D61416.1794494804.diff
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D61416.1794494804.diff
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	diff --git a/sys/cam/scsi/scsi_pass.c b/sys/cam/scsi/scsi_pass.c
	--- a/sys/cam/scsi/scsi_pass.c
	+++ b/sys/cam/scsi/scsi_pass.c
	@@ -2074,11 +2074,14 @@
	/*
	* If this is not a queued CCB (i.e. it is an immediate CCB),
	* then it is already done. We need to put it on the done
	- * queue for the user to fetch.
	+ * queue for the user to fetch, and notify any waiters so
	+ * they know there is a completed CCB to collect.
	*/
	if ((fc & XPT_FC_QUEUED) == 0) {
	TAILQ_REMOVE(&softc->active_queue, io_req, links);
	TAILQ_INSERT_TAIL(&softc->done_queue, io_req, links);
	+ selwakeuppri(&softc->read_select, PRIBIO);
	+ KNOTE_LOCKED(&softc->read_select.si_note, 0);
	}
	break;