[OT] struggles installing builds

Mitch Bradley wmb at laptop.org
Sat Jan 5 04:00:55 EST 2008


I would like to debug these problems.  Find me on IRC - /server 
irc.oftc.net   /join #olpc-devel .   Instances of devices that exhibit 
such problems are valuable for discovering where delays are needed.

If would be nice if devices conformed to the published timing 
requirements, but alas, many do not.  Adding long delays in a lot of 
places "just in case" extends the boot time for the usual case where a 
child is booting from NAND, so there is a tradeoff.


Mikus Grinbergs wrote:
> I now have several SD cards.  OFW will successfully use *one* of 
> them as a source of images.  With the other SD cards, OFW gets 
> "stuck" trying to write to nand from an image on the SD card.
> [My Linux system reads/writes all these SD cards with no problem.]
>
> I now have several USB sticks.  OFW will recognize *one* of them, as 
> a source of images.  With the other USB sticks, OFW doesn't even 
> recognize that they are plugged in.  [My Linux system reads/writes 
> all these sticks with no problem.  If I remember correctly, so does 
> the "regular" OLPC software, once the OLPC is up and running.]
>
>
> I *wish* that the OFW were more tolerant of the (timing?) tolerances 
> of the portable storage devices users might plug in.
>
>
> mikus
>
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