From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1032949AbeBNQuQ (ORCPT ); Wed, 14 Feb 2018 11:50:16 -0500 Received: from mout.kundenserver.de ([212.227.17.10]:60081 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1032744AbeBNQuO (ORCPT ); Wed, 14 Feb 2018 11:50:14 -0500 Subject: Re: [PATCH 1/2] mmc: bcm2835: reset host on timeout To: =?UTF-8?Q?Michal_Such=c3=a1nek?= , Phil Elwell Cc: Ulf Hansson , Florian Fainelli , Ray Jui , Scott Branden , bcm-kernel-feedback-list@broadcom.com, Eric Anholt , Gerd Hoffmann , "Gustavo A. R. Silva" , Julia Lawall , linux-mmc@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <97593d6e1a41af1baff61f7d9e6e68a450fc9da6.1518619058.git.msuchanek@suse.de> <1fbf0d77-cb53-f0fa-b810-e9954138d907@i2se.com> <20180214163649.3a0c9476@kitsune.suse.cz> <20180214165827.386b9bb1@kitsune.suse.cz> From: Stefan Wahren Message-ID: Date: Wed, 14 Feb 2018 17:49:31 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 In-Reply-To: <20180214165827.386b9bb1@kitsune.suse.cz> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Content-Language: de-DE X-Provags-ID: V03:K0:1SNnkUfpNy8gwEkul6piSPrwR/y/AhX/jwLNNnDhzXqGDbSKZPP BJckO18oQwNr5vRoybcgdQCcLz0xtUHawvZdIiCPjfW6MtpIYVWktvX/skRPLCqUeWJnx9R oTX/KnOMfoBG9TTCQjkpGKpQMGqUr5bSXImUhuo82/kOXCFXdk/pcPJRYEyzfpHs2XZg3/c QoQ8zKJbj6WcZbdxytH6A== X-UI-Out-Filterresults: notjunk:1;V01:K0:iCL04rxiy80=:0cKaYax9pSqcoOHFCFtjNh KKJbDTlGumCuTnAl50A+MEAvuPOTP2R47QDPORRwom3s3wf5rgef7ReD09OsD/x2L9rvzHEdg IoYZlxR87KY6jDz+fwIvBsal77hx+YaF7qgv2hfMxJc1wP4w55PduIoZv4BM9h0D+b0T6DbS8 kFg1k5BWejGGWUPFF1z4cuHD5FXbRvZxp5h0BkQfztlmAYwNoqN46ao863AN3+j5RaBD1or2U 5GxCNAh3THGcVkTM/WD1OyViFYFd3MQK5lQ+ZnCphOpxsvZluFLJxh63h09wOWg14xHZpPJj1 Jd3IRUTIHp39pNa1n52eL5NSviPQgCUZyA/fc5z8pFjYwkAmtYXVpYZPNiNUl1rDTJkevHvXF 0hoIWgkhj3zLoBoxpubpJC0TCv/aEzONQH+yH1/fzxS8SHlcSXbeU/5jzxlXeEKI+JKun6+np 7Fs4qqtzNM4Gm47nzliX+cirOLv71uL7SLEOhWaM1dqNHH7sTZ9qcBCLgboyhy2jMNqOOGW8b ysGPAW5QoYyr6oMFap+R0u9boAuXt2UZFJeint0zdH+tML6B/fHVrnwQSkViU7KMHjzqv2uC/ bZZoVt4dbBDI1kt7mu1K4bx5x7L5ZMHwwoOsnqQTd/TfAtvXGELALMJc6dmXA13IvRFomXV4I nE2s5E4msTzX0Y3gK8p9JQL3Hkun7Ylovzy/pEEBooL75htfGi8okndVRC7QXGIvD0kB2nd9Y t7NMZnH++jVm7993qz7fB42syZ2BaARqT7IUd2ZXvgNAH8FxqtmNUwqLPCo= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Michal, [add Phil] Am 14.02.2018 um 17:13 schrieb Michal Suchánek: > On Wed, 14 Feb 2018 16:36:49 +0100 > Michal Suchánek wrote: > >> On Wed, 14 Feb 2018 15:58:31 +0100 >> Stefan Wahren wrote: >> >>> Hi Michal, >>> >>> Am 14.02.2018 um 15:38 schrieb Michal Suchanek: >>>> The bcm2835 mmc host tends to lock up for unknown reason so reset >>>> it on timeout. The upper mmc block layer tries retransimitting >>>> with single blocks which tends to work out after a long wait. >>>> >>>> This is better than giving up and leaving the machine broken for >>>> no obvious reason. >>> could you please provide more information about this issue (affected >>> hardware, kernel config, version, dmesg, reproducible scenario)? >>> > It tends to reproduce when upgrading a few packages with zypper and > otherwise at random during system operation. It seems that for my card > it worsens with age to some degree so perhaps it depends on the > fragmentation of the internal card flash. > > Attaching dmesg and kernel config. do you noticed this issue before 4.15-rc4? Could you please test with 4.15 final again? What kind of SD card (name) triggers the issue? Thanks Stefan > > Thanks > > Michal