Re: [debug patch] printk: Add a printk killswitch to robustify NMIwatchdog messages

[Arne Jansen]

On 05.06.2011 17:32, Ingo Molnar wrote:
> one more thing, could you please add this call:
>
> 	debug_show_all_locks();
>
> to after the WARN(), in watchdog.c?
>
> Please surround the whole printout portion by the
> spin_lock()/unlock() protection code i suggested, full-lock-state
> printouts are slow and other CPUs might start printing their NMI
> ticks ...
>
> With the all-locks-printed output we can double check what locks are
> held.

Hm, on first try:

INFO: lockdep is turned off.

Recompiling...

> Thanks,
>
> 	Ingo
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at  http://www.tux.org/lkml/

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/