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    SubjectRe: 2.4.14: crashing on heavy swap-load with SmartArray (dmesg/.config output)
    On Fri, Nov 09 2001, Ronny Lampert (EED) wrote:
    [smart array crashing]

    Apply this on top of 2.4.14 and you'll be fine.

    --
    Jens Axboe

    --- linux/drivers/block/cpqarray.c~ Thu Nov 8 11:33:11 2001
    +++ linux/drivers/block/cpqarray.c Thu Nov 8 11:35:31 2001
    @@ -942,6 +942,8 @@
    if ((c = cmd_alloc(h,1)) == NULL)
    goto startio;

    + blkdev_dequeue_request(creq);
    +
    spin_unlock_irq(&io_request_lock);

    bh = creq->bh;
    @@ -987,13 +989,10 @@
    DBGPX( printk("Submitting %d sectors in %d segments\n", sect, seg); );
    c->req.hdr.sg_cnt = seg;
    c->req.hdr.blk_cnt = creq->nr_sectors;
    -
    - spin_lock_irq(&io_request_lock);
    -
    - blkdev_dequeue_request(creq);
    -
    c->req.hdr.cmd = (creq->cmd == READ) ? IDA_READ : IDA_WRITE;
    c->type = CMD_RWREQ;
    +
    + spin_lock_irq(&io_request_lock);

    /* Put the request on the tail of the request queue */
    addQ(&h->reqQ, c);
    \
     
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