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 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 28FD0C46467 for ; Mon, 16 Jan 2023 12:41:33 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pHOnF-00072p-D6; Mon, 16 Jan 2023 07:40:53 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pHOmz-0006uJ-S6 for qemu-devel@nongnu.org; Mon, 16 Jan 2023 07:40:39 -0500 Received: from mail-wr1-x42d.google.com ([2a00:1450:4864:20::42d]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pHOmx-0005Xn-Ur for qemu-devel@nongnu.org; Mon, 16 Jan 2023 07:40:37 -0500 Received: by mail-wr1-x42d.google.com with SMTP id h16so27340357wrz.12 for ; Mon, 16 Jan 2023 04:40:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=T0DnhvNFGwHuRGwEEuxHzYvSKe9TQZxtnNHYQv7Jwds=; b=w/6RDx1BLSBYgB1DPhUjc4gjvUx+j92umGSw9FFx3woQ2hESgFhafzh+HnRvyLrt1W V/Gt50Qcyegtgg2eGFgEeO1S2W/FeuIpkIqrVuLKW036/wrvrMgZg+znXqZw65OpgRHZ yxly2lFaRmWW2ARZlu02Di97zTIgX/m4GH70dUqey6ob4ZqJrde1nbdfxH0Vd/yz2NFE bJejOlvqQHShAwkqxqoRKHHXlPTHHv/R8/Lqub8Hfa9A/sGrP7NdyB4bZ76yDYaarCqW FT7bVU/OiRK+IuzH0U0q6LGXrYEqDrLFzbwMw/nYtwSpC3FMzdbnIDTPAjIOVUzzhdya z1lQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=T0DnhvNFGwHuRGwEEuxHzYvSKe9TQZxtnNHYQv7Jwds=; b=hbdpPIcYh2tZJH6xtskazhvGdbxbJ5TLVD/i+jt/rp7qu3iN8XOrZv4iiD4QlmeiYL j8VWHVX4BiRKtyiUDybEkeK1jScxlo7M19y8U0J+rdpSei/MrRMSu3JnWBI6CrXz2gJK VFMjUZsH1ZtZlCLsVL19CaIEbb/2zwly6EccOWDAqED6boUxpDOK4UL65C8phtoOJG1w 7DHQ8Zo354KkGTaUXD+liuNGHAJYxukDB1V6NQvFGBCgAGmIhs/83EEvct8jf+Pw8d+u BOJDdkxW5ekTx16xmw2tXsYeKtQezc08lbLtt5PzEJiyPNAZa4W+3k0OYgfGOM7nY0K1 2lvA== X-Gm-Message-State: AFqh2kqQio8RIDba5qWCxWVnD7WgxVurqjzk1HTjnQggygUWIpWzEpIj VkJdY/Eoj7QQH1zC6Rsg9E8JIQ== X-Google-Smtp-Source: AMrXdXsw/bdAzrE6lyUYRIuWy03wpiIkU4ORvIJFr0YZkLjO5jUMKG4Q5YFTSLW8yaM3t3CQnH2+Pg== X-Received: by 2002:adf:d851:0:b0:2bc:5e1:6ff1 with SMTP id k17-20020adfd851000000b002bc05e16ff1mr8265962wrl.10.1673872834152; Mon, 16 Jan 2023 04:40:34 -0800 (PST) Received: from [192.168.30.216] ([81.0.6.76]) by smtp.gmail.com with ESMTPSA id a1-20020a5d4d41000000b002bdef155868sm6487957wru.106.2023.01.16.04.40.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 16 Jan 2023 04:40:33 -0800 (PST) Message-ID: Date: Mon, 16 Jan 2023 13:40:31 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.6.1 Subject: Re: [PATCH 4/4] tests/tcg/multiarch: add vma-pthread.c Content-Language: en-US To: =?UTF-8?Q?Alex_Benn=c3=a9e?= , Peter Maydell Cc: Richard Henderson , iii@linux.ibm.com, qemu-devel@nongnu.org References: <20221224151821.464455-1-richard.henderson@linaro.org> <20221224151821.464455-5-richard.henderson@linaro.org> <87pmbil5rn.fsf@linaro.org> From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= In-Reply-To: <87pmbil5rn.fsf@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::42d; envelope-from=philmd@linaro.org; helo=mail-wr1-x42d.google.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.097, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 13/1/23 18:10, Alex Bennée wrote: > > Peter Maydell writes: > >> On Sat, 24 Dec 2022 at 15:19, Richard Henderson >> wrote: >>> >>> From: Ilya Leoshkevich >>> >>> Add a test that locklessly changes and exercises page protection bits >>> from various threads. This helps catch race conditions in the VMA >>> handling. >>> >>> Signed-off-by: Ilya Leoshkevich >>> Message-Id: <20221223120252.513319-1-iii@linux.ibm.com> >>> Signed-off-by: Richard Henderson >> >> I've noticed that this newly added vma-pthread test seems to >> be flaky. Here's an example from a clang-user job: >> https://gitlab.com/qemu-project/qemu/-/jobs/3600385176 >> >> TEST vma-pthread-with-libbb.so on aarch64 >> fail indirect write 0x5500b1eff0 (Bad address) >> timeout: the monitored command dumped core >> Aborted >> make[1]: *** [Makefile:173: run-plugin-vma-pthread-with-libbb.so] Error 134 >> >> and another from a few days earlier: >> https://gitlab.com/qemu-project/qemu/-/jobs/3572970612 >> >> TEST vma-pthread-with-libsyscall.so on s390x >> fail indirect read 0x4000999000 (Bad address) >> timeout: the monitored command dumped core >> Aborted >> make[1]: *** [Makefile:173: run-plugin-vma-pthread-with-libsyscall.so] Error 134 Yet again: https://gitlab.com/qemu-project/qemu/-/jobs/3608436731 > Interesting those are both with plugins. I wonder if the tsan plugin > fixes in my latest tree help? >