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[ts-7000] Re: 2GB SD card partition table messages

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Subject: [ts-7000] Re: 2GB SD card partition table messages
From: "geoffjay01" <>
Date: Tue, 04 Jan 2011 19:27:37 -0000
I tried to set a 2k block with dd but get the same warnings, but since 
everything seems to work fine and I only actually see them when the card is 
mounted on my desktop I'm not sure it really matters.

Thanks for the info.

--- In  "Kris" <> wrote:
>
> 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" <geoff.jay@> 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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