Error with SanDisk Ultra II

s.boutayeb at s.boutayeb at
Tue Oct 28 04:02:03 EDT 2008

thank you Mitch for your help!

I managed to boot the SD card!

Best regards


> s.boutayeb at wrote:

>> When booting the XO (i tested 2 XO's) with build Q2E19 and Q2E20, I have
>> following message:
>> Boot device: /sd/disk:\boot\olpc.fth Arguments:
>> <buffer at ffb68ec0>:2: Can't find word to replace
>> BTW, the SD card is fully functional with Qemu and the fedora distro is
>> My guess is that this error has to do with the storage media. Does anyone had
>> this error?

> That message is coming from a patch that works around a bug in Q2E18.
> The bug was fixed in Q2E19, and as a result, the patch no longer applies.

> You can just remove the patch code from /boot/olpc.fth .  The complete
> patch code is as follows; you can remove it all:

> patch 2drop erase claim-params
> : high-ramdisk  ( -- )
>   cv-load-ramdisk
>   h# 22c +lp l@ 1+   memory-limit  umin  /ramdisk -  ( new-ramdisk-adr )
>   ramdisk-adr over  /ramdisk move                    ( new-ramdisk-adr )
>   to ramdisk-adr
> ;
> ' high-ramdisk to load-ramdisk

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