Index: firmware/drivers/ata.c
===================================================================
--- firmware/drivers/ata.c	(revision 31001)
+++ firmware/drivers/ata.c	(working copy)
@@ -363,6 +363,7 @@
     spinup_start = current_tick;
 
     ata_led(true);
+    if (!write) cpucache_invalidate();
 
     if ( sleeping ) {
         sleeping = false; /* set this now since it'll be on */