Hi Jim,
can you check which differences can be found in the FORMAT
log when formatting does succeed? If I understand you
correctly, things depend on from which drive you boot
and / or which KERNEL version you used?
A FAT12 partition with 10k sectors is quite small, do you
get similar problems for FAT16 < 32 MB partition type? Or
is this a FAT12 specific issue, affecting others < 32 MB?
Does the problem depend on which version of the kernel
and/or format you use, in other words, could this be a
regression? Do things work with EDR-DOS or MS kernels?
Two of the errors for test-reading and for writing a
boot sector in your log both boil down to "unknown
unit for driver". As your partition was not yet FAT
formatted, this has a point, but of course you need
a way to write the boot sector to start formatting.
Which is why FORMAT starts by locking the drive for
formatting when the kernel is FAT32-enabled. You may
see other results for kernels without FAT32 support?
Regards, Eric
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