diff -puN drivers/block/pktcdvd.c~packet-io-log drivers/block/pktcdvd.c
--- linux/drivers/block/pktcdvd.c~packet-io-log	2004-09-05 10:35:24.697900200 +0200
+++ linux-petero/drivers/block/pktcdvd.c	2004-09-05 10:35:24.701899592 +0200
@@ -896,6 +896,27 @@ static inline void pkt_set_state(struct 
 	pkt->state = state;
 }
 
+static void pkt_io_log(struct bio *bio)
+{
+	static sector_t start, stop;
+	typedef unsigned long long ull;
+
+	if (bio) {
+		if (stop == bio->bi_sector) {
+			stop = stop + bio_sectors(bio);
+		} else {
+			if (start != stop)
+				printk("pkt: %lld - %lld\n", (ull)(start >> 2), (ull)(stop >> 2));
+			start = bio->bi_sector;
+			stop = start + bio_sectors(bio);
+		}
+	} else {
+		if (start != stop)
+			printk("pkt: %lld - %lld\n", (ull)(start >> 2), (ull)(stop >> 2));
+		start = stop = 0;
+	}
+}
+
 /*
  * Scan the work queue to see if we can start a new packet.
  * returns non-zero if any work was done.
@@ -949,6 +970,8 @@ try_next_bio:
 	spin_unlock(&pd->lock);
 	if (!bio) {
 		VPRINTK("handle_queue: no bio\n");
+		if (list_empty(&pd->cdrw.pkt_active_list))
+			pkt_io_log(NULL);
 		return 0;
 	}
 
@@ -2197,6 +2220,8 @@ static int pkt_make_request(request_queu
 		}
 	}
 
+	pkt_io_log(bio);
+
 	/*
 	 * If we find a matching packet in state WAITING or READ_WAIT, we can
 	 * just append this bio to that packet.
_

-- 
Peter Osterlund - petero2@telia.com
http://w1.894.telia.com/~u89404340