--- zzzz-none-000/linux-2.4.17/drivers/sound/soundcard.c	2001-09-30 19:26:08.000000000 +0000
+++ sangam-fb-401/linux-2.4.17/drivers/sound/soundcard.c	2004-04-08 07:35:46.000000000 +0000
@@ -481,6 +481,7 @@
 		return -EAGAIN;
 	}
 
+	vma->vm_flags &= ~VM_IO;
 	dmap->mapping_flags |= DMA_MAP_MAPPED;
 
 	if( audio_devs[dev]->d->mmap)