linux-kernel - Re: do_IRQ: 0.126 No irq handler for vector (irq -1)

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Date:	Mon, 20 Jul 2015 12:59:49 +0200
From:	Stefan Priebe - Profihost AG <s.priebe@...fihost.ag>
To:	Thomas Gleixner <tglx@...utronix.de>
CC:	x86@...nel.org, JBeulich@...e.com,
	LKML <linux-kernel@...r.kernel.org>,
	Sasha Levin <sasha.levin@...cle.com>,
	Jiang Liu <jiang.liu@...ux.intel.com>
Subject: Re: do_IRQ: 0.126 No irq handler for vector (irq -1)

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)
> 
> 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?

No it was always working before or at least i've never noticed a device
hang and such messages. It was vanilla 3.10.78.

>> All systems are Single E5 Xeons and I'm running irqbalance on them.
> 
> Does it stop if you disable irqbalance ?

Will try that today.

Stefan
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