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 X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 776A8C43381 for ; Fri, 29 Mar 2019 07:43:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 42E552173C for ; Fri, 29 Mar 2019 07:43:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728967AbfC2HnY (ORCPT ); Fri, 29 Mar 2019 03:43:24 -0400 Received: from mail-sz.amlogic.com ([211.162.65.117]:44432 "EHLO mail-sz.amlogic.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728887AbfC2HnX (ORCPT ); Fri, 29 Mar 2019 03:43:23 -0400 Received: from [10.28.18.125] (10.28.18.125) by mail-sz.amlogic.com (10.28.11.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1591.10; Fri, 29 Mar 2019 15:44:30 +0800 Subject: Re: 32-bit Amlogic (ARM) SoC: kernel BUG in kfree() To: Martin Blumenstingl CC: Matthew Wilcox , , , , , , , , , References: <20190321214401.GC19508@bombadil.infradead.org> <5cad2529-8776-687e-58d0-4fb9e2ec59b1@amlogic.com> <32799846-b8f0-758f-32eb-a9ce435e0b79@amlogic.com> From: Liang Yang Message-ID: <79b81748-8508-414f-c08a-c99cb4ae4b2a@amlogic.com> Date: Fri, 29 Mar 2019 15:44:30 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:60.0) Gecko/20100101 Thunderbird/60.6.0 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-Originating-IP: [10.28.18.125] X-ClientProxiedBy: mail-sz.amlogic.com (10.28.11.5) To mail-sz.amlogic.com (10.28.11.5) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Martin, On 2019/3/29 2:03, Martin Blumenstingl wrote: > Hi Liang, [......] >> I don't think it is caused by a different NAND type, but i have followed >> the some test on my GXL platform. we can see the result from the >> attachment. By the way, i don't find any information about this on meson >> NFC datasheet, so i will ask our VLSI. >> Martin, May you reproduce it with the new patch on meson8b platform ? I >> need a more clear and easier compared log like gxl.txt. Thanks. > your gxl.txt is great, finally I can also compare my own results with > something that works for you! > in my results (see attachment) the "DATA_IN [256 B, force 8-bit]" > instructions result in a different info buffer output. > does this make any sense to you? > I have asked our VLSI designer for explanation or simulation result by an e-mail. Thanks.