linux-kernel - Re: [PATCH 1/2] mmc: bcm2835: reset host on timeout

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Message-ID: <20180306202106.0abd51ca@kitsune.suse.cz>
Date:   Tue, 6 Mar 2018 20:21:06 +0100
From:   Michal Suchánek <msuchanek@...e.de>
To:     Stefan Wahren <stefan.wahren@...e.com>
Cc:     Eric Anholt <eric@...olt.net>,
        bcm-kernel-feedback-list@...adcom.com,
        linux-kernel@...r.kernel.org, Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        linux-rpi-kernel@...ts.infradead.org,
        Phil Elwell <phil@...pberrypi.org>,
        Gerd Hoffmann <kraxel@...hat.com>, linux-mmc@...r.kernel.org,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Julia Lawall <Julia.Lawall@...6.fr>,
        "Gustavo A. R. Silva" <garsilva@...eddedor.com>,
        linux-arm-kernel@...ts.infradead.org,
        Stefan Schake <stschake@...il.com>
Subject: Re: [PATCH 1/2] mmc: bcm2835: reset host on timeout

Hello,

On Sat, 3 Mar 2018 14:58:45 +0100 (CET)
Stefan Wahren <stefan.wahren@...e.com> wrote:

> Hi Michal,
> 

> yesterday i finished my stress tests with Raspberry Pi 3.
> 
> Scenario:
> - copy Tumbleweed on SD card
> (openSUSE-Tumbleweed-ARM-JeOS-raspberrypi3.aarch64-2018.02.02-Build1.2.raw,
> Linux 4.14.15)
> - setup locales with yast
> - run zypper update
> - reboot
> - install and remove java 1.8 in a loop for at least 1 hour
> 
> Results of the different SD cards:
> Toshiba uSDHC Class 10 UHS-1 32 GB: PASS
> BASETech uSDHC Class 10 16 GB: PASS
> Samsung uSDHC EVO+ UHS-1 16 GB: PASS
> Samsung uSDHC Class 6 32 GB: PASS
> SanDisk Edge Class 4 16 GB: PASS
> Kingston uSDHC Class 10 UHS-1 32 GB: PASS
> QUMOX uSDHC Class 10 UHS-1 16 GB: FAIL (zypper segfaulted
> permantently) Transcend uSDHC Class 10 UHS-1 32 GB: PASS
> 
> I was never able to reproduce this timeout. 

For the record I was not able to reproduce the issue installing and
removing openjdk-1.7.0 in a loop for an hour on Leap 42.3 system which
is affected by the issue. This was a loop of repeatedly installing and
removing four packages and was executed 68 times. I enabled zypper
package caching to avoid spending time in download.

Thanks

Michal