From mboxrd@z Thu Jan 1 00:00:00 1970 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 B3D0213D508; Wed, 25 Sep 2024 06:40:47 +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=1727246447; cv=none; b=UvFienfG3iotsNLpXKXNOUE8fplPMW071Xe0HcUC0ulUkaxwrp2plH3KRZONTlp+eUVU46Qe5vdf9ikQzHSB1xFOT0C5MWFmDWMWYp3Wp0nl/8aVA3/swfsPjZex6A2q8SAlQAlEMlOhTfZxUsbUKNp08LZZ3oKuufLGDS+dVXA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727246447; c=relaxed/simple; bh=iQIKQE0vVaTKBuk81h3G63n44CCBRTztZtJQG/783gQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=goUyYmZ/uRN4D8pb6sJd5fQLpN58Ip9l0YVMQj9qCZBFSxRwLlahyH/5/CzPIff0TmvU4i29ZwEPvpALfy673tvhfTNZwSnsgEdWKVv3wYN0niLgoa/yy+vi/JebBz9R92StQDXEbOMSjCqf1neeSky7cZ3AID3oaV3KVwhYWtI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=17CTynks; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="17CTynks" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D6C60C4CEC3; Wed, 25 Sep 2024 06:40:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1727246447; bh=iQIKQE0vVaTKBuk81h3G63n44CCBRTztZtJQG/783gQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=17CTynksmIsiMrPWPJxhIuVCIdEYBxIp098B6xF3coopY6gKNjTGS8udO2SZqIB0u LcH7gHZLz/3VZXnTqw2cN1uV7/KsApHroiPkviXEyvVLw4EmtOu0y9oM5iPPu+qASv o4ek3B1ANg/9J54zZWyo9ZANtbCFP9O9reu+ruRY= Date: Wed, 25 Sep 2024 08:40:44 +0200 From: Greg KH To: dengjie Cc: rafael@kernel.org, pavel@ucw.cz, len.brown@intel.com, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, xiehongyu1@kylinos.cn, duanchenghao@kylinos.cn, xiongxin@kylinos.cn Subject: Re: [PATCH v2] USB: Fix the issue of S4 wakeup queisce phase where task resumption fails due to USB status Message-ID: <2024092513-stout-subsidize-0c71@gregkh> References: <20240923100553.119324-1-dengjie03@kylinos.cn> <20240925025041.149206-1-dengjie03@kylinos.cn> 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: <20240925025041.149206-1-dengjie03@kylinos.cn> On Wed, Sep 25, 2024 at 10:50:41AM +0800, dengjie wrote: > Reproduction of the problem: During the S4 stress test, when a USB device is inserted or > removed, there is a probability that the S4 wakeup will turn into a reboot.The following > two points describe how to analyze and locate the problem points: Also please wrap your paragraphs at a much narrower line length like 72 or 75 characters or so. thanks, greg k-h