Date: Sat, 06 Sep 2014 20:52:53 +0400 From: Maxim V FIlimonov <che@bein.link> To: Ian Lepore <ian@freebsd.org> Cc: freebsd-arm@freebsd.org Subject: Re: Cubieboard: Spurious interrupt detected Message-ID: <2229212.jhyveZzD6x@quad> In-Reply-To: <1410022037.1150.360.camel@revolution.hippie.lan> References: <2279481.3MX4OEDuCl@quad> <42729580.BghYiSHhz3@quad> <1410022037.1150.360.camel@revolution.hippie.lan>
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On Saturday 06 September 2014 10:47:17 Ian Lepore wrote: > 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. Here it is: root@cubie:~ # vmstat -i interrupt total rate irq0: ipi 10968 15 irq3: ipi 293 0 irq6: ipi 786 1 irq33: uart0 217 0 irq54: a10_timer0 1629 2 irq71: ehci0 5791 8 irq87: emac0 308 0 Total 19992 28 -- wbr, Maxim Filimonov che@bein.linkhome | help
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