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 C70B019644B; Mon, 23 Sep 2024 13:16:12 +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=1727097372; cv=none; b=F433dkm/92TWFmZe5ZDI1DFQE6/6BHF1VXLzzzgkl9SvfDzpzq2z3oUOyi4sKQmxEyeAl6y0IgnD6dgZQlTobwGnbQq8vG+F28HFjpMTPpCSvOJgImFQvA01RQ8YaTurmIVJHj3jbgyAl7aUm/XKpAiyMmkfmfPfR0OfjuST1ro= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727097372; c=relaxed/simple; bh=KY4Z+q9tIA239UUbBRf0f2Rfkna08HCfCtYkj/W0mos=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=WUpwaAjWGeviPwwyh+cMsQ2R4nU3jmBnu8EFgaEKjoCrymCxCEnmb9PuqYbGJsDRYiMEc4ae+jXjv8lhvCHzqnRcy0F4OQwO02e+8GWeqUteQK65uJW4izH79s7DncfgXKPASPTONnBnjim0IE9M1vpWHzmDbCQeqzmgcY5EKaw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=vcQscEt5; 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="vcQscEt5" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A2006C4CEC4; Mon, 23 Sep 2024 13:16:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1727097372; bh=KY4Z+q9tIA239UUbBRf0f2Rfkna08HCfCtYkj/W0mos=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=vcQscEt5JT2byQlAM/DemY0JgOs2YP1h6NVj8FhGpr/YVV5PBwkvBZ1xKiTvOc6kp 4Way/9vsLT6HRdvMy5N0gtwAkyof8xEGAn+IClJDlO4jBQRYnqvIhCrTcgJ3M5D66K QaS/sRM+66imBikXzpF3JhD+XmPUx45XhK8I3sIY= Date: Mon, 23 Sep 2024 15:16:07 +0200 From: Greg KH To: dengjie03 Cc: rjw@rjwysocki.net, 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 Subject: Re: [PATCH] KYLIN: USB: Fix the issue of S4 wakeup queisce phase where task resumption fails due to USB status Message-ID: <2024092337-epidermal-drainpipe-cf0d@gregkh> References: <20240923100553.119324-1-dengjie03@kylinos.cn> <2024092355-chip-stuffy-bd93@gregkh> 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: <2024092355-chip-stuffy-bd93@gregkh> On Mon, Sep 23, 2024 at 03:06:58PM +0200, Greg KH wrote: > On Mon, Sep 23, 2024 at 06:05:53PM +0800, dengjie03 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, what is the "KYLIN" on the subject line for? thanks greg k-h