ttyp3:makoto@mini 9:37:07/060211(...20060122/checkout)> cvs diff src/sys/dev/usb/ohci.c
Index: src/sys/dev/usb/ohci.c
===================================================================
RCS file: /export/20060122/Repository/src/sys/dev/usb/ohci.c,v
retrieving revision 1.1.1.1
diff -u -r1.1.1.1 ohci.c
--- src/sys/dev/usb/ohci.c      29 Jan 2006 22:00:24 -0000      1.1.1.1
+++ src/sys/dev/usb/ohci.c      11 Feb 2006 00:04:17 -0000
@@ -3354,7 +3354,7 @@
        if (xfer->status != USBD_NOT_STARTED &&
            xfer->status != USBD_IN_PROGRESS) {
                splx(s);
-               printf("ohci_device_isoc_abort: early return\n");
+               panic("ohci_device_isoc_abort: early return\n");
                return;
        }
 

NetBSD st4200 3.99.15 NetBSD 3.99.15 (GENERIC) #2: Sat Feb 11 09:13:22 JST 2006 root@mini:/export/20060122/checkout/src/sys/arch/macppc/compile/obj/GENERIC macppc

＠ 早速マウスが止ったが、panic しなかった:

Static struct usbd_pipe_methods ohci_device_isoc_methods = {
	ohci_device_isoc_transfer,
	ohci_device_isoc_start,
	ohci_device_isoc_abort,
	ohci_device_isoc_close,
	ohci_noop,
	ohci_device_isoc_done,
};