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Hi! Iam facing aproblem while trying to mount a 4GB SD card(High capacity) when formatted with a logical sector size of 512 which is always recommended. I have formatted the ...
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  1. #1
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    Problem mounting 4GB SD high capacity card


    Hi!
    Iam facing aproblem while trying to mount a 4GB SD card(High capacity) when formatted with a logical sector size of 512 which is always recommended.

    I have formatted the card using a card reader and by issuing the following command on a linux PC : mkfs.vfat -I -F 32 -S 512 /dev/sdb

    When i try to mount the same card on an ARM based proprietary board with montavista Linux running it issues a mount error:

    FAT:bogus number of reserved sectors.
    VFS: did not find a valid filesystem.

    The command i have issued is: mount -tvfat /dev/mmcblk0 /mnt
    Is there any restriction for 4GB SD cards by the mmc layer?

    The same card mounts with out any errors if formatted with 2048 logical sector size.(i.e givig the -S 2048 option.)

    Any help??

  2. #2
    Super Moderator devils casper's Avatar
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    Hi srinivas nagraj !

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