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    SubjectRe: corruption with A7A266+200GB disk?
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    > ALi does support LBA48 in PIO mode. Right now the choice is 
    > DMA and 137Gb or no DMA and 200Gb, ideally it should be DMA
    > and fall back to PIO for the top 70Gb, but not yet a while.

    OK, having actually read what dmesg says (instead of making assumptions),
    I see:
    hda: max request size: 128KiB
    hda: cannot use LBA48 - full capacity 390721968 sectors (200049 MB)
    hda: 268435456 sectors (137438 MB) w/8192KiB Cache, CHS=16709/255/63, UDMA(100)
    hda: hda1 hda2 hda3 hda4

    and fdisk reports:
    # /sbin/fdisk -l

    Disk /dev/hda: 137.4 GB, 137438953472 bytes
    255 heads, 63 sectors/track, 16709 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes

    Device Boot Start End Blocks Id System
    /dev/hda1 * 1 13 104391 83 Linux
    /dev/hda2 14 1057 8385930 83 Linux
    /dev/hda3 1058 1188 1052257+ 82 Linux swap
    /dev/hda4 1189 6169 40009882+ 83 Linux

    So the disk is being correctly downgraded to a non-lba48-compatible size.
    In which case, why is the disk getting trashed?

    Maybe there's a fault on the disk itself? I'll find a system that does lba48
    and try it there...

    Steve.

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