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[147.75.80.249]) by mx.google.com with ESMTPS id gy4-20020a0564025bc400b005546bb1d3a5si4804433edb.262.2023.12.27.08.08.54 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Dec 2023 08:08:54 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-12103-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) client-ip=147.75.80.249; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=l+YoCeyD; spf=pass (google.com: domain of linux-kernel+bounces-12103-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) smtp.mailfrom="linux-kernel+bounces-12103-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.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 am.mirrors.kernel.org (Postfix) with ESMTPS id DB7E11F2269D for ; Wed, 27 Dec 2023 16:08:53 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 9640045C04; Wed, 27 Dec 2023 16:08:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="l+YoCeyD" X-Original-To: linux-kernel@vger.kernel.org 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 B38A045BE5; Wed, 27 Dec 2023 16:08:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8E08CC433C8; Wed, 27 Dec 2023 16:08:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1703693323; bh=9Y0t3qM0CiKNnTNgmCiJ2aCtE43VwSqrIgKnrDg5B6g=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=l+YoCeyDHZB2A4G4sux9yhTIj6acx31IkXDb24gN7cMoT6cQSk2l3r6jnzlF0+zuW WywVfk60bB/XNZcjum1jgeNjGKs+Dousj7RIHdbIZkV5hcXlVuNVBD/GVXip889MMt sv/0yVsLls+D4Vf8SnJWOQ2NKffvup+xghIhlCCo= Date: Wed, 27 Dec 2023 16:08:40 +0000 From: Greg KH To: Youngmin Nam Cc: rafael@kernel.org, len.brown@intel.com, pavel@ucw.cz, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, d7271.choe@samsung.com, janghyuck.kim@samsung.com, hyesoo.yu@samsung.com Subject: Re: [BUG] mutex deadlock of dpm_resume() in low memory situation Message-ID: <2023122701-mortify-deed-4e66@gregkh> References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Wed, Dec 27, 2023 at 05:42:50PM +0900, Youngmin Nam wrote: > Could you look into this issue ? Can you submit a patch that resolves the issue for you, as you have a way to actually test this out? That would be the quickest way to get it resolved, and to help confirm that this is even an issue at all. thanks, greg k-h