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 5590D14A0AD; Sat, 22 Jun 2024 11:25:36 +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=1719055536; cv=none; b=IctOnz6h7jjir9Ooes2JjXxrwya7vzyxhjM7RXNqIPrIM9B/BF03rOZ2plJHSJn/VPUcfBnRQ5QfaHja/6pm/ovx6DNc1etIw8tqDPnf7S0yQcXD2JCmAsRNvy1zQWfYBdJtVVUzprImmWQGFvWiTL6JXoOGOfphfGKsnkJOoZY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719055536; c=relaxed/simple; bh=GPT/1XPLpKB4VBYT5uBKjq0mIBQxVbyimoECNzXCIoU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=MnMJ3or0+m2U0rK+Bf1TJEQvAt/Bm4N4/0LqXxHeNNOyQwnX5fExY/R/FY7lFCpYWhjBQ7BcNtuH+xUf0xGHHj/RGG0n5EIk+cBeWX3ZzXepQDa7hbyrU2jcVgdVC83AyjE7JCDl/ny8brict+nnWC0qFnfyyrhHHZKFyhkhLEM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lD5dOve+; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="lD5dOve+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 68CD9C3277B; Sat, 22 Jun 2024 11:25:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1719055535; bh=GPT/1XPLpKB4VBYT5uBKjq0mIBQxVbyimoECNzXCIoU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=lD5dOve+oE0ytmDKM58eSpn8ka1uH3p36wgKghcYko9h5ZEI4YIo2rIzd8QQtvZ9L HDEl83z2Id8E8QFGFIdJ/FrW1lt8E0OKdSBucTASK64ilhET/UXDmsmbWdNv/nAHL8 wO9rH/7b6EFB9wKRrM51oKmM8bOR7xfNj8+fFVuCn48zNtvdT9cUhsdbSZEd7QR9qC QsQBu7ikt2yV0tfGLNH9gMEF5OmktyznFK09BRbBI0Ucb/px75F+Am4AEi+zFetDaA kYK1i4APg3yU+UmCiVr1EtzV0m868Y/GVEt3dmVAKBtgr1xoxmCe0Tk8zwBZvW8RWr erw+wDg2pvNDw== Date: Sat, 22 Jun 2024 13:25:29 +0200 From: Niklas Cassel To: Yihang Li Cc: Damien Le Moal , James.Bottomley@hansenpartnership.com, martin.petersen@oracle.com, john.g.garry@oracle.com, yanaijie@huawei.com, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linuxarm@huawei.com, chenxiang66@hisilicon.com, prime.zeng@huawei.com Subject: Re: [bug report] scsi: SATA devices missing after FLR is triggered during HBA suspended Message-ID: References: <20240618132900.2731301-1-liyihang9@huawei.com> <0c5e14eb-5560-48cb-9086-6ad9c3970427@kernel.org> 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: Hello Yihang, On Sat, Jun 22, 2024 at 11:31:29AM +0800, Yihang Li wrote: > > The issue 1: > a. Suspend all disks on controller B. > b. Suspend controller B. > c. Trigger the PCI FLR on controller B through sysfs. > d. The SATA disks connected to controller B is disabled by libata layer. While I'm currently not planning on debugging this myself, I'm quite sure that you would facilitate debugging by actually providing the exact commands used in steps a-d. Kind regards, Niklas