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[23.128.96.18]) by mx.google.com with ESMTP id a8si979934pgv.309.2022.01.19.12.45.07; Wed, 19 Jan 2022 12:45:19 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=ni93+18+; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235097AbiARHe1 (ORCPT + 99 others); Tue, 18 Jan 2022 02:34:27 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45234 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229474AbiARHeY (ORCPT ); Tue, 18 Jan 2022 02:34:24 -0500 Received: from mail-ed1-x535.google.com (mail-ed1-x535.google.com [IPv6:2a00:1450:4864:20::535]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 49670C061574; Mon, 17 Jan 2022 23:34:24 -0800 (PST) Received: by mail-ed1-x535.google.com with SMTP id u21so75538740edd.5; Mon, 17 Jan 2022 23:34:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=/1OBZme0H7AVI+jDyd9p59GVxpM5RWOedaf9dth3aMc=; b=ni93+18+9ZRAbWhYSzp+z0hv9ztm+CzSmPZfaqhodYah7GEH39cUK9ZHd1eFolbIKV NZAFhG9iiGF6e4b0l2Xll8McRP5eFSgDTagFNbAKeogtG5i5kQp6TIP+zgTb8xLcqAVE ssxylESId85cxUM7wS4H7KGXsp3WbtzkLKjqBuL+E9gbMk+z6MalwsGUid5uirfjTiW+ 93tnTla0nhDiryj4YI3mOOIQybcctya/sSsfu/e7RGRl4by/EUJc8xWMhLI4ogHFwd1w LsZP/QXuCU6AE7cNRBsZqlisxxpZa8JZ7iAbjOjMU23KC3t9svLWdMnTfNUaj2zoiqCS 7GIg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=/1OBZme0H7AVI+jDyd9p59GVxpM5RWOedaf9dth3aMc=; b=t5YKEZAOJW9NTg3GjQ8gJX8lBkYHo/9Bxe8IHYwOFFNTk3moEj6ZntEBreGz8NT3zq h8zQ8SX3SfEfQwBuisD00/X+y+/2lh6HnXQlo7c3tn9DgUIkhs6IAvRARSaO8V18TlCI 2I1k0DxmCTghjXOffafhnBWm9YhTrGMgEcAvYwb3xynuCovEx3GlVMJepNKQSJG3fUvH UQfUzIDgI6jR2hZtNwjI1jxItIgeamPszXo+IwGeK9EeRASdb5/gyvoB/rDAboupHMLT Vj6TLhx4OzjfCU1TQD04vvdW/kk3wEe9UR7NfAri840GnEJpYcRomxsjY7JWkgC7yin6 eKhQ== X-Gm-Message-State: AOAM530GXt2ONW0zkjTtcpMuTO2faLVTcDSDeLx3s6swvLwt7yqD6YS6 /HQ3zHD/eiEhd6eOP7+Z2ertM7LIV78BBL7X9YU= X-Received: by 2002:a17:906:7254:: with SMTP id n20mr12886751ejk.551.1642491262743; Mon, 17 Jan 2022 23:34:22 -0800 (PST) MIME-Version: 1.0 References: <36bd91e4-8eda-5677-7fde-40295932a640@molgen.mpg.de> In-Reply-To: <36bd91e4-8eda-5677-7fde-40295932a640@molgen.mpg.de> From: Zhouyi Zhou Date: Tue, 18 Jan 2022 15:34:10 +0800 Message-ID: Subject: Re: Problems with rcutorture on ppc64le: allmodconfig(2) and other failures To: Paul Menzel Cc: "Paul E. McKenney" , Josh Triplett , rcu , linux-kselftest@vger.kernel.org, LKML Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, I have studied the rcu torture test recently. I am also interested in this topic. But I can't open [1]: https://owww.molgen.mpg.de/~pmenzel/allmodconf-Make.out.txt [2]: https://owww.molgen.mpg.de/~pmenzel/rcutorture-log.txt From your email, It seems that include/generated/autoconf.h is not generated in the early stage of kernel build. Could you try following one by one if you have time ;-) after invoking each of the following commands, we can examine if include/generated/autoconf.h is created in another terminal, and if it is created, we can try the next command. tools/testing/selftests/rcutorture/bin/kvm.sh --buildonly --configs "TREE01= " tools/testing/selftests/rcutorture/bin/kvm.sh --buildonly --configs "TREE02= " tools/testing/selftests/rcutorture/bin/kvm.sh --buildonly --configs "TREE03= " tools/testing/selftests/rcutorture/bin/kvm.sh --buildonly --configs "TREE04= " tools/testing/selftests/rcutorture/bin/kvm.sh --buildonly --configs "TREE05= " tools/testing/selftests/rcutorture/bin/kvm.sh --buildonly --configs "TREE06= " tools/testing/selftests/rcutorture/bin/kvm.sh --buildonly --configs "TREE07= " tools/testing/selftests/rcutorture/bin/kvm.sh --buildonly --configs "TREE08= " tools/testing/selftests/rcutorture/bin/kvm.sh --buildonly --configs "TREE09= " tools/testing/selftests/rcutorture/bin/kvm.sh --buildonly --configs "TREE10= " I am a beginner at learning RCU ;-) I may not be right. Apologize in