D24083.diff
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	Index: head/usr.sbin/bhyve/pci_nvme.c
	===================================================================
	--- head/usr.sbin/bhyve/pci_nvme.c
	+++ head/usr.sbin/bhyve/pci_nvme.c
	@@ -1153,7 +1153,8 @@
	cmd->opc));
	pci_nvme_status_genc(&compl.status, NVME_SC_INVALID_OPCODE);
	}
	-
	+ sqhead = (sqhead + 1) % sq->size;
	+
	if (NVME_COMPLETION_VALID(compl)) {
	struct nvme_completion *cp;
	int phase;
	@@ -1170,7 +1171,6 @@

	cq->tail = (cq->tail + 1) % cq->size;
	}
	- sqhead = (sqhead + 1) % sq->size;
	}

	DPRINTF(("setting sqhead %u", sqhead));
	@@ -1285,8 +1285,9 @@

	compl = &cq->qbase[cq->tail];

	- compl->sqhd = atomic_load_acq_short(&sq->head);
	+ compl->cdw0 = cdw0;
	compl->sqid = sqid;
	+ compl->sqhd = atomic_load_acq_short(&sq->head);
	compl->cid = cid;

	// toggle phase