diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 99bbd28..cf684a9 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -1363,6 +1363,8 @@ fb_mmap(struct file *file, struct vm_area_struct * vma)
 	/* This is an IO map - tell maydump to skip this VMA */
 	vma->vm_flags |= VM_IO | VM_RESERVED;
 	fb_pgprotect(file, vma, off);
+
+	printk("fb_mmap: vma->vm_start=%lx, vma->vm_end=%lx, start=%lx\n", vma->vm_start, vma->vm_end, start);
 	if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,
 			     vma->vm_end - vma->vm_start, vma->vm_page_prot))
 		return -EAGAIN;