SD8686 card sometimes not working

Igor Grinberg grinberg at compulab.co.il
Thu Jan 27 11:30:42 EST 2011


On 01/27/11 11:49, Semkovič Jan wrote:

> Hello
>

Hi,


>  
>
> I encountered problem with SD8686 wifi card. Sometimes the card is not working after boot (approximately one third times). I also tried another HW of the same configuration, but situation was the same. The configuration is:
>
> Hardware:  CM-X300 with ARM procesor XScale
>
> WiFi : Marwell SD8686
>
> Linux distribution: based on ELDK
>
> Kernel: 2.6.26
>

There is a more recent kernel version available from CompuLab on the website.

Also, you can use the mainline Linux kernel as CM-X300 is fully supported by

mainline kernel.


> SD8686 firmware: ver. 8.73
>
>  
>
> Dmesg after boot with non working card is attached. I think the problem is on this line:
>
> mmc1: req failed (CMD5): -110, retrying...
>
> This line is not present in case the card is working after boot. Please can anybody help?
>
>  
>
> Thanks
>
> Jan Semkovic
>
>
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-- 
Regards,
Igor.




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