From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 72DB9C433FE for ; Thu, 13 Jan 2022 14:18:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235624AbiAMOSV (ORCPT ); Thu, 13 Jan 2022 09:18:21 -0500 Received: from frasgout.his.huawei.com ([185.176.79.56]:4411 "EHLO frasgout.his.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231591AbiAMOSU (ORCPT ); Thu, 13 Jan 2022 09:18:20 -0500 Received: from fraeml707-chm.china.huawei.com (unknown [172.18.147.200]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4JZRNj1FkQz67wr8; Thu, 13 Jan 2022 22:18:13 +0800 (CST) Received: from lhreml724-chm.china.huawei.com (10.201.108.75) by fraeml707-chm.china.huawei.com (10.206.15.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Thu, 13 Jan 2022 15:18:18 +0100 Received: from [10.47.88.157] (10.47.88.157) by lhreml724-chm.china.huawei.com (10.201.108.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Thu, 13 Jan 2022 14:18:17 +0000 Subject: Re: [issue report] pm8001 issues (was driver crashes with IOMMU enabled) To: , , CC: , , , , , References: <894f766f-74b7-62b1-f6d2-82ac85b6478f@huawei.com> <00505633-c8c0-8213-8909-482bf43661cd@huawei.com> <1cc92b2d-3670-7843-d68a-06fe68521d24@huawei.com> <0cc0c435-b4f2-9c76-258d-865ba50a29dd@huawei.com> <34319d65-104d-55a0-175d-96cf3f0aea89@huawei.com> <75d042c1-cee5-ce91-e1cb-9e2b7bb1ce72@huawei.com> From: John Garry Message-ID: <05bec388-946d-057d-20d7-67ebe5f2cfdf@huawei.com> Date: Thu, 13 Jan 2022 14:17:53 +0000 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.12.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-Originating-IP: [10.47.88.157] X-ClientProxiedBy: lhreml714-chm.china.huawei.com (10.201.108.65) To lhreml724-chm.china.huawei.com (10.201.108.75) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org On 13/01/2022 12:52, Ajish.Koshy@microchip.com wrote: Hi Ajish, >> From an earlier mail [0] I got the impression that you tested on an arm >> platform – did you? > Yes, with respect to my previous mail update, at that time got the chance to > load the driver on ARM server/enclosure connected in one of our tester's > arm server after attaching the controller card. > There this error handling issue was observed. > > The card/driver was never tested or validated on ARM server before, > was curious to see the behavior for the first time. Whereas driver > loads smoothly on x86 server. > > Currently busy with some other issues, debugging on ARM server is not > planned for now. > OK, since you do see this same/similar issue with another card on arm then I think that it is safe to assume that it is a driver issue. If you can share the dmesg on the arm machine then at least that would be helpful. Thanks, John