Cubieboard: Spurious interrupt detected

[Ian Lepore]

On Sat, 2014-09-06 at 20:20 +0400, Maxim V FIlimonov wrote:
> On Saturday 06 September 2014 01:43:23 Maxim V FIlimonov wrote:
> > And another problem: every now and then the kernel says something like that:
> > Sep  5 19:22:37  kernel: Spurious interrupt detected
> > Sep  5 19:22:37  kernel: Spurious interrupt detected
> > Sep  5 19:23:46  last message repeated 10 times
> > 
> > I've heard that FreeBSD happens to do that on ARM devices. What could be the
> > problem here?
> 
> A small detail: when I turn off SMP in the kernel config, the message 
> disappears, but everything becomes too slow to operate.

Post the output of 'vmstat -i' -- it sounds like maybe there's an
interrupt handler monopolizing the system, or a timer that's firing at
way too high a rate, or something like that.

-- Ian