Index: nvme_pci.c
===================================================================
RCS file: /cvs/src/sys/dev/pci/nvme_pci.c,v
retrieving revision 1.5
diff -u -p -r1.5 nvme_pci.c
--- nvme_pci.c	10 Nov 2016 11:56:41 -0000	1.5
+++ nvme_pci.c	3 Jul 2017 05:28:50 -0000
@@ -77,6 +77,17 @@ nvme_pci_match(struct device *parent, vo
 	return (0);
 }
 
+static inline int
+nvme_msi_blacklisted(struct pci_attach_args *pa)
+{
+	static const struct pci_matchid nvme_msi_blacklist[] = {
+		{ PCI_VENDOR_INTEL,	PCI_PRODUCT_INTEL_OPTANE },
+	};
+
+	return (pci_matchbyid(pa, nvme_msi_blacklist,
+	    nitems(nvme_msi_blacklist)));
+}
+
 void
 nvme_pci_attach(struct device *parent, struct device *self, void *aux)
 {
@@ -97,7 +108,7 @@ nvme_pci_attach(struct device *parent, s
 		return;
 	}
 
-	if (pci_intr_map_msi(pa, &ih) != 0) {
+	if (nvme_msi_blacklisted(pa) || pci_intr_map_msi(pa, &ih) != 0) {
 		if (pci_intr_map(pa, &ih) != 0) {
 			printf(": unable to map interrupt\n");
 			goto unmap;
Index: pcidevs
===================================================================
RCS file: /cvs/src/sys/dev/pci/pcidevs,v
retrieving revision 1.1820
diff -u -p -r1.1820 pcidevs
--- pcidevs	2 Jun 2017 16:04:11 -0000	1.1820
+++ pcidevs	3 Jul 2017 05:28:50 -0000
@@ -3718,6 +3718,7 @@ product INTEL WL_3168_1		0x24fb	Dual Ban
 product INTEL WL_8265_1		0x24fd	Dual Band Wireless-AC 8265
 product INTEL 82820_HB		0x2501	82820 Host
 product INTEL 82820_AGP		0x250f	82820 AGP
+product INTEL OPTANE		0x2522	Optane
 product INTEL 82850_HB		0x2530	82850 Host
 product INTEL 82860_HB		0x2531	82860 Host
 product INTEL 82850_AGP		0x2532	82850/82860 AGP
Index: pcidevs.h
===================================================================
RCS file: /cvs/src/sys/dev/pci/pcidevs.h,v
retrieving revision 1.1814
diff -u -p -r1.1814 pcidevs.h
--- pcidevs.h	2 Jun 2017 16:04:36 -0000	1.1814
+++ pcidevs.h	3 Jul 2017 05:28:50 -0000
@@ -3723,6 +3723,7 @@
 #define	PCI_PRODUCT_INTEL_WL_8265_1	0x24fd		/* Dual Band Wireless-AC 8265 */
 #define	PCI_PRODUCT_INTEL_82820_HB	0x2501		/* 82820 Host */
 #define	PCI_PRODUCT_INTEL_82820_AGP	0x250f		/* 82820 AGP */
+#define	PCI_PRODUCT_INTEL_OPTANE	0x2522		/* Optane */
 #define	PCI_PRODUCT_INTEL_82850_HB	0x2530		/* 82850 Host */
 #define	PCI_PRODUCT_INTEL_82860_HB	0x2531		/* 82860 Host */
 #define	PCI_PRODUCT_INTEL_82850_AGP	0x2532		/* 82850/82860 AGP */
Index: pcidevs_data.h
===================================================================
RCS file: /cvs/src/sys/dev/pci/pcidevs_data.h,v
retrieving revision 1.1808
diff -u -p -r1.1808 pcidevs_data.h
--- pcidevs_data.h	2 Jun 2017 16:04:36 -0000	1.1808
+++ pcidevs_data.h	3 Jul 2017 05:28:50 -0000
@@ -12388,6 +12388,10 @@ static const struct pci_known_product pc
 	    "82820 AGP",
 	},
 	{
+	    PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_OPTANE,
+	    "Optane",
+	},
+	{
 	    PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82850_HB,
 	    "82850 Host",
 	},