From: Sébastien Bernard <seb@xxxxxxxxx>
Date: Mon, 07 Sep 2009 18:53:15 +0200
> David Miller a écrit :
>> [great explanation snipped]
>> --- a/arch/sparc/kernel/nmi.c
>> +++ b/arch/sparc/kernel/nmi.c
>> @@ -103,7 +103,7 @@ notrace __kprobes void perfctr_irq(int irq, struct
>> pt_regs *regs)
>> }
>> if (!touched && __get_cpu_var(last_irq_sum) == sum) {
>> local_inc(&__get_cpu_var(alert_counter));
>> - if (local_read(&__get_cpu_var(alert_counter)) == 5 * nmi_hz)
>> + if (local_read(&__get_cpu_var(alert_counter)) == 30 * nmi_hz)
>> die_nmi("BUG: NMI Watchdog detected LOCKUP",
>> regs, panic_on_timeout);
>> } else {
>>
>
> Hum, I tested today, and no, it does not solve the problem. Kernel is
> still hanging at the same place.
> I'll get the initcall debug back when I'll have rebuild a kernel
> withtou the config_prom_console.
Then what bug are you talking about?
You stated that disabling the NMI watchdog completely solves your
problem right? That's why I mentioned the above patch to you?
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