LBA NAND corruption

[David Woodhouse]

On Tue, 2008-10-21 at 12:22 -0400, John Watlington wrote:
> 
> Mitch,
>     One of the LBA NAND test machines killed it's MBR.
> It started with a failed comparison of the commonly
> written blocks, then stopped talking to the device at
> all.
> 
> On reboot, fdisk showed no partition table.
> dd of /dev/lba showed all FFs for the first 16K,
> then 00 for the next 2K, then data.
> 
> Suggestions on how to proceed w. debugging
> are welcome.

This is one of the reasons I'm so concerned about this type of device.
When you're dealing with stuff in software, if you have a bug you can
whip the developers harder. When something goes wrong inside the
device's internal firmware, there really isn't much you can do about it
at all.

-- 
David Woodhouse                            Open Source Technology Centre
David.Woodhouse at intel.com                              Intel Corporation