Device : Nokia N770
OS : ITOS 2006 3.2006.49-2 (default from factory)
Card : Kingston 2GB MMC Mobile card
Instructor : All from
http://maemo.org/community/wiki/HowTo_EASILY_Boot_From_MMC_card
First I have to say: the manual is very good, except no description about what
if the procedure fails.
At first time, I partitioned the brand new MMC card following
http://maemo.org/maemowiki/HowTo_EASILY_Partition_your_MMC_card. All procedures
worked like a charm, and by the end I could boot from the MMC card for sure.
When I booted from MMC card, the system memory was about 1.5G, MMC card show
about 4xx MB. When connected to PC via USB, there was a 4xx MB space on the
device.
Because the manual is for 1GB card, and I wanted to use most of the card space
to save movie/mp3, then I decided to re-partition, and redo it.
I repartitioned the card again. The /dev/mmcblk0p1(fat16) occupied about 1.5G,
/dev/mmcblk0p1(ext2) occupied the leftover about 4xx MB.
I used the last time downloaded initfs_flasher, and re-created the deal boot
menu.(It was too sad that this time the backed up boot image overrided the last
time backup image, so I lost the original non-bootmenu boot image.)
Then, re-run the following procedures:
# insmod /mnt/initfs/lib/modules/current/ext2.ko
# mount /dev/mmcblk0p2 /opt ;the /opt already there
# mount -t jffs2 /dev/mtdblock4 /floppy ;the /floppy already
created last time
# cd /tar-temp/bin/ ;the targnu
already there from last time
# ./targnu cf - -C /floppy . | ./targnu xvf - -C /opt
The bad thing happened at the last step: It took about 15 minutes, then the
xterm exited without any notice! No reboot, no error, just show the default
desktop. Last time this step spent about 90 minutes!
I checked the mounted fs, they were still there. Using df command I saw there
was already 90% data transfered to /opt (All about 140M on /floppy).
I did the last two steps to reboot:
# chroot /mnt/initfs cal-tool --set-root-device ask:mmc2
# shutdown -r now
The boot menu was there, but when I choosed to boot from the MMC ext2 770 just
said that the boot failed and will boot from internal flash memory, then booted
up the OS. Nothing wrong there just not from MMC card.
I repeated the full steps at least two again as the manual says, still crashed
at the targnu step(I sure closed all other apps and WiFi), and not bootable MMC
card.
Did anyone encounter this problem before? I really appreciate if someone help
me working out this trouble.
Many thanks
Mike
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