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[209.132.180.67]) by mx.google.com with ESMTP id n66si18332958pfb.62.2019.04.04.21.32.26; Thu, 04 Apr 2019 21:32:44 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@googlemail.com header.s=20161025 header.b="rcG/Bw3V"; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=googlemail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726666AbfDEEbG (ORCPT + 99 others); Fri, 5 Apr 2019 00:31:06 -0400 Received: from mail-ot1-f67.google.com ([209.85.210.67]:35766 "EHLO mail-ot1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725955AbfDEEbD (ORCPT ); Fri, 5 Apr 2019 00:31:03 -0400 Received: by mail-ot1-f67.google.com with SMTP id m10so4487438otp.2 for ; Thu, 04 Apr 2019 21:31:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=+7lBtA8vKkwjwj7PTowhExzIEuTQG9ZRxuYeTf2eq3c=; b=rcG/Bw3Vg4FKUUKeWMIhWWl+Dot5HReKA20TPVY5QGg0EZEWRVdHuNhLlde7bDr2LC 4BLBBvJSbBRGJmPDGv/B6B0rJypBhrdF5rRlIxvZXGI6AyaQV/QvN2X9FZAL4uqIxvFF miIIBZxbDgDNVzJ/lGJ/EBoek9bgSj4A1HSOtmQfmLnXEmanh30ShC/bY2ZcyriSLwpm HJ17qsUzqkpKAVjuE32VzvhlvR+54/yQxLNHib6tk3DOBIMIqtcnyY2m1gL/JdQOi1/R QxeG6Bf9FzsGG4r4TRGLWd5iqlCDZx90ws5uYaxpFB3/w+torG7AzrLAig+aSkflXOjg WPOQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=+7lBtA8vKkwjwj7PTowhExzIEuTQG9ZRxuYeTf2eq3c=; b=irUitlZmGCzZhVa7VfqI13JB0Mg6kQJ90aWGSzGcTZVLGaqRCsxbWLytsplwir556L rIdWTQMbJ0dGm014Wr5jSXfWiKSVKIGqE0Yapi0oO7qWgOwdojcMR0Tluxwf1IHI6VLS ZTUKydh7x9QzQPMtX9KNxp502Ws8EEd3uXehApjX87hj1BRP4IyhLhMEIwkNpJBg96w9 RwsEXC7sCJ+JLeJlGxa8VpeVOY8bt/04UnIj4nL6yYWotXOGpYt3KZu1jBSHN2kk+eFH Ko7f77e9OVBrsbb+Xd1dQ1itH5JAES8J88hIWCHbIgMVAy/O37SxT7lIZWVHVF0aTHIc Jf6g== X-Gm-Message-State: APjAAAUDDuywraftyF7dRDIwrmZ81o4yjFEQVvTHRIWgvjqlDOUJ+f1J TH/7h+LkDSF6Um46HqOnjF2elc156TTN2yIK6ff3Eg== X-Received: by 2002:a9d:7856:: with SMTP id c22mr6972611otm.261.1554438662631; Thu, 04 Apr 2019 21:31:02 -0700 (PDT) MIME-Version: 1.0 References: <20190321214401.GC19508@bombadil.infradead.org> <5cad2529-8776-687e-58d0-4fb9e2ec59b1@amlogic.com> <32799846-b8f0-758f-32eb-a9ce435e0b79@amlogic.com> <79b81748-8508-414f-c08a-c99cb4ae4b2a@amlogic.com> In-Reply-To: <79b81748-8508-414f-c08a-c99cb4ae4b2a@amlogic.com> From: Martin Blumenstingl Date: Fri, 5 Apr 2019 06:30:51 +0200 Message-ID: Subject: Re: 32-bit Amlogic (ARM) SoC: kernel BUG in kfree() To: Liang Yang Cc: Matthew Wilcox , mhocko@suse.com, linux@armlinux.org.uk, linux-kernel@vger.kernel.org, rppt@linux.ibm.com, linux-mm@kvack.org, linux-mtd@lists.infradead.org, linux-amlogic@lists.infradead.org, akpm@linux-foundation.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Liang, On Fri, Mar 29, 2019 at 8:44 AM Liang Yang wrote: > > 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. do you have any update on this? Martin