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)
Did this happen right after you updated to 3.18.18?
Which kernel version were you using before that?
Have you observed such error messages before the update?
> All systems are Single E5 Xeons and I'm running irqbalance on them.
Does it stop if you disable irqbalance ?
Thanks,
tglx
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