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    SubjectRe: oops with USB Storage on 2.6.14
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    On Tue, 2005-11-08 at 13:33 -0800, Patrick Mansfield wrote:
    > I mean we get a ref to the sdev in the upper level driver opens, scan, and
    > sd flush. So where are we not getting a ref?
    >
    > Shouldn't the get be done at a higher level?

    Actually, no, because of the way we run the queues for the next command.

    If this is a sd_sync_cache() or something for the last possible command
    on the device, the process may have a reference to the device, but as
    soon as we call end_that_request_last(), they may be racing to release
    it. The bug is triggered when we get into scsi_next_command() with us
    holding the only remaining reference to the device.

    James


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