advance if I am not right. Thanks Zhouyi On Tue, Jan 18, 2022 at 11:03 AM Paul Menzel wrote: > > Dear Linux folks, > > > On an IBM S822LC SL822 (ppc64le) with Ubuntu 21.04, I tried to torture > the RCU. allmodconfig(2) failed though. > > ``` > $ git describe > v5.16-10660-g0c947b893d69 > $ tools/testing/selftests/rcutorture/bin/torture.sh --duration 10 > --- tools/testing/selftests/rcutorture/bin/torture.sh --duration 10 > --- Results directory: 2022.01.17-18.44.36-torture > --- allmodconfig: Start Mon Jan 17 06:44:36 PM CET 2022 > --- rcutorture: Start Mon Jan 17 06:45:02 PM CET 2022 > --- rcutorture-kasan: Start Mon Jan 17 07:07:41 PM CET 2022 > --- locktorture: Start Mon Jan 17 07:33:38 PM CET 2022 > --- locktorture-kasan: Start Mon Jan 17 07:37:05 PM CET 2022 > --- scftorture: Start Mon Jan 17 07:40:54 PM CET 2022 > --- scftorture-kasan: Start Mon Jan 17 07:43:31 PM CET 2022 > --- refscale-rcu: Start Mon Jan 17 07:46:34 PM CET 2022 > --- refscale-rcu-kasan: Start Mon Jan 17 07:49:08 PM CET 2022 > --- refscale-srcu: Start Mon Jan 17 07:52:05 PM CET 2022 > --- refscale-srcu-kasan: Start Mon Jan 17 07:54:39 PM CET 2022 > --- refscale-rcu-tasks: Start Mon Jan 17 07:57:35 PM CET 2022 > --- refscale-rcu-tasks-kasan: Start Mon Jan 17 08:00:10 PM CET 2022 > --- refscale-rcu-trace: Start Mon Jan 17 08:03:06 PM CET 2022 > --- refscale-rcu-trace-kasan: Start Mon Jan 17 08:05:40 PM CET 2022 > --- refscale-refcnt: Start Mon Jan 17 08:08:40 PM CET 2022 > --- refscale-refcnt-kasan: Start Mon Jan 17 08:11:15 PM CET 2022 > --- refscale-rwlock: Start Mon Jan 17 08:14:14 PM CET 2022 > --- refscale-rwlock-kasan: Start Mon Jan 17 08:16:48 PM CET 2022 > --- refscale-rwsem: Start Mon Jan 17 08:19:45 PM CET 2022 > --- refscale-rwsem-kasan: Start Mon Jan 17 08:22:18 PM CET 2022 > --- refscale-lock: Start Mon Jan 17 08:25:17 PM CET 2022 > --- refscale-lock-kasan: Start Mon Jan 17 08:27:53 PM CET 2022 > --- refscale-lock-irq: Start Mon Jan 17 08:30:58 PM CET 2022 > --- refscale-lock-irq-kasan: Start Mon Jan 17 08:33:42 PM CET 2022 > --- refscale-acqrel: Start Mon Jan 17 08:36:58 PM CET 2022 > --- refscale-acqrel-kasan: Start Mon Jan 17 08:39:33 PM CET 2022 > --- refscale-clock: Start Mon Jan 17 08:42:33 PM CET 2022 > --- refscale-clock-kasan: Start Mon Jan 17 08:45:08 PM CET 2022 > --- rcuscale-rcu: Start Mon Jan 17 08:48:06 PM CET 2022 > --- rcuscale-rcu-kasan: Start Mon Jan 17 08:49:25 PM CET 2022 > --- rcuscale-srcu: Start Mon Jan 17 08:50:56 PM CET 2022 > --- rcuscale-srcu-kasan: Start Mon Jan 17 08:52:14 PM CET 2022 > --- rcuscale-srcud: Start Mon Jan 17 08:53:43 PM CET 2022 > --- rcuscale-srcud-kasan: Start Mon Jan 17 08:55:01 PM CET 2022 > --- rcuscale-tasks: Start Mon Jan 17 08:56:31 PM CET 2022 > --- rcuscale-tasks-kasan: Start Mon Jan 17 08:57:48 PM CET 2022 > --- rcuscale-tasks-tracing: Start Mon Jan 17 08:59:17 PM CET 2022 > --- rcuscale-tasks-tracing-kasan: Start Mon Jan 17 09:00:35 PM CET 2022 > --- rcuscale-kvfree: Start Mon Jan 17 09:02:05 PM CET 2022 > --- rcuscale-kvfree-kasan: Start Mon Jan 17 09:03:23 PM CET 2022 > --- clocksourcewd-1: Start Mon Jan 17 09:04:52 PM CET 2022 > --- clocksourcewd-1-kasan: Start Mon Jan 17 09:06:11 PM CET 2022 > --- clocksourcewd-2: Start Mon Jan 17 09:07:42 PM CET 2022 > --- clocksourcewd-2-kasan: Start Mon Jan 17 09:08:59 PM CET 2022 > --- tools/testing/selftests/rcutorture/bin/torture.sh --duration 10 > --- Done Mon Jan 17 09:10:29 PM CET 2022 > SUCCESSES: > rcutorture(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-rcutorture > rcutorture-kasan(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-rcutorture-kasan > locktorture(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-locktorture > locktorture-kasan(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-locktorture-kasan > scftorture(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-scftorture > scftorture-kasan(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-scftorture-kasan > refscale-rcu(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-refscale-rcu > refscale-rcu-kasan(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-refscale-rcu-kasan > refscale-srcu(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-refscale-srcu > refscale-srcu-kasan(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-refscale-srcu-kasan > refscale-rcu-tasks(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-refscale-rcu-tasks > refscale-rcu-tasks-kasan(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-refscale-rcu-tasks-kasan > refscale-rcu-trace(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-refscale-rcu-trace > refscale-rcu-trace-kasan(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-refscale-rcu-trace-kasan > refscale-refcnt(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-refscale-refcnt > refscale-refcnt-kasan(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-refscale-refcnt-kasan > refscale-rwlock(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-refscale-rwlock > refscale-rwlock-kasan(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-refscale-rwlock-kasan > refscale-rwsem(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-refscale-rwsem > refscale-rwsem-kasan(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-refscale-rwsem-kasan > refscale-lock(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-refscale-lock > refscale-lock-kasan(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-refscale-lock-kasan > refscale-lock-irq(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-refscale-lock-irq > refscale-lock-irq-kasan(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-refscale-lock-irq-kasan > refscale-acqrel(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-refscale-acqrel > refscale-acqrel-kasan(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-refscale-acqrel-kasan > refscale-clock(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-refscale-clock > refscale-clock-kasan(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-refscale-clock-kasan > rcuscale-rcu(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-rcuscale-rcu > rcuscale-rcu-kasan(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-rcuscale-rcu-kasan > rcuscale-srcu(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-rcuscale-srcu > rcuscale-srcu-kasan(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-rcuscale-srcu-kasan > rcuscale-srcud(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-rcuscale-srcud > rcuscale-srcud-kasan(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-rcuscale-srcud-kasan > rcuscale-tasks(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-rcuscale-tasks > rcuscale-tasks-kasan(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-rcuscale-tasks-kasan > rcuscale-tasks-tracing(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-rcuscale-tasks-tracing > rcuscale-tasks-tracing-kasan(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-rcuscale-tasks-tracing-kasan > rcuscale-kvfree(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-rcuscale-kvfree > rcuscale-kvfree-kasan(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-rcuscale-kvfree-kasan > clocksourcewd-1(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-clocksourcewd-1 > clocksourcewd-1-kasan(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-clocksourcewd-1-kasan > clocksourcewd-2(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-clocksourcewd-2 > clocksourcewd-2-kasan(0) > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-clocksourcewd-2-kasan > FAILURES: > allmodconfig(2) > tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36-torture/allmod= config > Started at Mon Jan 17 06:44:36 PM