Re: sdmmc / mvsdio and SDHC

[Petri Laakso <petri.laakso%asd.fi@localhost>]

On Sun, 21 Oct 2012 15:12:22 +0200
Sébastien Bocahu <lists%zecrazytux.net@localhost> wrote:

> Hello,

Hello!

> mvsdio0: CRC Error (0x4000)
> ld0a: error writing fsbn 7905408 of 7905408-7905439 (ld0 bn 7979136; cn 3896 
> tn 4 sn 0)
> ld0a: error writing fsbn 4108352 of 4108352-4108383 (ld0 bn 4182080; cn 2042 
> tn 2 sn 0)
> ld0a: error writing fsbn 2614432 of 2614432-2614463 (ld0 bn 2688160; cn 1312 
> tn 37 sn 0)
> ld0a: error writing fsbn 2614464 of 2614464-2614495 (ld0 bn 2688192; cn 1312 
> tn 38 sn 0)
> ld0a: error writing fsbn 3361664 of 3361664-3361695 (ld0 bn 3435392; cn 1677 
> tn 28 sn 0)
> ...
> and finally I/O error.
> 
> (with debug options: ld0: error 60)

Maybe 60 stands for how many times system tried to read and finally gave up.


> Does anybody have a clue ? The card is working like a charm in a USB card 
> reader.

Not a clue, but just quessing.
Maybe the USB reader doesn't care about checking CRC errors?
SD/MMC driver on the otherhand most likely will catch these.

Petri