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[2604:1380:45d1:ec00::1]) by mx.google.com with ESMTPS id b36-20020a05620a272400b007839320b7cesi478940qkp.268.2024.02.01.12.58.09 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Feb 2024 12:58:09 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-48837-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) client-ip=2604:1380:45d1:ec00::1; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=YpTfagR9; arc=pass (i=1 dkim=pass dkdomain=kernel.org); spf=pass (google.com: domain of linux-kernel+bounces-48837-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-48837-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id 846A91C2484D for ; Thu, 1 Feb 2024 20:58:09 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 9C6FC3CF5D; Thu, 1 Feb 2024 20:58:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="YpTfagR9" Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A57DD3CF40 for ; Thu, 1 Feb 2024 20:58:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706821084; cv=none; b=ttEWrfRQw2vJew+T0EaWmEf3WNnQblOxlIYrPblz5p07cRKb6kFCTjqJyBLh8zpeI9Sl2yPcX1nzVgSkR1OHNDHr6/XPeB5NAHRFdHa8LstcDi3GMAA/Qwfekf2DDC0RhxicCWD8i3QShVRvclVc58hxIKKVHSADyqpizIbCbVE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706821084; c=relaxed/simple; bh=cAZOQMB+5stUlPLiaxUjv3QJ12+R1RpYYPqAjIoF2e4=; h=Message-ID:Date:MIME-Version:To:Cc:From:Subject:Content-Type; b=J8yIPDYrlbYQfb3YwNiBPoFnu6+mxHzfFqZiVxo2NDcNqc+W0kRsaQnqvfORy6vLVnME1OMqpgCYaiWgOPHPJpfFwQXXx8v7oZwmQNX+/2DDWPcFVWbq5YMKP0jLhpdUvFk98XHYVtJtShNlQeqQSaW1olpaNl/OHypznY9Zwuk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YpTfagR9; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id E3D01C433F1; Thu, 1 Feb 2024 20:58:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1706821084; bh=cAZOQMB+5stUlPLiaxUjv3QJ12+R1RpYYPqAjIoF2e4=; h=Date:To:Cc:From:Subject:From; b=YpTfagR963fmb5mao58fYwE8Iar0QjBsE38XMnxAIFC2P2We+7Dq1AcN/0+LBzsfA PNX74jSyo8ZPGfHnciWicycD20SJf6Cbzc1hsvK3t4X5zazFlknISAJc2IHMRTOvR3 gP7zU3y0UvXW371bYlvhMnWUZz7ACbYzDBoB6qIjDQLhtcjlg3RtuUMVz5595LaevN e3In9cXXrvBTF9n2eFu0ERbNeaPaSSnviHLT15Zn8SeFAMYg6iQ88XeCYJKxMcB1RM /c/qPu/CJD58CQ0It4HjqY656s5thDI5Q8pVM6zqEzXB70Q26WPU394Lo4EhVRQTSs gSghX8T5uGqJQ== Message-ID: Date: Thu, 1 Feb 2024 21:57:59 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US To: Tejun Heo , linux-kernel@vger.kernel.org, Naohiro.Aota@wdc.com, kernel-team@meta.com Cc: Bjorn Andersson From: Konrad Dybcio Subject: Workqueue regression Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Hi, So, commit "Implement system-wide nr_active enforcement for unbound workqueues" broke *something* and now performing a suspend-wakeup cycle on a Qualcomm SC8280XP-based (arm64) platform hangs when performing the resume tasks, presumably somewhere near PCIe reinitialization (but that may be a red herring). Reverting the commit (and the ones on top of it due to conflicts) fixes the issue on next-20240130 and later (plus some out-of-tree patches that are largely unrelated). Not sure where to start looking. Konrad