Index: test-2.6.12/arch/ia64/sn/pci/pcibr/pcibr_dma.c
===================================================================
--- test-2.6.12.orig/arch/ia64/sn/pci/pcibr/pcibr_dma.c	2005-03-24 14:34:42.591117130 -0600
+++ test-2.6.12/arch/ia64/sn/pci/pcibr/pcibr_dma.c	2005-03-24 15:56:33.535718144 -0600
@@ -301,7 +301,7 @@
 		spin_lock_irqsave(&((struct sn_flush_device_list *)p)->
 				  sfdl_flush_lock, flags);
 
-		p->sfdl_flush_value = 0;
+		*p->sfdl_flush_addr = 0;
 
 		/* force an interrupt. */
 		*(volatile uint32_t *)(p->sfdl_force_int_addr) = 1;