D54255.id168261.diff
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D54255.id168261.diff
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	diff --git a/sys/dev/sdhci/sdhci.c b/sys/dev/sdhci/sdhci.c
	--- a/sys/dev/sdhci/sdhci.c
	+++ b/sys/dev/sdhci/sdhci.c
	@@ -2183,6 +2183,18 @@
	int err = 0;

	SDHCI_LOCK(slot);
	+ /*
	+ * If the bus is busy at dump time, it may have stopped in the middle of
	+ * a transaction. Try to complete that transaction before continuing.
	+ */
	+ if (slot->bus_busy && dumping) {
	+ SDHCI_UNLOCK(slot);
	+ while (slot->req != NULL) {
	+ sdhci_generic_intr(slot);
	+ DELAY(10);
	+ }
	+ return (0);
	+ }
	while (slot->bus_busy)
	msleep(slot, &slot->mtx, 0, "sdhciah", 0);
	slot->bus_busy++;