Interrupt storm detected on "irq10:"; throttling interrupt source

[Jeremy Chadwick]

On Thu, Oct 16, 2008 at 03:23:33PM +0800, nazir wrote:
> On Thu, Oct 16, 2008 at 12:20 PM, Jeremy Chadwick <koitsu at freebsd.org> wrote:
> > On Wed, Oct 15, 2008 at 06:17:56PM -0700, mdh wrote:
> >> --- On Wed, 10/15/08, nazir <nazir.haron at gmail.com> wrote:
> >> > From: nazir <nazir.haron at gmail.com>
> >> > Subject: Interrupt storm detected on "irq10:"; throttling interrupt source
> >> > To: freebsd-questions at freebsd.org
> >> > Date: Wednesday, October 15, 2008, 8:44 PM
> >> > Hi,
> >> >
> >> > I'm getting these on my HP-DL165 AMD Quad Qore
> >> >
> >> > interrupt storm detected on "irq10:"; throttling
> >> > interrupt source
> >>
> >> What is on IRQ 10?  You can determine this via the command:
> >> `dmesg |grep irq` then look for the line for IRQ 10 which specifies what device is there.  It could be a driver problem, or it could be that the hardware there is bunk.
> >> - mdh
> >
> > vmstat -i output would also come in handy here.
> 
> # vmstat -i
> interrupt                          total       rate
> irq1: atkbd0                          30          0
> irq10: ohci0 ohci+               8265418        989
> irq33: mpt0                        49348          5
> irq40: bge0                        75482          9
> cpu0: timer                     16431874       1968
> cpu2: timer                     16424530       1967
> cpu3: timer                     16424557       1967
> cpu1: timer                     16424557       1967
> cpu4: timer                     16424556       1967
> cpu6: timer                     16424540       1967
> cpu7: timer                     16424521       1967
> cpu5: timer                     16424556       1967
> Total                          139793969      16743

Can you provide full output of "dmesg"?  It appears you have an OCHI USB
controller that is going crazy with interrupts, but there may be
more devices attached to IRQ 10 which could be responsible (I think
that's what the "+" indicates).

-- 
| Jeremy Chadwick                                jdc at parodius.com |
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| UNIX Systems Administrator                  Mountain View, CA, USA |
| Making life hard for others since 1977.              PGP: 4BD6C0CB |