From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stefan Wahren <stefan.wahren@i2se.com>
Subject: Re: [PATCH 1/2] mmc: bcm2835: reset host on timeout
Date: Wed, 14 Feb 2018 17:49:31 +0100
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To: =?UTF-8?Q?Michal_Such=c3=a1nek?= <msuchanek@suse.de>, Phil Elwell <phil@raspberrypi.org>
Cc: Ulf Hansson <ulf.hansson@linaro.org>, Florian Fainelli <f.fainelli@gmail.com>, Ray Jui <rjui@broadcom.com>, Scott Branden <sbranden@broadcom.com>, bcm-kernel-feedback-list@broadcom.com, Eric Anholt <eric@anholt.net>, Gerd Hoffmann <kraxel@redhat.com>, "Gustavo A. R. Silva" <garsilva@embeddedor.com>, Julia Lawall <Julia.Lawall@lip6.fr>, linux-mmc@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
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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 <msuchanek@suse.de> wrote:
>
>> On Wed, 14 Feb 2018 15:58:31 +0100
>> Stefan Wahren <stefan.wahren@i2se.com> 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