQKjWh fW2c4DkpN5wjtVkWBQj2QeS2FQJIi0WMz4IuyE/9jC2r4ay6dtrP3ezDIpaDq+tiO1G4QNDpL kd4ZiDvjntvdjZkB8Ejp/eG/jWScSZreotG3z0YLWiad9tDK6VpVESrQ6g/I3mLazZeWFpl3k eW7ujeY4NosaxJgrcjmNho5ucQ3GhxsfNCsKKzMHw5Guiuc4QlnIQweRyIAADRl5rA5ygb/CL +qnFnyPbl9bvHMcXu8C5CUpY6QYI/3iRee+QahIKxgPJ4KWcXWGTwowZPquCMu3QxIg87YIhC +oOXVR4brg0ackPyFxtsnUCdzNoecvtsyoqYKJdo+NJ7n3uwKe1b0uAQ558O7AfRoieKZCi7r 3q38UzzN/6zmyniB1YiDMCUbl2WbWP3pb+BFCSs++BOUT/VUY0+5ZXwDyFzc198S8Glm14wAM f+BY8KQNEsHFTrPBIf9ABsTIB9Zz/BXU9uADT6Q== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000002, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Fri, 2019-10-25 at 13:59 +0200, Robert Stupp wrote: > On Fri, 2019-10-25 at 13:50 +0200, Michal Hocko wrote: > > On Fri 25-10-19 13:46:33, Michal Hocko wrote: > > > > I suspect, that it's something that's "special" on my machine. But > I've > got no clue what that might be. Do you think it makes sense to try > with > all the spectre/meltdown mitigations disabled? Or SMT disabled? > Bummer - booting the kernel with `mitigations=3Doff` didn't help.