[OLPC-AU] NANDblaster failing

Sridhar Dhanapalan sridhar at laptop.org.au
Fri Feb 11 00:58:41 EST 2011


On 11 February 2011 16:31, Chris Ball <cjb at laptop.org> wrote:
> Hi,
>
>   > I am seeing NANDblaster (nb-secure) fail after some time (from my
>   > tests, anywhere between 30 minutes to an hour).
>   >
>   > The text was scrolling very fast (screenshots attached), but I
>   > think it was:
>   >
>   >   SDHCI: Error: ISR = 8000 ESR = 3 Command CRC, Command Timeout,
>
> Try using a different XO for the sender.  It looks like something's up
> with the wifi module, or the SD pins, on that unit.
>
> (It could also be a bug in OFW, but I expect that it's simply
> reporting a CRC error being raised by the SD controller hardware.)

I suspected hardware failure, so I started blasting from another
machine before I sent out my initial note. No problems after 40
minutes, but I'll have to leave it for longer to be confident.

Thanks


More information about the OLPC-AU mailing list