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=-0.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no 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 DCAE1C10F27 for ; Tue, 10 Mar 2020 15:22:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B325021D56 for ; Tue, 10 Mar 2020 15:22:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=walle.cc header.i=@walle.cc header.b="DeiZr5VH" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727666AbgCJPW2 (ORCPT ); Tue, 10 Mar 2020 11:22:28 -0400 Received: from ssl.serverraum.org ([176.9.125.105]:46829 "EHLO ssl.serverraum.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726389AbgCJPW2 (ORCPT ); Tue, 10 Mar 2020 11:22:28 -0400 Received: from ssl.serverraum.org (web.serverraum.org [172.16.0.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ssl.serverraum.org (Postfix) with ESMTPSA id 5324C23ECA; Tue, 10 Mar 2020 16:22:26 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=walle.cc; s=mail2016061301; t=1583853746; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=RdGYE+O0ALkRkOb+rA9Tz98qgHCKJH6tSFvrz+uxT1o=; b=DeiZr5VHKXR89WablI3UrMJKuQkPOBdGfFkzXtV9tbBQ/NoMoxhedHVvbVfcYEu4jv4AFo g4cA4bYD7TwwaWBH6f49Kl3dLswWVOOiwVrF15Nbwi5mZmag/iYXdrHjIMlgCfyjblInP3 qBjFT8LgCcQwpHuCK1BMFJf/45sxsqs= MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Tue, 10 Mar 2020 16:22:26 +0100 From: Michael Walle To: Vladimir Oltean Cc: Mark Brown , linux-spi@vger.kernel.org, lkml , Shawn Guo , Rob Herring , Mark Rutland , devicetree@vger.kernel.org, Esben Haabendal , angelo@sysam.it, andrew.smirnov@gmail.com, "Gustavo A. R. Silva" , Wei Chen , Mohamed Hosny , peng.ma@nxp.com Subject: Re: [PATCH v3 0/7] NXP DSPI bugfixes and support for LS1028A In-Reply-To: References: <20200310125542.5939-1-olteanv@gmail.com> <615284875b709f602d57e4a4621a83c1@walle.cc> Message-ID: <59b07b7d70603c6b536a7354ed0ea8d8@walle.cc> X-Sender: michael@walle.cc User-Agent: Roundcube Webmail/1.3.10 X-Spamd-Bar: + X-Rspamd-Server: web X-Rspamd-Queue-Id: 5324C23ECA X-Spamd-Result: default: False [1.40 / 15.00]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TAGGED_RCPT(0.00)[dt]; MIME_GOOD(-0.10)[text/plain]; DKIM_SIGNED(0.00)[]; RCPT_COUNT_TWELVE(0.00)[15]; NEURAL_HAM(-0.00)[-0.399]; FREEMAIL_TO(0.00)[gmail.com]; RCVD_COUNT_ZERO(0.00)[0]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_CC(0.00)[kernel.org,vger.kernel.org,arm.com,deif.com,sysam.it,gmail.com,embeddedor.com,nvidia.com,nxp.com]; MID_RHS_MATCH_FROM(0.00)[]; SUSPICIOUS_RECIPS(1.50)[] Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Vladimir, Am 2020-03-10 15:56, schrieb Vladimir Oltean: >> (2) Also, reading the flash, every second time there is (reproducibly) >> an >> IO error: >> >> # hexdump -C /dev/mtd0 >> 00000000 68 75 68 75 0a ff ff ff ff ff ff ff ff ff ff ff >> |huhu............| >> 00000010 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >> |................| >> * >> 01000000 >> # hexdump -C /dev/mtd0 >> 00000000 68 75 68 75 0a ff ff ff ff ff ff ff ff ff ff ff >> |huhu............| >> 00000010 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >> |................| >> * >> hexdump: /dev/mtd0: Input/output error >> 00dc0000 >> # hexdump -C /dev/mtd0 >> 00000000 68 75 68 75 0a ff ff ff ff ff ff ff ff ff ff ff >> |huhu............| >> 00000010 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >> |................| >> * >> 01000000 >> # hexdump -C /dev/mtd0 >> 00000000 68 75 68 75 0a ff ff ff ff ff ff ff ff ff ff ff >> |huhu............| >> 00000010 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >> |................| >> * >> hexdump: /dev/mtd0: Input/output error >> 00e6a000 >> > > Just to be clear, issue 2 is seen only after you abort another > transaction, right? No, just normal uninterrupted reading. Just tried it right after reboot. Doesn't seem to be every second time though, just random which makes me wonder if that is another problem now. Also the last successful reading is random. buildroot login: root # hexdump -C /dev/mtd0 00000000 31 32 33 34 35 ff ff ff ff ff ff ff ff ff ff ff |12345...........| 00000010 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................| * [ 32.359156] random: crng init done 01000000 # hexdump -C /dev/mtd0 00000000 31 32 33 34 35 ff ff ff ff ff ff ff ff ff ff ff |12345...........| 00000010 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................| * 01000000 # hexdump -C /dev/mtd0 00000000 31 32 33 34 35 ff ff ff ff ff ff ff ff ff ff ff |12345...........| 00000010 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................| * hexdump: /dev/mtd0: Input/output error 00166000 # hexdump -C /dev/mtd0 00000000 31 32 33 34 35 ff ff ff ff ff ff ff ff ff ff ff |12345...........| 00000010 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................| * hexdump: /dev/mtd0: Input/output error 00c68000 # hexdump -C /dev/mtd0 00000000 31 32 33 34 35 ff ff ff ff ff ff ff ff ff ff ff |12345...........| 00000010 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................| * hexdump: /dev/mtd0: Input/output error 00243000 # -michael