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 088D8C433EF for ; Fri, 24 Dec 2021 09:02:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352150AbhLXJCi (ORCPT ); Fri, 24 Dec 2021 04:02:38 -0500 Received: from frasgout.his.huawei.com ([185.176.79.56]:4323 "EHLO frasgout.his.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241559AbhLXJCi (ORCPT ); Fri, 24 Dec 2021 04:02:38 -0500 Received: from fraeml744-chm.china.huawei.com (unknown [172.18.147.201]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4JL1DS2G9Nz67PjK; Fri, 24 Dec 2021 16:58:00 +0800 (CST) Received: from lhreml724-chm.china.huawei.com (10.201.108.75) by fraeml744-chm.china.huawei.com (10.206.15.225) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Fri, 24 Dec 2021 10:02:36 +0100 Received: from [10.195.32.200] (10.195.32.200) 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; Fri, 24 Dec 2021 09:02:35 +0000 Subject: Re: [issue report] pm8001 issues (was driver crashes with IOMMU enabled) From: John Garry To: Jinpu Wang , Viswas G , Ajish Koshy CC: "linux-scsi@vger.kernel.org" , "vishakhavc@google.com" , , References: <894f766f-74b7-62b1-f6d2-82ac85b6478f@huawei.com> <00505633-c8c0-8213-8909-482bf43661cd@huawei.com> Message-ID: <1cc92b2d-3670-7843-d68a-06fe68521d24@huawei.com> Date: Fri, 24 Dec 2021 09:02:33 +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: <00505633-c8c0-8213-8909-482bf43661cd@huawei.com> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.195.32.200] X-ClientProxiedBy: lhreml729-chm.china.huawei.com (10.201.108.80) 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 + some recent contributors Hi microchip guys, Do you have any idea on the 2x outstanding issues I reported for the pm8001 driver: a. my arm system goes into a continuous cycle of SCSI error handling for this scsi host b. maxcpus=1 on commandline crashes during bootup on my arm system - I assume that x86 is same also Thanks, John