NANDblaster failing

Sridhar Dhanapalan sridhar at
Fri Feb 11 01:59:23 EST 2011

On 11 February 2011 16:58, Sridhar Dhanapalan <sridhar at> wrote:
> On 11 February 2011 16:31, Chris Ball <cjb at> 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.

It's just ticked over into pass 4. The other XO would fail before even
pass 1 was complete. I think we have our answer.


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