Installation / Removal > Apple - Installation/Removal
"Can't load rockbox.ipod" error after installation on 5.5G iPod
jpc:
--- Quote from: Llorean on August 30, 2009, 02:02:31 PM ---Please give all possible details about the partitions on your ipod. Sometimes having ipl previously leaves them in a state itunes is okay with (so won't change on restore) but Rockbox doesn't like.
--- End quote ---
Thanks for taking the time.
According to Acronis Disk Director Suite and Windows Disk Management Software, there is unallocated space (125.5 MB) followed by a partition (74.41 GB) with "File Sytem: None" & "Partition: 0xB (FAT32)".
I remember formatting the iPod completely before restoring it with iTunes to the current state, so I suppose that's nothing special even though the unallocated space seems weird to me.
Any suggestions?
GodEater:
The unallocated space is completely normal - that's where the ipod's firmware lives.
So your PC software correctly reports a ~75GB data partition. Have you tried re-installation the Rockbox bootloader with Rockbox Utility, as well as Rockbox itself?
Does the bootloader then still report a 38GB partition ?
jpc:
I tried installing the bootloader manually and with the utility several times, but without success. It still reports the 38 GB partition.
gevaerts:
The partition size reporting in the bootloader is a bit misleading.
The code that prints this number takes the number of (logical) sectors and divides that by 2048 to get megabytes, i.e. it assumes a sector size of 512 bytes which is incorrect for the big ipods. Note that it's only the printing that makes this faulty assumption, not the actual partition handling code.
If it reports a 38GB partition, it means that the actual filesystems use a 1024-byte logical sector size. This is strange, since as far as I know the ipod video normally uses either 512 byte or 2048 byte sectors.
The problem is that the partition table does not actually indicate which sector size is used, so the bootloader has to try all possible sector sizes until it finds a FAT filesystem. My guess is that itunes actually did format it with 2048-byte sectors, but there are remains of a 1024-byte-sector filesystem on the disk, which confuse our bootloader code.
If my guess is correct, wiping the ipod with one of those "secure wipe" programs, then restoring it with itunes, and then reinstalling rockbox should do the trick. If you have access to a linux (or other unix-like) system, you can easily do the first bit using dd.
jpc:
Thank you for your reply. I'm on Windows XP but have a live CD for gparted, a partition editing software. Is that suitable or what is "dd"? Any other useable programs for this? Do you mean with "wiping" overwriting it several times instead of formatting?
I will try this once I'm back home. Currently I'm on tour and not able to use my computer.
Thank you.
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