XO: SDHCI: Card didn't power up after 1 second

Jon Stanley jonstanley at gmail.com
Sat Nov 15 03:11:29 UTC 2008


On Wed, Nov 12, 2008 at 11:02 AM, Jon Stanley <jonstanley at gmail.com> wrote:

> Does 'test /pci/sd' several times work for you as well? I do it til it
> succeeds about 10 times in a row, then type boot, and then it works
> fine.  Question is, I'm not sure how/where to report these results, it
> seems as though this is a definite firmware issue (possibly with a
> subset of cards) and not any of the cards in question (since the same
> results now are happening for four people - me, you, John Rose ,and
> Brian Powell.  Interestingly, John and Brian work fine with 4GB cards,
> just when they went to 8GB cards they ran into this.  You and I see it
> with 4GB cards too).

And another update. I reported this to the OLPC folks as
http://dev.laptop.org/ticket/8987.  After a marathon 5 hour debug
session with Mitch Bradley, learning more about the Forth debugger
than I ever wanted to know, we have a fix that will show up in
firmware Q2E23.




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