CB_CL_ENTER_DEBUGGER
(void) callb_add(callout_debug_callb, 0, CB_CL_ENTER_DEBUGGER,
(void) callb_execute_class(CB_CL_ENTER_DEBUGGER, 0);
(void) callb_execute_class(CB_CL_ENTER_DEBUGGER, 1);
(void *)pbm_p, CB_CL_ENTER_DEBUGGER, "pci_debug_enter");