mmc1 timeout issue with rpi3

Sergey Suloev ssuloev at orpaltech.com
Thu Jan 18 04:55:59 PST 2018


Hi, Stefan

On 01/18/2018 10:03 AM, Stefan Wahren wrote:
> Hi Sergey,
>
>> Sergey Suloev <ssuloev at orpaltech.com> hat am 17. Januar 2018 um 21:04 geschrieben:
>>
>>
>> Hi Stefan,
>>
>> On 01/17/2018 10:32 PM, Stefan Wahren wrote:
>>> Hi Sergey,
>>>
>>>> Sergey Suloev <ssuloev at orpaltech.com> hat am 17. Januar 2018 um 19:49 geschrieben:
>>>>
>>>>
>>>> Hi Stefan
>>>>
>>>> wifi network was working fine when I used a raspbian image downloaded
>>>> from official site.
>>>>
>>>> Here is my config https://pastebin.com/7XRpmM0X  and cpuinfo
>>>> https://pastebin.com/08Z6gDZ9
>>>>
>>>> I have no idea about version you are talking about.
>>> please stop top-posting.
>>>
>>> I was talking about the board revision of your RPi. You can get this information by looking at the PCB.
>>>
>>> I updated to the last firmware and your config but i'm unable to reproduce this issue.
>>>
>>> Do you use U-Boot or only the Raspberry Pi bootloader?
>>> What are your modifications to config.txt?
>>>
>>>> Thanks.
>>>>
>>>>
>> I am using u-boot tagged 2018.01.
> interesting. I don't use u-boot as second stage bootloader. Maybe it messed up the pin configuration of the GPIO expander. Could you please try without u-boot?

but how can u-boot influence that ? As far as I understand the error 
happens in a very late boot stage, actually in the end. At this time 
bcm2837-rpi-3-b device tree file from kernel is already loaded. Do you 
think this DTB is incorrect ?

Thanks





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