diff --git a/sys/dev/acpi_support/atk0110.c b/sys/dev/acpi_support/atk0110.c
index c3f480e90364..7d30d5fd52ae 100644
--- a/sys/dev/acpi_support/atk0110.c
+++ b/sys/dev/acpi_support/atk0110.c
@@ -253,8 +253,8 @@ aibs_attach_sif(struct aibs_softc *sc, enum aibs_type st)
 		    "0x%08"PRIx64" %20s %5"PRIi64" / %5"PRIi64"  "
 		    "0x%"PRIx64"\n",
 		    name[0], i,
-		    as[i].i, desc, (int64_t)as[i].l, (int64_t)as[i].h,
-		    oi[4].Integer.Value);
+		    (uint64_t)as[i].i, desc, (int64_t)as[i].l,
+		    (int64_t)as[i].h, (uint64_t)oi[4].Integer.Value);
 #endif
 		snprintf(si, sizeof(si), "%i", i);
 		SYSCTL_ADD_PROC(device_get_sysctl_ctx(sc->sc_dev),
diff --git a/sys/dev/acpica/acpi_pcib_acpi.c b/sys/dev/acpica/acpi_pcib_acpi.c
index e93aec94edee..36d9580b9b67 100644
--- a/sys/dev/acpica/acpi_pcib_acpi.c
+++ b/sys/dev/acpica/acpi_pcib_acpi.c
@@ -243,7 +243,7 @@ acpi_pcib_producer_handler(ACPI_RESOURCE *res, void *context)
 		if (min + length - 1 != max)
 			device_printf(sc->ap_dev,
 			    "Length mismatch for %d range: %jx vs %jx\n", type,
-			    (uintmax_t)max - min + 1, (uintmax_t)length);
+			    (uintmax_t)(max - min + 1), (uintmax_t)length);
 #ifdef __i386__
 		if (min > ULONG_MAX) {
 			device_printf(sc->ap_dev,
diff --git a/usr.sbin/acpi/acpidb/acpidb.c b/usr.sbin/acpi/acpidb/acpidb.c
index 40522ca6b080..3cd8d3fc7456 100644
--- a/usr.sbin/acpi/acpidb/acpidb.c
+++ b/usr.sbin/acpi/acpidb/acpidb.c
@@ -176,8 +176,8 @@ aml_simulate_prompt(char *msg, UINT64 def_val)
 	if (msg != NULL) {
 		printf("%s", msg);
 	}
-	printf("(default: 0x%jx ", val);
-	printf(" / %ju) >>", val);
+	printf("(default: 0x%jx ", (uintmax_t)val);
+	printf(" / %ju) >>", (uintmax_t)val);
 	fflush(stdout);
 
 	bzero(buf, sizeof buf);
diff --git a/usr.sbin/acpi/acpidump/acpi.c b/usr.sbin/acpi/acpidump/acpi.c
index c7f5bd8aa33a..d3f968594bae 100644
--- a/usr.sbin/acpi/acpidump/acpi.c
+++ b/usr.sbin/acpi/acpidump/acpi.c
@@ -537,7 +537,7 @@ acpi_handle_mcfg(ACPI_TABLE_HEADER *sdp)
 	alloc = (ACPI_MCFG_ALLOCATION *)(mcfg + 1);
 	for (i = 0; i < entries; i++, alloc++) {
 		printf("\n");
-		printf("\tBase Address=0x%016jx\n", alloc->Address);
+		printf("\tBase Address=0x%016jx\n", (uintmax_t)alloc->Address);
 		printf("\tSegment Group=0x%04x\n", alloc->PciSegment);
 		printf("\tStart Bus=%d\n", alloc->StartBusNumber);
 		printf("\tEnd Bus=%d\n", alloc->EndBusNumber);
@@ -554,16 +554,16 @@ acpi_handle_slit(ACPI_TABLE_HEADER *sdp)
 	printf(BEGIN_COMMENT);
 	acpi_print_sdt(sdp);
 	slit = (ACPI_TABLE_SLIT *)sdp;
-	printf("\tLocality Count=%jd\n", slit->LocalityCount);
+	printf("\tLocality Count=%ju\n", (uintmax_t)slit->LocalityCount);
 	printf("\n\t      ");
 	for (i = 0; i < slit->LocalityCount; i++)
-		printf(" %3jd", i);
+		printf(" %3ju", (uintmax_t)i);
 	printf("\n\t     +");
 	for (i = 0; i < slit->LocalityCount; i++)
 		printf("----");
 	printf("\n");
 	for (i = 0; i < slit->LocalityCount; i++) {
-		printf("\t %3jd |", i);
+		printf("\t %3ju |", (uintmax_t)i);
 		for (j = 0; j < slit->LocalityCount; j++)
 			printf(" %3d",
 			    slit->Entry[i * slit->LocalityCount + j]);
@@ -830,7 +830,7 @@ acpi_handle_dmar_drhd(ACPI_DMAR_HARDWARE_UNIT *drhd)
 #undef PRINTFLAG
 
 	printf("\tSegment=%d\n", drhd->Segment);
-	printf("\tAddress=0x%0jx\n", drhd->Address);
+	printf("\tAddress=0x%0jx\n", (uintmax_t)drhd->Address);
 
 	remaining = drhd->Header.Length - sizeof(ACPI_DMAR_HARDWARE_UNIT);
 	if (remaining > 0)
@@ -855,8 +855,8 @@ acpi_handle_dmar_rmrr(ACPI_DMAR_RESERVED_MEMORY *rmrr)
 	printf("\tType=RMRR\n");
 	printf("\tLength=%d\n", rmrr->Header.Length);
 	printf("\tSegment=%d\n", rmrr->Segment);
-	printf("\tBaseAddress=0x%0jx\n", rmrr->BaseAddress);
-	printf("\tLimitAddress=0x%0jx\n", rmrr->EndAddress);
+	printf("\tBaseAddress=0x%0jx\n", (uintmax_t)rmrr->BaseAddress);
+	printf("\tLimitAddress=0x%0jx\n", (uintmax_t)rmrr->EndAddress);
 
 	remaining = rmrr->Header.Length - sizeof(ACPI_DMAR_RESERVED_MEMORY);
 	if (remaining > 0)
@@ -911,7 +911,7 @@ acpi_handle_dmar_rhsa(ACPI_DMAR_RHSA *rhsa)
 	printf("\n");
 	printf("\tType=RHSA\n");
 	printf("\tLength=%d\n", rhsa->Header.Length);
-	printf("\tBaseAddress=0x%0jx\n", rhsa->BaseAddress);
+	printf("\tBaseAddress=0x%0jx\n", (uintmax_t)rhsa->BaseAddress);
 	printf("\tProximityDomain=0x%08x\n", rhsa->ProximityDomain);
 }