D48687.1785651736.diff
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D48687.1785651736.diff
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	diff --git a/sys/cam/scsi/scsi_da.c b/sys/cam/scsi/scsi_da.c
	--- a/sys/cam/scsi/scsi_da.c
	+++ b/sys/cam/scsi/scsi_da.c
	@@ -100,7 +100,7 @@
	} da_state;

	typedef enum {
	- DA_FLAG_PACK_INVALID = 0x000001,
	+ DA_FLAG_PACK_INVALID = 0x000001, /* media temporarily missing, drive healthy */
	DA_FLAG_NEW_PACK = 0x000002,
	DA_FLAG_PACK_LOCKED = 0x000004,
	DA_FLAG_PACK_REMOVABLE = 0x000008,
	@@ -1899,7 +1899,11 @@
	cam_periph_lock(periph);

	/*
	- * If the device has been made invalid, error out
	+ * If the pack has been invalidated, fail all I/O. There's no underlying
	+ * disk present since either we've not been able to query the size or
	+ * the drive has told us the media is missing. This bit will also be set
	+ * when the periph has been invalidated, so checking for that here is
	+ * redundant.
	*/
	if ((softc->flags & DA_FLAG_PACK_INVALID)) {
	cam_periph_unlock(periph);
	@@ -1946,6 +1950,9 @@
	softc = (struct da_softc *)periph->softc;
	secsize = softc->params.secsize;

	+ /*
	+ * Can't dump to a disk that's not there, for whatever reason.
	+ */
	if ((softc->flags & DA_FLAG_PACK_INVALID) != 0)
	return (ENXIO);