openbsd 7.1 kernel patch to stop a GFE L6F ACPI interrupt storm

71.patch

--- /usr/src/sys/dev/acpi/acpi.c.orig   Mon Oct  3 16:26:55 2022
+++ /usr/src/sys/dev/acpi/acpi.c        Mon Oct  3 16:30:29 2022
@@ -2269,6 +2269,18 @@
 {
        struct aml_node *node = arg;
        uint8_t mask, en;
+
+       /* bad bios. mask/ignore the GPE _L6F (0x6f) interrupt */
+       if (gpe == 0x6f && (sc->gpe_table[gpe].flags & GPE_LEVEL)) {
+               static unsigned short i;
+               if (i == 0) {
+                       i++;
+                       printf("acpi_gpe %d %s IGNORING\n", gpe, node->name);
+               }
+               return (0);
+       }
+
+       printf("acpi_gpe %d %s\n", gpe, node->name);

        dnprintf(10, "handling GPE %.2x\n", gpe);
        aml_evalnode(sc, node, 0, NULL, NULL);

@bconway thank you!! that's great