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    SubjectRe: BUG in 2.5.50
    Added Jens to CC to verify any incorrect information i may or may not put
    down.

    On Mon, 9 Dec 2002, Roy Sigurd Karlsbakk wrote:

    > installed 2.5.50 and got an OOPS after a short while. .
    > config is attached as tonjeconfig
    > /var/log/messages including dmesg and oops is attached as tonje_messages

    Perhaps this might help with debugging;

    He has CONFIG_BLK_DEV_IDE_TCQ enabled and his IBM supports it,

    when he gets to do_rw_disk();

    We know its a READ request
    if (rq_data_dir(rq) == READ) {
    if (blk_rq_tagged(rq))
    return hwif->ide_dma_queued_read(drive);

    ... the request isn't tagged so we drop down here...

    if (drive->using_dma && !hwif->ide_dma_read(drive))
    return ide_started;

    int __ide_dma_read (ide_drive_t *drive)
    ...
    if (HWGROUP(drive)->handler != NULL)
    BUG();

    and ->handler = ?

    Is this reproducible? If so without CONFIG_PREEMPT?

    Cheers,
    Zwane
    --
    function.linuxpower.ca
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