--- zzzz-none-000/linux-2.4.17/drivers/sound/ymfpci.c	2001-12-21 17:41:55.000000000 +0000
+++ sangam-fb-322/linux-2.4.17/drivers/sound/ymfpci.c	2004-11-24 13:22:50.000000000 +0000
@@ -1506,6 +1506,7 @@
 	if (remap_page_range(vma->vm_start, virt_to_phys(dmabuf->rawbuf),
 			     size, vma->vm_page_prot))
 		return -EAGAIN;
+	vma->vm_flags &= ~VM_IO;
 	dmabuf->mapped = 1;
 
 /* P3 */ printk(KERN_INFO "ymfpci: using memory mapped sound, untested!\n");