--- a/sys/dev/raid/dpt/dpt_scsi.c
+++ b/sys/dev/raid/dpt/dpt_scsi.c
@@ -779,6 +779,7 @@ dptexecuteccb(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
 	if (dpt_send_eata_command(dpt, &dccb->eata_ccb,
 				  dccb->eata_ccb.cp_busaddr,
 				  EATA_CMD_DMA_SEND_CP, 0, 0, 0, 0) != 0) {
+		callout_stop(ccb->ccb_h.timeout_ch);	/* armed at :778 */
 		ccb->ccb_h.status = CAM_NO_HBA; /* HBA dead or just busy?? */
 		if (nseg != 0)
 			bus_dmamap_unload(dpt->buffer_dmat, dccb->dmamap);