- bust_spinlocks(1);
- printk(KERN_ERR
- "NMI Watchdog detected LOCKUP on CPU%d,"
- " pc %08lx, registers:\n",
- cpu, regs->pc);
- show_registers(regs);
- printk("console shuts up ...\n");
- console_silent();
- spin_unlock(&watchdog_print_lock);
- bust_spinlocks(0);
+ watchdog_alert_counter[cpu]++;
+ if (watchdog_alert_counter[cpu] == 5 * watchdog_hz) {
+ spin_lock(&watchdog_print_lock);
+ /*
+ * We are in trouble anyway, lets at least try
+ * to get a message out.
+ */
+ bust_spinlocks(1);
+ printk(KERN_ERR
+ "NMI Watchdog detected LOCKUP on CPU%d,"
+ " pc %08lx, registers:\n",
+ cpu, regs->pc);
+#ifdef CONFIG_SMP
+ printk(KERN_ERR
+ "--- Register Dump (CPU%d) ---\n",
+ CPUID);
+#endif
+ show_registers(regs);
+#ifdef CONFIG_SMP
+ smp_nmi_call_function(watchdog_dump_register,
+ NULL, 1);
+#endif
+ printk(KERN_NOTICE "console shuts up ...\n");
+ console_silent();
+ spin_unlock(&watchdog_print_lock);
+ bust_spinlocks(0);