D34117.diff
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	diff --git a/sys/dev/sound/pci/hda/hdac.c b/sys/dev/sound/pci/hda/hdac.c
	--- a/sys/dev/sound/pci/hda/hdac.c
	+++ b/sys/dev/sound/pci/hda/hdac.c
	@@ -384,13 +384,13 @@
	* re-examine GIS then we can leave it set and never get an interrupt
	* again.
	*/
	+ hdac_lock(sc);
	intsts = HDAC_READ_4(&sc->mem, HDAC_INTSTS);
	- while ((intsts & HDAC_INTSTS_GIS) != 0) {
	- hdac_lock(sc);
	+ while (intsts != 0xffffffff && (intsts & HDAC_INTSTS_GIS) != 0) {
	hdac_one_intr(sc, intsts);
	- hdac_unlock(sc);
	intsts = HDAC_READ_4(&sc->mem, HDAC_INTSTS);
	}
	+ hdac_unlock(sc);
	}

	static void