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    SubjectRe: [PATCH] Bogus LBA48 drives
    On Tuesday 30 of March 2004 17:22, Geert Uytterhoeven wrote:
    > Apparently some IDE drives (e.g. a pile of 80 GB ST380020ACE drives I have
    > access to) advertise to support LBA48, but don't, causing kernels that
    > support LBA48 (i.e. anything newer than 2.4.18, including 2.4.25 and 2.6.4)
    > to fail on them. Older kernels (including 2.2.20 on the Debian woody CDs)
    > work fine.
    > One problem with those drives is that the lba_capacity_2 field in their
    > drive identification is set to 0, making the IDE driver think the disk is 0
    > bytes large. At first I tried modifying the driver to use lba_capacity if
    > lba_capacity_2 is set to 0, but this caused disk errors. So it looks like
    > those drives don't support the increased transfer size of LBA48 neither.

    I think somebody should make Seagate aware of the issue.

    > I added a workaround for these drives to both 2.4.25 and 2.6.4. I'll send
    > patches in follow-up emails.

    They look okay but some comment about this issue would be useful.


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