Re: MMC timeout issue on 4.6 kernel

[Adrian Hunter <adrian.hunter@intel.com>]

On 04/10/16 15:41, Sai Krishna Potthuri wrote:
> Hi,
> 
>>
>> You should use git bisect to find the failing commit.
> It is failing after many successful runs, issue occurring in regression sometimes after 4 to 5hrs.
> So, it is taking lot of time to test a single commit. Anyway I will do this if I don't have any
> Other option.
>>
>> What driver is it?
> sdhci arasan driver(sdhci-of-arasan.c)

So let's cc some of the people who have worked on it.

>>
>> Does the problem still happen on 4.8? Or stable kernels?
> Tried on 4.7 kernel, didn't see the issue.

What about 4.5 stable? i.e. 4.5.7

> 
> Regards
> Sai Krishna
>>
>>>
>>> Regards
>>> Sai Krishna
>>>
>>>> -----Original Message-----
>>>> From: Sai Krishna Potthuri
>>>> Sent: Saturday, October 01, 2016 1:59 PM
>>>> To: 'linux-mmc@vger.kernel.org' <linux-mmc@vger.kernel.org>
>>>> Cc: 'Ulf Hansson' <ulf.hansson@linaro.org>
>>>> Subject: RE: MMC timeout issue on 4.6 kernel
>>>>
>>>> Hi,
>>>>
>>>> Any help
>>>>
>>>> Regards
>>>> Sai Krishna
>>>>
>>>>> -----Original Message-----
>>>>> From: Sai Krishna Potthuri
>>>>> Sent: Monday, September 26, 2016 10:29 PM
>>>>> To: linux-mmc@vger.kernel.org
>>>>> Cc: Ulf Hansson <ulf.hansson@linaro.org>
>>>>> Subject: MMC timeout issue on 4.6 kernel
>>>>>
>>>>> Hi,
>>>>>
>>>>> With 4.6 kernel, I am doing regression test on SD which does following
>> things.
>>>>> 1. Mount SD card.
>>>>> 2. Read and write random 1MB data.
>>>>> 3. Reboot the board.
>>>>>
>>>>> I am facing following error while reading the data from the SD card.
>>>>>
>>>>> mmc0: Timeout waiting for hardware interrupt.
>>>>> mmcblk0: error -110 transferring data, sector 8194, nr 2, cmd response
>>>>> 0x900, card status 0xb00
>>>>> mmc0: tried to reset card
>>>>> mmc0: Timeout waiting for hardware interrupt.
>>>>> mmcblk0: error -110 transferring data, sector 8194, nr 2, cmd response
>>>>> 0x900, card status 0xb00
>>>>> mmcblk0: retrying using single block read
>>>>> mmc0: Timeout waiting for hardware interrupt.
>>>>> mmcblk0: error -110 transferring data, sector 8194, nr 2, cmd response
>>>>> 0x900, card status 0x0
>>>>> blk_update_request: I/O error, dev mmcblk0, sector 8194
>>>>> mmc0: Timeout waiting for hardware interrupt.
>>>>> mmcblk0: error -110 transferring data, sector 8195, nr 1, cmd response
>>>>> 0x900, card status 0x0
>>>>> blk_update_request: I/O error, dev mmcblk0, sector 8195 EXT2-fs
>>>> (mmcblk0p1):
>>>>> error: unable to read superblock
>>>>> mmc0: Timeout waiting for hardware interrupt.
>>>>> mmcblk0: error -110 transferring data, sector 16387, nr 61, cmd
>>>>> response 0x900, card status 0xb00
>>>>> mmc0: tried to reset card
>>>>>
>>>>> Getting this error once in a while in regression test after several runs.
>>>>> I am not seeing this issue with 4.5 kernel.
>>>>> Please let me know if anyone has seen this issue.
>>>>>
>>>>> Regards
>>>>> Sai Krishna
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