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iPod color/photo: intermittent checksum boot error

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soodohkuu:
Hi,
I have Rockbox 3.10 installed on my 30Gb iPod photo.

When I start the device I sometimes (approx 1 in 5 times) get a "can't load rockbox.ipod" check-sum error, or occasionally a 'file not found'. Error report is as below.

Some diagostics:
Rockbox boot loader
Version v4.0
IPOD version: 0x00060000
TOSHIBA MK3006GAL
Partition 1: 0x0B 58524794 sectors
Loading rockbox...
Length: 9E11C
Checksum: 3EC4C1B
Model name: ipco
Loading rockbox.ipod
Sum: 3EC3536
Error!
Can't load rockbox.ipod:
Bad checksum
Insert USB cable, or...

Any help appreciated - great firmware, just seems rather unstable.

Many thanks...

gevaerts:
To start with, check the filesystem.

soodohkuu:
I've run Windows 7's file system checks on the iPod, which returned no problems. I then uninstalled Rockbox and restored the iPod using iTunes, and then re-installed Rockbox. It was fine for a while, as I closed and restarted Rockbox several times with no errors. Then three times in a row it failed to boot with a 'file not found', followed a fourth time with a checksum error. Then it booted fine again. Maybe the harddrive is faulty.

TAC109:
I tried rockbox on an iPod Photo and had similar problems to yours.

I had the following booting errors at different times:
  File not found
  Checksum errors
  Low battery errors when the battery was fully charged.

I believe these problems have been reported in the forums before.

In the end I removed rockbox. My iPod Photo works fine with the original Apple software.

dreamlayers:
The file not found and checksum errors seem like problems with the disk. You should check it with something like "chkdsk /r", which scans for bad sectors. It's possible that just by chance, the original firmware isn't putting anything important in the bad area.

If it was a Rockbox issue, it would be a problem with the bootloader. You can download older bootloaders and install them manually.

A low battery error at startup with a full battery could be due to voltage being low when the disk is active. That can happen with old batteries and/or at low temperatures. If it happens at other times, something else is wrong.

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