diff -Naur linux-2.4.22-pre6/drivers/scsi/aha152x.c linux-2.4.22-bpd/drivers/scsi/aha152x.c
--- linux-2.4.22-pre6/drivers/scsi/aha152x.c	2003-06-13 08:51:36.000000000 -0600
+++ linux-2.4.22-bpd/drivers/scsi/aha152x.c	2003-07-15 14:38:27.000000000 -0600
@@ -1936,6 +1936,23 @@
 		return;
 	}
 
+	/*
+	 * Read a couple of registers that are known to not be all 1's. If
+	 * we read all 1's (-1), that means that either:
+	 * a. The host adapter chip has gone bad, and we cannot control it,
+	 * OR
+	 * b. The host adapter is a PCMCIA card that has been ejected
+	 * In either case, we cannot do anything with the host adapter at
+	 * this point in time. So just ignore the interrupt and return.
+	 * In the latter case, the interrupt might actually be meant for
+	 * someone else sharing this IRQ, and that driver will handle it
+	 */
+	rev = GETPORT(REV);
+	dmacntrl0 = GETPORT(DMACNTRL0);
+	if ((rev == 0xFF) && (dmacntrl0 == 0xFF)) {
+		return;
+	}
+
 	/* no more interrupts from the controller, while we're busy.
 	   INTEN is restored by the BH handler */
 	CLRBITS(DMACNTRL0, INTEN);
diff -Naur linux-2.4.22-pre6/drivers/scsi/pcmcia/aha152x_stub.c linux-2.4.22-bpd/drivers/scsi/pcmcia/aha152x_stub.c
--- linux-2.4.22-pre6/drivers/scsi/pcmcia/aha152x_stub.c	2001-12-21 10:41:55.000000000 -0700
+++ linux-2.4.22-bpd/drivers/scsi/pcmcia/aha152x_stub.c	2003-07-15 14:41:20.000000000 -0600
@@ -244,6 +244,11 @@
 
     /* Configure card */
     driver_template.module = &__this_module;
+    /* 
+     * Don't use the SCSI error handling thread. This causes schedule() to
+     * be called from the timer_bh when the AHA152x card is ejected
+     */
+    driver_template.use_new_eh_code = 0;
     link->state |= DEV_CONFIG;
 
     tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;