CET 2022, ended at Mon Jan 17 09:10:29 > PM CET 2022, duration 2:25:53. > Summary: Successes: 44 Failures: 1. > Size before compressing 0 files: 86M Mon Jan 17 09:10:29 PM CET 2022 > Waiting for final batch 1 of 22 compressions Mon Jan 17 09:10:29 PM CET 2= 022 > Size after compressing 0 files: 86M Mon Jan 17 09:10:29 PM CET 2022 > Total duration 2:25:53. > ``` > > Here is an excerpt from `Make.out` [1]: > > ``` > CC [M] sound/isa/ad1848/ad1848.o > CC security/keys/encrypted-keys/ecryptfs_format.o > In file included from : > ././include/linux/kconfig.h:5:10: fatal error: generated/autoconf.h: No > such file or directory > 5 | #include > | ^~~~~~~~~~~~~~~~~~~~~~ > compilation terminated. > CC [M] fs/reiserfs/inode.o > In file included from : > ././include/linux/kconfig.h:5:10: fatal error: generated/autoconf.h: No > such file or directory > 5 | #include > | ^~~~~~~~~~~~~~~~~~~~~~ > compilation terminated. > In file included from : > ././include/linux/kconfig.h:5:10: fatal error: generated/autoconf.h: No > such file or directory > 5 | #include > | ^~~~~~~~~~~~~~~~~~~~~~ > compilation terminated. > make[3]: *** [scripts/Makefile.build:288: > security/keys/encrypted-keys/ecryptfs_format.o] Error 1 > make[3]: *** Waiting for unfinished jobs.... > In file included from : > ././include/linux/kconfig.h:5:10: fatal error: generated/autoconf.h: No > such file or directory > 5 | #include > | ^~~~~~~~~~~~~~~~~~~~~~ > compilation terminated. > CC [M] sound/i2c/i2c.o > In file included from : > ././include/linux/kconfig.h:5:10: fatal error: generated/autoconf.h: No > such file or directory > 5 | #include > | ^~~~~~~~~~~~~~~~~~~~~~ > compilation terminated. > CC [M] fs/ext4/block_validity.o > make[3]: *** [scripts/Makefile.build:288: sound/isa/ad1848/ad1848.o] Erro= r 1 > make[2]: *** [scripts/Makefile.build:550: sound/isa/ad1848] Error 2 > make[1]: *** [scripts/Makefile.build:550: sound/isa] Error 2 > make[1]: *** Waiting for unfinished jobs.... > ``` > > I wonder why other builds seem to have worked. But checking the other > results, despite the output saying the runs were a success the Linux > kernel builds seem to have failed. For example [2]: > > ``` > $ more > tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36-torture/result= s-rcutorture/log > tools/testing/selftests/rcutorture/bin/kvm.sh --allcpus --duration 7 > --configs CFLIST --trust-make --bootargs > rcupdate.rcu_cpu_stall_suppress_at_boot=3D1 torture.disable_onoff_at_boot > rcupdate.rcu_task_stall_timeout=3D30000 --datestamp > 2022.01.17-18.44.36-torture/results-rcutorture > ----Start batch 1: Mon Jan 17 06:45:03 PM CET 2022 > TREE03 16: Starting build. Mon Jan 17 06:45:03 PM CET 2022 > [=E2=80=A6] > TREE09 1: Build complete. Mon Jan 17 07:07:40 PM CET 2022 > ---- No kernel runs. Mon Jan 17 07:07:40 PM CET 2022 > ---- TREE03 16: Build/run results: > --- Mon Jan 17 06:45:03 PM CET 2022: Starting build, PID 3530842 > :CONFIG_HYPERVISOR_GUEST=3Dy: improperly set > :CONFIG_PARAVIRT=3Dy: improperly set > Kernel build error > make[2]: *** No rule to make target > 'arch/powerpc/kvm//dev/shm/linux/tools/testing/selftests/rcutorture/kvm_m= ain.o', > needed by 'arch/powerpc/kvm/kvm.o'. Stop. > make[1]: *** [scripts/Makefile.build:550: arch/powerpc/kvm] Error 2 > make: *** [Makefile:1840: arch/powerpc] Error 2 > Run aborted. > Build failed, not running KVM, see > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-rcutorture/TREE03. > [=E2=80=A6] > ESC[031mBUG: ESC[mBuild failed > > /dev/shm/linux/tools/testing/selftests/rcutorture/res/2022.01.17-18.44.36= -torture/results-rcutorture/TREE09 > --- Done at Mon Jan 17 07:07:41 PM CET 2022 (22:39.0) exitcode 0 > ``` > > > Kind regards, > > Paul > > > [1]: https://owww.molgen.mpg.de/~pmenzel/allmodconf-Make.out.txt > [2]: https://owww.molgen.mpg.de/~pmenzel/rcutorture-log.txt