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SubjectRe: do_IRQ: 0.126 No irq handler for vector (irq -1)
On Tue, 21 Jul 2015, Stefan Priebe wrote:
> Am 20.07.2015 um 12:53 schrieb Thomas Gleixner:
> > On Mon, 20 Jul 2015, Stefan Priebe - Profihost AG wrote:
> > > Hello list,
> > >
> > > i've 36 servers all running vanilla 3.18.18 kernel which have a very
> > > high disk and network load.
> > >
> > > Since a few days i encounter regular the following error messages and
> > > pretty often completely hanging disk i/o:
> > > [535040.439859] do_IRQ: 0.126 No irq handler for vector (irq -1)
> > >
> > > All systems are Single E5 Xeons and I'm running irqbalance on them.
> >
> > Does it stop if you disable irqbalance ?
>
> No. The machines still crash.

crash as in running into a BUG? Or is it just that disk I/O is stalled?

Can you please provide the full dmesg output of such a machine?

I'll cook up a debug patch for that against 3.18.18.

Thanks,

tglx


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