You can safely ignore these warnings, it is simply fdisk complaining that the
sectors do not line up on the DOS defined CHS notation. The sectors are
aligned for 2kbyte erase blocks (hence the recommendation of bs=2048, but you
are safe without using it) that are defined in flash. This allows us to use
the same partition table on both the SD card and NAND flash as well as easily
change between the two.
Using `fdisk -cu` from a host PC will stop these messages, just make sure to
keep everything aligned on 2048 byte boundaries.
-Kris Bahnsen
Technologic Systems
--- In "geoffjay01" <> wrote:
>
> This may or may not be a problem, but I'm getting a bunch of messages from
> fdisk about incorrect partition boundaries.
>
> As per the README on the FTP I've blanked out the SD card and done
>
> $ dd if=512mbsd-latest.dd of=/dev/sdd
>
> and when I try to list the partitions I get
>
> --------
>
> Disk /dev/sdd: 2032 MB, 2032664576 bytes
> 63 heads, 62 sectors/track, 1016 cylinders
> Units = cylinders of 3906 * 512 = 1999872 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x00000000
>
> Device Boot Start End Blocks Id System
> /dev/sdd1 1 3 4096 c W95 FAT32 (LBA)
> Partition 1 has different physical/logical beginnings (non-Linux?):
> phys=(0, 4, 13) logical=(0, 4, 9)
> Partition 1 has different physical/logical endings:
> phys=(17, 2, 30) logical=(2, 10, 16)
> Partition 1 does not end on cylinder boundary.
> /dev/sdd2 3 4 3072 da Non-FS data
> Partition 2 has different physical/logical beginnings (non-Linux?):
> phys=(2, 12, 17) logical=(2, 10, 17)
> Partition 2 has different physical/logical endings:
> phys=(3, 49, 22) logical=(3, 46, 22)
> Partition 2 does not end on cylinder boundary.
> /dev/sdd3 5 6 1536 da Non-FS data
> Partition 3 has different physical/logical beginnings (non-Linux?):
> phys=(16, 12, 25) logical=(4, 16, 25)
> Partition 3 has different physical/logical endings:
> phys=(19, 13, 58) logical=(5, 2, 58)
> Partition 3 does not end on cylinder boundary.
> /dev/sdd4 7 254 482944 83 Linux
> Partition 4 has different physical/logical beginnings (non-Linux?):
> phys=(50, 7, 6) logical=(6, 22, 33)
> Partition 4 has different physical/logical endings:
> phys=(1023, 7, 61) logical=(253, 40, 22)
> Partition 4 does not end on cylinder boundary.
>
> --------
>
> the SD card I'm using here shows up as 64MB larger than the one supplied by
> TS so these warnings don't really surprise me.
>
> What I'm wondering is if I can safely ignore these or better yet is there a
> way to remedy them?
>
> Thanks.
>
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