Re: [gentoo-user] error compiling kernel: watchdog missing?

[Jarry]

On 01-Jul-12 20:13, Paul Hartman wrote:
>> --------------------------------------------
>>    CC      arch/x86/kernel/process_64.o
>>    CC      arch/x86/kernel/signal.o
>>    AS      arch/x86/kernel/entry_64.o
>>    CC      arch/x86/kernel/traps.o
>> arch/x86/kernel/traps.c: In function âdefault_do_nmiâ:
>> arch/x86/kernel/traps.c:509:3: error: implicit declaration of function
>> ânmi_watchdog_tickâ
>> arch/x86/kernel/traps.c:512:3: error: implicit declaration of function
>> âdo_nmi_callbackâ
>> make[2]: *** [arch/x86/kernel/traps.o] Error 1
>> make[1]: *** [arch/x86/kernel] Error 2
>> make: *** [arch/x86] Error 2
>> --------------------------------------------
>
> I would backup your .config then run "make oldconfig", this should do
> some dependency checks on your configuration choices. Afterward you
> can diff the two files and see if anything has changed. Otherwise I

I tried it, but nothing changed (except for date/time of config file).

> would try "make clean" and start the build over in case it somehow
> became confused.

Still the same. I checked corresponding part of traps.c:
-----------------------------------------------
#ifndef CONFIG_LOCKUP_DETECTOR
                 /*
                  * Ok, so this is none of the documented NMI sources,
                  * so it must be the NMI watchdog.
                  */
                 if (nmi_watchdog_tick(regs, reason) +
                                 do_nmi_show_regs(regs, cpu))
                         return;
                 if (!do_nmi_callback(regs, cpu))
#endif /* !CONFIG_LOCKUP_DETECTOR */
-----------------------------------------------

Does this mean that if CONFIG_LOCKUP_DETECTOR is *not* set,
then this part of code is active? Then I'd better activate it.
The only problem is I can not find this option in config...

Jarry
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