YEA! I'm finally up and running!!! I can dd SD file systems all day.
It turns out that I have a fairly early board. I needed to send both by 7400
and 9441 back to Technologic to be re-flashed, they also replaced a transistor.
The last part of the fix was to use a different SD card driver in the fast boot
shell:
ftp://ftp.embeddedarm.com/ts-arm-sbc/ts-7200-linux/binaries/ts-modules/sdcard-sdhc.o
ln -s sdcard-sdhc.o sdcard.o
The people at Technologic were awesome. They spent a lot of time helping me
track this down.
len
--- In "ka7ftp" <> wrote:
>
> Hi,
>
> I have a working TS-7400 using the Debian Linux from their 515 Meg SD card.
> I want to use a larger SD card, 2 gig.
>
> I took the original 512 meg card and dd'd it to a file:
>
> dd if=/dev/sdb of=SD-base.dd
>
> Then I dd'd it to the new SD card.
>
> dd if=SD-base.dd of=/dev/sdb
>
> Looking at the new card with fdisk it matches the original disk in layout:
>
> Disk /dev/sdb: 2032 MB, 2032664576 bytes
> 16 heads, 32 sectors/track, 7754 cylinders Units = cylinders of 512 * 512 =
> 262144 bytes
>
> Device Boot Start End Blocks Id System
> /dev/sdb1 1 6 1520 da Non-FS data
> /dev/sdb2 7 10 1024 da Non-FS data
> /dev/sdb3 20 953 239104 83 Linux
>
> Command (m for help):
>
> When I mount the file system on the linux box that I wrote the card with
> everything appears to be complete.
>
> When I try and boot from the TS-7400 it fails:
>
> >> TS-FLASHBOOT - built Sep 27 2006
> >> Copyright (c) 2006, Technologic Systems
> .
> .
> .
> Finished booting in 1.59 seconds
> Type 'tshelp' for help
> $ exit
> >> Booting Linux...
> pivot_root: pivot_root: No such file or directory
> /linuxrc: 43: bin/mount: not found
> /linuxrc: 44: bin/mount: not found
> /linuxrc: 45: cannot open ./dev/ttyAM0: No such file
>
> I searched for these messages and found this thread. I ran the update_9441,
> nothing appears to have changed. The flashboot header still shows the same
> build date, Sep 27 2006, not the Oct 6 date from the directions in the thread.
>
> http://tech.groups.yahoo.com/group/ts-7000/message/4852
>
> http://tech.groups.yahoo.com/group/ts-7000/message/4959
>
>
> Can anyone point me to a fix for this?
>
> Thank you!
>
> len
>
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