This pointed out the issue. A more general fix was applied

diff -Naru linux-2.6.17.i686.orig/drivers/media/video/v4l1-compat.c linux-2.6.17.i686/drivers/media/video/v4l1-compat.c
--- linux-2.6.17.i686.orig/drivers/media/video/v4l1-compat.c	2006-06-18 02:49:35.000000000 +0100
+++ linux-2.6.17.i686/drivers/media/video/v4l1-compat.c	2006-08-08 23:22:25.000000000 +0100
@@ -631,7 +631,7 @@
 			if (err < 0)
 				dprintk("VIDIOCSPICT / VIDIOC_S_FMT: %d\n",err);
 		}
-
+#if 0
 		err = drv(inode, file, VIDIOC_G_FBUF, &fbuf2);
 		if (err < 0)
 			dprintk("VIDIOCSPICT / VIDIOC_G_FBUF: %d\n",err);
@@ -644,6 +644,7 @@
 				dprintk("VIDIOCSPICT / VIDIOC_S_FBUF: %d\n",err);
 			err = 0; /* likely fails for non-root */
 		}
+#endif
 		break;
 	}
 	case VIDIOCGTUNER: /*  get tuner information  */