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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED 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 26CD1C4360F for ; Fri, 5 Apr 2019 04:31:05 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id D6C4A21850 for ; Fri, 5 Apr 2019 04:31:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=googlemail.com header.i=@googlemail.com header.b="rcG/Bw3V" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D6C4A21850 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=googlemail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 637FB6B0006; Fri, 5 Apr 2019 00:31:04 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 5E6316B000D; Fri, 5 Apr 2019 00:31:04 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4D5466B000E; Fri, 5 Apr 2019 00:31:04 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from mail-oi1-f200.google.com (mail-oi1-f200.google.com [209.85.167.200]) by kanga.kvack.org (Postfix) with ESMTP id 22E4E6B0006 for ; Fri, 5 Apr 2019 00:31:04 -0400 (EDT) Received: by mail-oi1-f200.google.com with SMTP id c21so2221103oig.20 for ; Thu, 04 Apr 2019 21:31:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:dkim-signature:mime-version:references :in-reply-to:from:date:message-id:subject:to:cc; bh=+7lBtA8vKkwjwj7PTowhExzIEuTQG9ZRxuYeTf2eq3c=; b=LB6R3CgZN/xNQTymCcL03UCaofo6C1E6WBetOhOcEg7duLUXOtqYOavM5z/5eN3aTo NjFO9/dNNnLcGzbDL/PzYkQv0t7sMFPsPFUucBclSjZMQr3pzD7zVnYUVneYV1mOJK9q wyBVzBmueZthfiYyuXs9LwOUqOb0Y+1TJUkovs4vI/a8b7h/5Vq9wDBltwgf9GpGzi2Y Fi+CFLgF+KZ56wYRidrLR8WK0+vXX9zco15QWt4Zu+UkCGi5rjpN4dOwY1fGPUtUGig4 BvapMulIey1tGVlMv40K4AlSm7Og0mI51PnTbyhEbdAxVcHYDhfRockvY/6b4rUMdl4J bp9Q== X-Gm-Message-State: APjAAAX1MEna8U8S1EuY+K6c+7j2BD8Qs8p72dchLmHEIvuaeYsBiHOM 3OnJZCA5Zbh97ful7UvFtnfgObSmA9DEwQhYnZeXa50C+QzVxl3WOMyLUqTRQqkMTqecY3OJLkk CgctvyzsGfW/Zb/6PAcUps7InMQaAIMWIMJdp1q9Y2MmlPEnbxewai5AQae/no+kWgg== X-Received: by 2002:a9d:7088:: with SMTP id l8mr7227924otj.312.1554438663808; Thu, 04 Apr 2019 21:31:03 -0700 (PDT) X-Received: by 2002:a9d:7088:: with SMTP id l8mr7227881otj.312.1554438663101; Thu, 04 Apr 2019 21:31:03 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1554438663; cv=none; d=google.com; s=arc-20160816; b=RVuUiVnQySoMmTxTRtIad47iwABNbGiw//FuS8iLRoyVEz48oI8wtfFi4TsmRDjoYR hHI0/yAnQEmIRMg/dQo3PvhDP+f6WZvBPrzjaceOCfIvfjQF+Ezkyjl2EDOKoxYeUcLQ 3bnQXy+fLbwrkE/IHLck+3r0/V5LVI64Pr8LDxPpnZwMaOqgBwWUC9PaGil43GYZespI 8BSxPm5QTeERg/ffo6yPPidFbisXgysl27Etgpz0uQNlkfmknMSNjPQbkcDLR3Uzt/NQ JwbPqDpavsTBjEGJmCpKZxudCI3zeXCvvilj+hdCgGIlt27jqaujCA8F+HPThJhnSgi/ DeJQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:dkim-signature; bh=+7lBtA8vKkwjwj7PTowhExzIEuTQG9ZRxuYeTf2eq3c=; b=fyr6wK9eMv5Eykq1sCNECsFHtXYiy0xjsFyvQjJHyihQBg6a+LhUKL8wcq1P5R/U6i mwqgAAlMCiL5mQFtntMbA6m6kl72AHxfpJUIDUMA9vu9R6WxIOphGhIv4eU/m/tg7qos x1aiYPuJzvLC0bdz5/dVDWIxlKCTYOxcMcb5aQyl0wQB8a8W7Hynif+buFvFlVcGdUMz azX2r+eOza9REJyr7qNEfDvKlAG17RaCnDnN+HPh6gx4FOai2yNQNYxyP0jgnfwAymu6 4td3aof6O4psq1r6qvXeTc/2RyYbl72fyRT2T4LykZOLQGPAvy+K38p6GXYHyAmOgF62 8g6w== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@googlemail.com header.s=20161025 header.b="rcG/Bw3V"; spf=pass (google.com: domain of martin.blumenstingl@googlemail.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=martin.blumenstingl@googlemail.com; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=googlemail.com Received: from mail-sor-f65.google.com (mail-sor-f65.google.com. [209.85.220.65]) by mx.google.com with SMTPS id r21sor13365594otk.151.2019.04.04.21.31.03 for (Google Transport Security); Thu, 04 Apr 2019 21:31:03 -0700 (PDT) Received-SPF: pass (google.com: domain of martin.blumenstingl@googlemail.com designates 209.85.220.65 as permitted sender) client-ip=209.85.220.65; Authentication-Results: mx.google.com; dkim=pass header.i=@googlemail.com header.s=20161025 header.b="rcG/Bw3V"; spf=pass (google.com: domain of martin.blumenstingl@googlemail.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=martin.blumenstingl@googlemail.com; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=googlemail.com 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-Smtp-Source: APXvYqwxFoWU7xp487Ebvt3wzo5VYHnSYc2CvTe5RZAI/ctb22VitfNeaCIFtIGcIC9xMiHlKjZ8oQ+fxNcB9ZMAh5k= 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" X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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