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Wed, 20 May 2020 20:23:00 +0000 Received: from pps.filterd (aserp3020.oracle.com [127.0.0.1]) by aserp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 04KKJBKv056276; Wed, 20 May 2020 20:20:59 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserp3020.oracle.com with ESMTP id 312t38phk6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 20 May 2020 20:20:59 +0000 Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 04KKKxK4019824; Wed, 20 May 2020 20:20:59 GMT Received: from [192.168.1.12] (/45.3.7.105) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 20 May 2020 13:20:58 -0700 Subject: Re: Question regarding PCI/AER: Enable reporting for ports enumerated after AER driver registration To: "Derrick, Jonathan" , "bhelgaas@google.com" Cc: "linux-pci@vger.kernel.org" , "subhan.mohammed@oracle.com" References: <232b49b5-90cf-8eff-48cb-1bd6ce3a1977@oracle.com> From: Thomas Tai Message-ID: <2c745033-9326-ceff-fe3f-91e4d7de7784@oracle.com> Date: Wed, 20 May 2020 16:20:55 -0400 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9627 signatures=668686 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 spamscore=0 mlxlogscore=999 phishscore=0 mlxscore=0 malwarescore=0 suspectscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2005200161 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9627 signatures=668686 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 lowpriorityscore=0 spamscore=0 mlxlogscore=999 clxscore=1015 priorityscore=1501 cotscore=-2147483648 impostorscore=0 bulkscore=0 adultscore=0 malwarescore=0 phishscore=0 mlxscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2005200161 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On 2020-05-20 4:09 p.m., Derrick, Jonathan wrote: > Hi Thomas, > > On Wed, 2020-05-20 at 15:47 -0400, Thomas Tai wrote: >> Hi Bjorn, >> I have a question regarding "PCI/AER: Enable reporting for ports >> enumerated after AER driver registration" hope that you don't mind >> giving us some hints. >> >> We found the patch mentioned in the following link fixes one of our >> issues where a device's AER was not enable correctly. >> >> https://patchwork.ozlabs.org/project/linux-pci/patch/1536085989-2956-1-git-send-email-jonathan.derrick@intel.com/ >> >> I am wondering that if you are going to upstream the patch? >> >> Thank you, >> Thomas > > I suspect you could be seeing issues due to the firmware-first > dependencies. Your platform could be requiring FFS via HEST which is > affecting Native AER in non-ACPI domains. > > There were some recent commits to converge FFS to _OSC only: > https://marc.info/?l=linux-pci&m=158834532728113&w=2 Hi Jonathan, Thank you very much for your quick response, I will give that a try. Thanks, Thomas > > Could you try Bjorn's latest branch ? > > There is also a DPC set for Native DPC which I will be resending soon: > https://marc.info/?l=linux-pci&m=158835454431698&w=2 > >