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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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