https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=226510
--- Comment #11 from Warner Losh <i...@freebsd.org> ---
Does this help?
diff --git a/sys/cam/scsi/scsi_da.c b/sys/cam/scsi/scsi_da.c
index c6941990a8df..4bcddbb8dff9 100644
--- a/sys/cam/scsi/scsi_da.c
+++ b/sys/cam/scsi/scsi_da.c
@@ -2039,26 +2039,30 @@ daasync(void *callback_arg, u_int32_t code,
* Handle all UNIT ATTENTIONs except our own,
* as they will be handled by daerror().
*/
- cam_periph_lock(periph);
if (xpt_path_periph(ccb->ccb_h.path) != periph &&
scsi_extract_sense_ccb(ccb,
&error_code, &sense_key, &asc, &ascq)) {
if (asc == 0x2A && ascq == 0x09) {
xpt_print(ccb->ccb_h.path,
"Capacity data has changed\n");
+ cam_periph_lock(periph);
softc->flags &= ~DA_FLAG_PROBED;
+ cam_periph_unlock(periph);
dareprobe(periph);
} else if (asc == 0x28 && ascq == 0x00) {
+ cam_periph_lock(periph);
softc->flags &= ~DA_FLAG_PROBED;
+ cam_periph_unlock(periph);
disk_media_changed(softc->disk, M_NOWAIT);
} else if (asc == 0x3F && ascq == 0x03) {
xpt_print(ccb->ccb_h.path,
"INQUIRY data has changed\n");
+ cam_periph_lock(periph);
softc->flags &= ~DA_FLAG_PROBED;
+ cam_periph_unlock(periph);
dareprobe(periph);
}
}
- cam_periph_unlock(periph);
break;
}
case AC_SCSI_AEN:
--
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