diff -urN -X /usr/src/dontdiff linux.clean/drivers/scsi/imm.c linux.current/drivers/scsi/imm.c
--- linux.clean/drivers/scsi/imm.c	Thu Nov 16 07:25:29 2000
+++ linux.current/drivers/scsi/imm.c	Thu Nov 16 21:39:10 2000
@@ -122,7 +122,15 @@
     struct Scsi_Host *hreg;
     int ports;
     int i, nhosts, try_again;
-    struct parport *pb = parport_enumerate();
+    struct parport *pb;
+
+    /*
+     * unlock to allow the lowlevel parport driver to probe
+     * the irqs
+     */
+    spin_unlock_irq(&io_request_lock);
+    pb = parport_enumerate();
+    spin_lock_irq(&io_request_lock);
 
     printk("imm: Version %s\n", IMM_VERSION);
     nhosts = 0;
diff -urN -X /usr/src/dontdiff linux.clean/drivers/scsi/ppa.c linux.current/drivers/scsi/ppa.c
--- linux.clean/drivers/scsi/ppa.c	Thu Nov 16 07:25:29 2000
+++ linux.current/drivers/scsi/ppa.c	Thu Nov 16 21:37:33 2000
@@ -111,7 +111,15 @@
     struct Scsi_Host *hreg;
     int ports;
     int i, nhosts, try_again;
-    struct parport *pb = parport_enumerate();
+    struct parport *pb;
+
+    /*
+     * unlock to allow the lowlevel parport driver to probe
+     * the irqs
+     */
+    spin_unlock_irq(&io_request_lock);
+    pb = parport_enumerate();
+    spin_lock_irq(&io_request_lock);
 
     printk("ppa: Version %s\n", PPA_VERSION);
     nhosts = 0;