Re: 3.5.4.1 on akita - SD/MMC card issue

Richard Purdie wrote:

>On Wed, 2006-03-22 at 00:48 -0600, Jeff wrote:
>  
>
>>I am having trouble getting my 16mb SD card and my 1GB mmcplus card to
>>work. They are all I have, and the zaurus is the only way I can modify
>>them. These cards worked in the original sharp rom, pdaxrom
>>1.1.0beta2, and oz 3.5.3 . I believe they are formatted fat16.
>>
>>When I insert the 1gb mmcplus card, all dmesg says is:
>>mmc0: card has unknown MMCA version 4
>>
>>    
>>
>This error should be fixed in 2.6.16 kernels and the next test release
>will have a 2.6.16 kernel so hopefully that will get fixed.
>
>  
>
>>For the 16mb sd card dmesg says:
>>mmc0: unrecognised SCR structure version 3
>>    
>>
>
>I've never seen an SCR version 3. How old is this card out of interest?
>I suspect this is an old card and the SCR data is totally invalid. I'm
>considering adding a work around to the kernel to ignore these SCR
>problems. I'll know more once I have the results of some tests someone
>is doing for me (all my cards just work which is a mixed blessing).
>  
>
My Kingston .5 Gb card (bought new when I bought the akita, so within 
the last year) produces

mmc0: unrecognised SCR structure version 1

for what it's worth.

/Don


>  
>
>>I guess that means nothing is present.
>>
>>When I try mount /media/card, I get:
>>mount: Mounting /dev/mmcblk0p1 on /media/card failed: No such file or
>>directory
>>
>>After running mknod /dev/mmcblkop1 b 254 1 , I get:
>>mount: Mounting /dev/mmcblk0p1 on /media/card failed: No such device
>>or address
>>    
>>
>
>/dev/mmcblk0p0 will only appear if it successfully reads the card. It
>will automount if created.
>
>  
>
>>What other information can I collect in order to submit a bug report.
>>    
>>
>
>The information from dmesg is good, thanks.
>
>Also of interest is the information
>in /sys/devices/platform/pxa2xx-mci/mmc0:xxxx/. (xxx is some hex
>number). The files of particular interest are scr, csd and cid.
>
>  
>
>>Which mmc driver was used in the akita kernel? Is there a way to
>>change the kernel without flashing from an SD of CF card?
>>    
>>
>
>You can use kexec although this isn't supported/enabled in the 3.5.4.1
>release at present.
>
>Regards,
>
>Richard
>Zaurus 2.6 Kernel Maintainer
>
>
>
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>  
>



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