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    SubjectRe: 2.5.9 -- OOPS in IDE code (symbolic dump and boot log included)
    Uz.ytkownik Jens Axboe napisa?:
    > On Wed, Apr 24 2002, rwhron@earthlink.net wrote:
    >
    >>>>Oops on 2.5.9 at boot time.
    >>>
    >>>Could you please introduce two printk("BANG\n") printk("BOOM\n")
    >>>aroung the ata_ar_get() in ide-cd? Just to see whatever the
    >>>command queue is already up and initialized.
    >>
    >>This may not be what you wanted:
    >>
    >> printk("BANG\n");
    >> ar = ata_ar_get(drive);
    >> printk("BOOM\n");
    >>
    >>If it is, neither BANG nor BOOM printed before oops.
    >
    >
    > Look, the problem is easy. Backout the changes to ide_cdrom_do_request()
    > and cdrom_start_read(), then re-add the
    >
    > HWGROUP(drive)->rq->special = NULL;
    >
    > in cdrom_end_request() before calling ide_end_request()
    >
    > Something ala, completely untested (not even compiled). See the thread
    > about the ide-cd changes being broken.
    >

    Jens - this is *not going to work* becouse the DMA methods are
    expecting an full ata_request right now.

    Uunfortunately pulling the whole ata_ar_get() stuff one
    level up to the ide.c file where ->do_request get's called
    doesn't work right now.


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