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 D66C4C433EF for ; Mon, 24 Jan 2022 17:41:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244736AbiAXRld (ORCPT ); Mon, 24 Jan 2022 12:41:33 -0500 Received: from mta-mtl-002.bell.net ([209.71.208.12]:53982 "EHLO cmx-mtlrgo001.bell.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S244717AbiAXRld (ORCPT ); Mon, 24 Jan 2022 12:41:33 -0500 X-RG-CM-BuS: 0 X-RG-CM-SC: 0 X-RG-CM: Clean X-Originating-IP: [70.50.7.94] X-RG-Env-Sender: dave.anglin@bell.net X-RG-Rigid: 61E9B8D00048B7E7 X-CM-Envelope: MS4xfOqSpXJzA4xkDmRVTihTSds5lRpE9cld1ls26vs+Rm/TErBKx6Sfvt4bItPgxO/aJkjbezfFmiSfpvGIB1gpLMnPPni3XOO163EvEuDMoIB7SVVNSCBZ QWYi1fVNq4oGWj56Qcut84iNYXNGeeXhlh/uTAwNxY6Hdi4wLN/IDa8xlMLAQrWc20rQGty/Z5rATbtU4skq9w0v6xoOd2YhkWx89CKPfmOpSJWI+QnwgxE3 Z5RLvNd1Ypj5f5+MNdY5j0FO8lwMiZ98Ze9iaj7lhZQ= X-CM-Analysis: v=2.4 cv=eZxew5IH c=1 sm=1 tr=0 ts=61eee4c7 a=9k1bCY7nR7m1ZFzoCuQ56g==:117 a=9k1bCY7nR7m1ZFzoCuQ56g==:17 a=IkcTkHD0fZMA:10 a=FBHGMhGWAAAA:8 a=voySVEkaAysAn6qEEUsA:9 a=QEXdDO2ut3YA:10 a=9gvnlMMaQFpL9xblJ6ne:22 Received: from [192.168.2.49] (70.50.7.94) by cmx-mtlrgo001.bell.net (5.8.716.03) (authenticated as dave.anglin@bell.net) id 61E9B8D00048B7E7; Mon, 24 Jan 2022 12:41:27 -0500 Message-ID: Date: Mon, 24 Jan 2022 12:41:27 -0500 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: pagefaults and hang with 5.15.11 Content-Language: en-US From: John David Anglin To: Rolf Eike Beer , linux-parisc@vger.kernel.org References: <11891682.O9o76ZdvQC@daneel.sf-tec.de> <4372681.LvFx2qVVIh@eto.sf-tec.de> <2615489.mvXUDI8C0e@eto.sf-tec.de> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org On 2022-01-24 12:24 p.m., John David Anglin wrote: > Faulting instruction is "ldw 18(r3),r24".  Address in $r3 (and $r5) seems bad.  Think the sglist argument > to sba_unmap_sg() is bad.  Don't have a clue as to why this might be. Maybe try interchanging operands of following &&         while (sg_dma_len(sglist) && nents--) { so nents is checked first. Dave -- John David Anglin dave.anglin@bell.net